welcome to the 2015 alabama school of fine arts math ...a rectangle has a width of 46 cm. its area...
TRANSCRIPT
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Welcome to the 2015 Alabama School of Fine Arts Math Tournament!
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• Silence all electronic devices at this time.• Respect cipherers by remaining quiet during
ciphering rounds
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• Two minutes per question• Correct in 1st minute = five (5) points• Correct in 2nd minute = two (2) points.
• Five-second warning given before end of each time interval• Do not put your paper in the air until the warning is called.
• If you do not have your hand in the air before that time interval changes, you will not have your paper taken up.
• Runners are behind you to collect papers.• They will wait until the time interval has expired before collecting your paper.
• If you did not get your answer before the first time interval expires, please keep working. • ALL ANSWERS MUST BE WRITTEN IN THE ANSWER BOX ON YOUR ANSWER SHEET.
• CORRECT ANSWERS NOT IN THE ANSWER BOX WILL NOT BE COUNTED. • No units except for money (dollars and cents signs).
• However, if an incorrect unit is included in your answer, the answer will be marked wrong. • Reduce fractions
• Proper or improper• Mixed numbers
• Questions with percents as a solution should be written as a percent and not as the fraction or decimal equivalent.
• Leave π in your answers unless the problem tells you to substitute a value for π. • No radicals in the denominator when in fractional form• No fractions under a radical. • All radicals must be simplified.• All answers must be simplified,
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Please send round 1
cipherers.
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2:001:591:581:571:561:551:541:531:521:511:501:491:481:471:461:451:441:431:421:411:401:391:381:371:361:351:341:331:321:311:301:291:281:271:261:251:241:231:221:211:201:191:181:171:161:151:141:131:121:111:101:091:081:071:061:051:041:031:021:011:000:590:580:570:560:550:540:530:520:510:500:490:480:470:460:450:440:430:420:410:400:390:380:370:360:350:340:330:320:310:300:290:280:270:260:250:240:230:220:210:200:190:180:170:160:150:140:130:120:110:100:090:080:070:060:050:040:030:020:01End
If you throw a standard 6 sided die, what is the
probability of rolling a 6?
6th
GRAD
EGE
OMET
RY
In tessellations, the sum of the interior angles at a point where several polygons meet
is _____.
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166th G
RADE
GEOM
ETRY 360°
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2:001:591:581:571:561:551:541:531:521:511:501:491:481:471:461:451:441:431:421:411:401:391:381:371:361:351:341:331:321:311:301:291:281:271:261:251:241:231:221:211:201:191:181:171:161:151:141:131:121:111:101:091:081:071:061:051:041:031:021:011:000:590:580:570:560:550:540:530:520:510:500:490:480:470:460:450:440:430:420:410:400:390:380:370:360:350:340:330:320:310:300:290:280:270:260:250:240:230:220:210:200:190:180:170:160:150:140:130:120:110:100:090:080:070:060:050:040:030:020:01End
How many 2-digit prime numbers have a 1 in the unit’s
place?
6th
GRAD
EGE
OMET
RY
The side of the largest square in the diagram is 4 5. Assuming that each smaller square is created using the midpoints of the sides of each larger square, calculate the area of the shaded region. Express your answer in
decimal form.
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5
52.5
6th
GRAD
EGE
OMET
RY
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2:001:591:581:571:561:551:541:531:521:511:501:491:481:471:461:451:441:431:421:411:401:391:381:371:361:351:341:331:321:311:301:291:281:271:261:251:241:231:221:211:201:191:181:171:161:151:141:131:121:111:101:091:081:071:061:051:041:031:021:011:000:590:580:570:560:550:540:530:520:510:500:490:480:470:460:450:440:430:420:410:400:390:380:370:360:350:340:330:320:310:300:290:280:270:260:250:240:230:220:210:200:190:180:170:160:150:140:130:120:110:100:090:080:070:060:050:040:030:020:01End
What is the next number in the sequence: 1, 31, 59, 85?
6th
GRAD
EGE
OMET
RY
A square is inscribed in a circle with radius 5
2. Find the area of
the region outside of the square but inside of the circle.
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109
5𝜋𝜋 − 104
6th
GRAD
EGE
OMET
RY
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2:001:591:581:571:561:551:541:531:521:511:501:491:481:471:461:451:441:431:421:411:401:391:381:371:361:351:341:331:321:311:301:291:281:271:261:251:241:231:221:211:201:191:181:171:161:151:141:131:121:111:101:091:081:071:061:051:041:031:021:011:000:590:580:570:560:550:540:530:520:510:500:490:480:470:460:450:440:430:420:410:400:390:380:370:360:350:340:330:320:310:300:290:280:270:260:250:240:230:220:210:200:190:180:170:160:150:140:130:120:110:100:090:080:070:060:050:040:030:020:01End
A rectangle has a width of 46 cm. Its area is 92 cm2. Find the
perimeter.
6th
GRAD
EGE
OMET
RY
Find the area of the shaded circular segment if 𝑚𝑚𝑚𝑚𝑚𝑚𝑚𝑚𝑚 = 120° and the radius
of ⨀𝑚𝑚 = 12.
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96 𝑜𝑜𝑜𝑜 96𝑐𝑐𝑚𝑚6t
h GR
ADE
GEOM
ETRY 48𝜋𝜋 − 36 3
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2:001:591:581:571:561:551:541:531:521:511:501:491:481:471:461:451:441:431:421:411:401:391:381:371:361:351:341:331:321:311:301:291:281:271:261:251:241:231:221:211:201:191:181:171:161:151:141:131:121:111:101:091:081:071:061:051:041:031:021:011:000:590:580:570:560:550:540:530:520:510:500:490:480:470:460:450:440:430:420:410:400:390:380:370:360:350:340:330:320:310:300:290:280:270:260:250:240:230:220:210:200:190:180:170:160:150:140:130:120:110:100:090:080:070:060:050:040:030:020:01End
Juan has 5 shirts, 3 pants, 3 pairs of dress shoes, and 2 pairs of tennis shoes. How many different combinations of outfits can he make if an outfit consists of 1 shirt, 1 pair of pants,
and 1 pair of shoes? 6th
GRAD
EGE
OMET
RY
You are given the sides of a scalene triangle to be 6, 8, and 4. Let 𝑚𝑚 be the
area of the triangle, and 𝑚𝑚 be the sum of 𝑚𝑚 and the perimeter of the triangle. Find
𝑚𝑚 + 𝑚𝑚 in simplest form.
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756t
h GR
ADE
GEOM
ETRY
6 15 + 18
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2:001:591:581:571:561:551:541:531:521:511:501:491:481:471:461:451:441:431:421:411:401:391:381:371:361:351:341:331:321:311:301:291:281:271:261:251:241:231:221:211:201:191:181:171:161:151:141:131:121:111:101:091:081:071:061:051:041:031:021:011:000:590:580:570:560:550:540:530:520:510:500:490:480:470:460:450:440:430:420:410:400:390:380:370:360:350:340:330:320:310:300:290:280:270:260:250:240:230:220:210:200:190:180:170:160:150:140:130:120:110:100:090:080:070:060:050:040:030:020:01End
Half of 60% of what number is 6?
6th
GRAD
EGE
OMET
RY
Find the ratio of the volume of a sphere to the volume of a cube
inscribed inside of that same sphere if the space diagonal of the cube is
18.
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20
𝜋𝜋 32
6th
GRAD
EGE
OMET
RY
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Please send round 2
cipherers.
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2:001:591:581:571:561:551:541:531:521:511:501:491:481:471:461:451:441:431:421:411:401:391:381:371:361:351:341:331:321:311:301:291:281:271:261:251:241:231:221:211:201:191:181:171:161:151:141:131:121:111:101:091:081:071:061:051:041:031:021:011:000:590:580:570:560:550:540:530:520:510:500:490:480:470:460:450:440:430:420:410:400:390:380:370:360:350:340:330:320:310:300:290:280:270:260:250:240:230:220:210:200:190:180:170:160:150:140:130:120:110:100:090:080:070:060:050:040:030:020:01End
Katlin saves a quarter a day, but spends a dollar a week. How much
money does she have after 4 weeks?
6th
GRAD
EGE
OMET
RY
A triangle has perimeter of 68. The length of one side is twice the length of the
smallest side. The remaining edge is 5 greater than twice the smallest side. Find the length of the longest side in improper
fraction form.
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$3
1515
6th
GRAD
EGE
OMET
RY
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2:001:591:581:571:561:551:541:531:521:511:501:491:481:471:461:451:441:431:421:411:401:391:381:371:361:351:341:331:321:311:301:291:281:271:261:251:241:231:221:211:201:191:181:171:161:151:141:131:121:111:101:091:081:071:061:051:041:031:021:011:000:590:580:570:560:550:540:530:520:510:500:490:480:470:460:450:440:430:420:410:400:390:380:370:360:350:340:330:320:310:300:290:280:270:260:250:240:230:220:210:200:190:180:170:160:150:140:130:120:110:100:090:080:070:060:050:040:030:020:01End
6th
GRAD
EGE
OMET
RY
𝑃𝑃𝑃𝑃 is the diameter of ⨀𝑚𝑚. 𝑀𝑀𝑀𝑀is tangent to ⨀𝑚𝑚 at point 𝑃𝑃. The
measure of angle 𝑚𝑚𝑃𝑃𝑀𝑀 is 32.7°. Find the measure of angle 𝑚𝑚𝑚𝑚𝑃𝑃 in
degrees.
O
L
P
C
A
B
M N
The Grinch steals presents at a rate of 5 presents per minute.
How many presents can he steal in 2.5 hours?
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750
114.6°
6th
GRAD
EGE
OMET
RY
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2:001:591:581:571:561:551:541:531:521:511:501:491:481:471:461:451:441:431:421:411:401:391:381:371:361:351:341:331:321:311:301:291:281:271:261:251:241:231:221:211:201:191:181:171:161:151:141:131:121:111:101:091:081:071:061:051:041:031:021:011:000:590:580:570:560:550:540:530:520:510:500:490:480:470:460:450:440:430:420:410:400:390:380:370:360:350:340:330:320:310:300:290:280:270:260:250:240:230:220:210:200:190:180:170:160:150:140:130:120:110:100:090:080:070:060:050:040:030:020:01End
Find the average of the first 5 composite numbers.
6th
GRAD
EGE
OMET
RY
What is the diameter of a circle if the circle’s area is equal to the area of a
triangle with an altitude of 4𝜋𝜋 and a base of 32?
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375
16
6th
GRAD
EGE
OMET
RY
-
2:001:591:581:571:561:551:541:531:521:511:501:491:481:471:461:451:441:431:421:411:401:391:381:371:361:351:341:331:321:311:301:291:281:271:261:251:241:231:221:211:201:191:181:171:161:151:141:131:121:111:101:091:081:071:061:051:041:031:021:011:000:590:580:570:560:550:540:530:520:510:500:490:480:470:460:450:440:430:420:410:400:390:380:370:360:350:340:330:320:310:300:290:280:270:260:250:240:230:220:210:200:190:180:170:160:150:140:130:120:110:100:090:080:070:060:050:040:030:020:01End
A machine makes 15 bottles per minute. How many bottles does the machine make in 1 1
3hour?
6th
GRAD
EGE
OMET
RY
Each corner of an inner square bisects the side of its outer
square. If the area of the innermost square in the diagram
is 15, what is the area of the outermost square?
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1,200
3840
6th
GRAD
EGE
OMET
RY
-
2:001:591:581:571:561:551:541:531:521:511:501:491:481:471:461:451:441:431:421:411:401:391:381:371:361:351:341:331:321:311:301:291:281:271:261:251:241:231:221:211:201:191:181:171:161:151:141:131:121:111:101:091:081:071:061:051:041:031:021:011:000:590:580:570:560:550:540:530:520:510:500:490:480:470:460:450:440:430:420:410:400:390:380:370:360:350:340:330:320:310:300:290:280:270:260:250:240:230:220:210:200:190:180:170:160:150:140:130:120:110:100:090:080:070:060:050:040:030:020:01End
(5 � 6 � (−3))(22(6) − 132)(4)(−3 � 20)(3)
6th
GRAD
EGE
OMET
RY
Find the number of diagonals of a regular
polygon with interior angle measures of 165°.
-
06t
h GR
ADE
GEOM
ETRY 252
-
Please send round 3
cipherers.
-
2:001:591:581:571:561:551:541:531:521:511:501:491:481:471:461:451:441:431:421:411:401:391:381:371:361:351:341:331:321:311:301:291:281:271:261:251:241:231:221:211:201:191:181:171:161:151:141:131:121:111:101:091:081:071:061:051:041:031:021:011:000:590:580:570:560:550:540:530:520:510:500:490:480:470:460:450:440:430:420:410:400:390:380:370:360:350:340:330:320:310:300:290:280:270:260:250:240:230:220:210:200:190:180:170:160:150:140:130:120:110:100:090:080:070:060:050:040:030:020:01End
Simplify:2𝑏𝑏𝑎𝑎3𝑐𝑐
6𝑛𝑛𝑛𝑛𝑜𝑜𝑎𝑎2𝑏𝑏2
6th
GRAD
EGE
OMET
RY
Six congruent spheres of maximum size are packed in a box with dimensions of 6, 9,
and 3 inches. What is the volume, in cubic inches, inside of the box but outside of the
spheres?
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𝑎𝑎𝑐𝑐3𝑛𝑛𝑛𝑛𝑜𝑜𝑏𝑏
162 − 27𝜋𝜋
6th
GRAD
EGE
OMET
RY
-
2:001:591:581:571:561:551:541:531:521:511:501:491:481:471:461:451:441:431:421:411:401:391:381:371:361:351:341:331:321:311:301:291:281:271:261:251:241:231:221:211:201:191:181:171:161:151:141:131:121:111:101:091:081:071:061:051:041:031:021:011:000:590:580:570:560:550:540:530:520:510:500:490:480:470:460:450:440:430:420:410:400:390:380:370:360:350:340:330:320:310:300:290:280:270:260:250:240:230:220:210:200:190:180:170:160:150:140:130:120:110:100:090:080:070:060:050:040:030:020:01End
Find x:
𝑥𝑥 = 12[6 8 102
123
24]
560
6th
GRAD
EGE
OMET
RY
Square ABCD and rectangle ALMN are shown on the diagram,
along with a circular arc with center B. Let M be any point on the quarter circle having radius of 41 and 𝑀𝑀𝑀𝑀 = 6. Find the area
of ALMN.
A B
CD
MN
L
-
10
2 114
6th
GRAD
EGE
OMET
RY
-
2:001:591:581:571:561:551:541:531:521:511:501:491:481:471:461:451:441:431:421:411:401:391:381:371:361:351:341:331:321:311:301:291:281:271:261:251:241:231:221:211:201:191:181:171:161:151:141:131:121:111:101:091:081:071:061:051:041:031:021:011:000:590:580:570:560:550:540:530:520:510:500:490:480:470:460:450:440:430:420:410:400:390:380:370:360:350:340:330:320:310:300:290:280:270:260:250:240:230:220:210:200:190:180:170:160:150:140:130:120:110:100:090:080:070:060:050:040:030:020:01End
If Vanessa is allowed 1.2 minutes to work each multiple choice question and 3.4 minutes to work each free response question, how many minutes is she allowed to complete a test with 7 multiple choice questions and 3 free response questions? 6t
h GR
ADE
GEOM
ETRY Find the area of a regular
hexagon inscribed inside of a circle with radius 1.
-
18.66t
h GR
ADE
GEOM
ETRY 3 3
2
-
2:001:591:581:571:561:551:541:531:521:511:501:491:481:471:461:451:441:431:421:411:401:391:381:371:361:351:341:331:321:311:301:291:281:271:261:251:241:231:221:211:201:191:181:171:161:151:141:131:121:111:101:091:081:071:061:051:041:031:021:011:000:590:580:570:560:550:540:530:520:510:500:490:480:470:460:450:440:430:420:410:400:390:380:370:360:350:340:330:320:310:300:290:280:270:260:250:240:230:220:210:200:190:180:170:160:150:140:130:120:110:100:090:080:070:060:050:040:030:020:01End
Suppose for a math tournament the first place trophies are 18 inches tall, the second place trophies are 16 inches tall, and the third place trophies are 14 inches tall. Suppose a particular math team manages to get 3 first place trophies, 3 second place trophies, and 3 third place trophies. How many inches in height of trophies did they win? 6t
h GR
ADE
GEOM
ETRY
The coordinates of the vertices of triangle ABC are A(56, 35), B(6, 6), and C(16, 16).
What is the length of median AM?A
B
CM
-
144 𝑜𝑜𝑜𝑜 144 𝑖𝑖𝑛𝑛𝑐𝑐𝑖𝑖𝑖𝑖𝑖6t
h GR
ADE
GEOM
ETRY 51
-
2:001:591:581:571:561:551:541:531:521:511:501:491:481:471:461:451:441:431:421:411:401:391:381:371:361:351:341:331:321:311:301:291:281:271:261:251:241:231:221:211:201:191:181:171:161:151:141:131:121:111:101:091:081:071:061:051:041:031:021:011:000:590:580:570:560:550:540:530:520:510:500:490:480:470:460:450:440:430:420:410:400:390:380:370:360:350:340:330:320:310:300:290:280:270:260:250:240:230:220:210:200:190:180:170:160:150:140:130:120:110:100:090:080:070:060:050:040:030:020:01End
Simplify the following:4(3−2)
6− 6 8−4 −2�11
6÷36th
GRAD
EGE
OMET
RY Find the altitude to side BC.
A
B C
15
98
-
10°6t
h GR
ADE
GEOM
ETRY 16 14
15
-
Please send round 4
cipherers.
-
2:001:591:581:571:561:551:541:531:521:511:501:491:481:471:461:451:441:431:421:411:401:391:381:371:361:351:341:331:321:311:301:291:281:271:261:251:241:231:221:211:201:191:181:171:161:151:141:131:121:111:101:091:081:071:061:051:041:031:021:011:000:590:580:570:560:550:540:530:520:510:500:490:480:470:460:450:440:430:420:410:400:390:380:370:360:350:340:330:320:310:300:290:280:270:260:250:240:230:220:210:200:190:180:170:160:150:140:130:120:110:100:090:080:070:060:050:040:030:020:01End
Diagonals of a polygon are interior line segments connecting non-adjacent vertices. How many distinct diagonals can be drawn within a hexagon? 6th
GRA
DEGE
OMET
RY
Three congruent circles are tangent as shown. Their centers lie on the same line 𝑃𝑃𝑃𝑃. Line 𝑃𝑃𝑃𝑃 is drawn from point P on the left circle and tangent to the right circle at point T. Find the ratio of the length of chord XY of the
middle of the circle to the length of the radius of the middle circle.
P Q
T
YX
-
9
85
6th
GRAD
EGE
OMET
RY
-
2:001:591:581:571:561:551:541:531:521:511:501:491:481:471:461:451:441:431:421:411:401:391:381:371:361:351:341:331:321:311:301:291:281:271:261:251:241:231:221:211:201:191:181:171:161:151:141:131:121:111:101:091:081:071:061:051:041:031:021:011:000:590:580:570:560:550:540:530:520:510:500:490:480:470:460:450:440:430:420:410:400:390:380:370:360:350:340:330:320:310:300:290:280:270:260:250:240:230:220:210:200:190:180:170:160:150:140:130:120:110:100:090:080:070:060:050:040:030:020:01End
Victor wants to buy a new ASFA sweatshirt. The sweatshirt is on sale for 75% off the original price of $16 before tax. If sales tax is 10%, how much will Victor spend on the sweatshirt?
6th
GRAD
EGE
OMET
RY
Two coplanar circles have radii of 17 and 34, and the distance between their centers is 36. Find the length of the
common external tangent of the two circles.
-
$4.40
1007
6th
GRAD
EGE
OMET
RY
-
2:001:591:581:571:561:551:541:531:521:511:501:491:481:471:461:451:441:431:421:411:401:391:381:371:361:351:341:331:321:311:301:291:281:271:261:251:241:231:221:211:201:191:181:171:161:151:141:131:121:111:101:091:081:071:061:051:041:031:021:011:000:590:580:570:560:550:540:530:520:510:500:490:480:470:460:450:440:430:420:410:400:390:380:370:360:350:340:330:320:310:300:290:280:270:260:250:240:230:220:210:200:190:180:170:160:150:140:130:120:110:100:090:080:070:060:050:040:030:020:01End
The hypotenuse of a right triangle is 13 cm. One leg is 12 cm. Find the area of the right triangle.6th
GRA
DEGE
OMET
RY
Square ABCD has a side length of 32. M and N are midpoints of sides AD and CD respectively. Fine the
area of triangle BMN.D
A B
C
M
N
-
𝑚𝑚 = 306t
h GR
ADE
GEOM
ETRY 384
-
2:001:591:581:571:561:551:541:531:521:511:501:491:481:471:461:451:441:431:421:411:401:391:381:371:361:351:341:331:321:311:301:291:281:271:261:251:241:231:221:211:201:191:181:171:161:151:141:131:121:111:101:091:081:071:061:051:041:031:021:011:000:590:580:570:560:550:540:530:520:510:500:490:480:470:460:450:440:430:420:410:400:390:380:370:360:350:340:330:320:310:300:290:280:270:260:250:240:230:220:210:200:190:180:170:160:150:140:130:120:110:100:090:080:070:060:050:040:030:020:01End
What is 30% of 135?6t
h GR
ADE
GEOM
ETRY
The area of the smaller base of a frustum of a right circular cone is 16𝜋𝜋, and the
height of the frustum is 3. If the diameter of the larger base of the frustum is 2 64,
what is the volume of the frustum?
-
40.5
112𝜋𝜋
6th
GRAD
EGE
OMET
RY
-
2:001:591:581:571:561:551:541:531:521:511:501:491:481:471:461:451:441:431:421:411:401:391:381:371:361:351:341:331:321:311:301:291:281:271:261:251:241:231:221:211:201:191:181:171:161:151:141:131:121:111:101:091:081:071:061:051:041:031:021:011:000:590:580:570:560:550:540:530:520:510:500:490:480:470:460:450:440:430:420:410:400:390:380:370:360:350:340:330:320:310:300:290:280:270:260:250:240:230:220:210:200:190:180:170:160:150:140:130:120:110:100:090:080:070:060:050:040:030:020:01End
Find the surface area of a cube with a side length of 6 inches? 6th
GRAD
EGE
OMET
RY Find the area of a square inscribed in a semicircle having a diameter of
10.
-
216 in26t
h GR
ADE
GEOM
ETRY
20
-
2:001:591:581:571:561:551:541:531:521:511:501:491:481:471:461:451:441:431:421:411:401:391:381:371:361:351:341:331:321:311:301:291:281:271:261:251:241:231:221:211:201:191:181:171:161:151:141:131:121:111:101:091:081:071:061:051:041:031:021:011:000:590:580:570:560:550:540:530:520:510:500:490:480:470:460:450:440:430:420:410:400:390:380:370:360:350:340:330:320:310:300:290:280:270:260:250:240:230:220:210:200:190:180:170:160:150:140:130:120:110:100:090:080:070:060:050:040:030:020:01End
Solve for x:−15𝑥𝑥 + 7 = 32
6th
GRAD
E
-
−1256t
h GR
ADE
-
2:001:591:581:571:561:551:541:531:521:511:501:491:481:471:461:451:441:431:421:411:401:391:381:371:361:351:341:331:321:311:301:291:281:271:261:251:241:231:221:211:201:191:181:171:161:151:141:131:121:111:101:091:081:071:061:051:041:031:021:011:000:590:580:570:560:550:540:530:520:510:500:490:480:470:460:450:440:430:420:410:400:390:380:370:360:350:340:330:320:310:300:290:280:270:260:250:240:230:220:210:200:190:180:170:160:150:140:130:120:110:100:090:080:070:060:050:040:030:020:01End
6th
GRAD
E Krishna and Jacob are both driving motorcycles to New York along the same route. If they start from the same location and Jacob leaves at 2:00PM with a constant speed of 72mph and Krishna leaves 20 minutes later at a constant speed of 75mph, how far ahead of Krishna is Jacob at 5:20 PM?
-
15 𝑚𝑚𝑖𝑖𝑚𝑚𝑖𝑖𝑖𝑖6t
h GR
ADE
-
2:001:591:581:571:561:551:541:531:521:511:501:491:481:471:461:451:441:431:421:411:401:391:381:371:361:351:341:331:321:311:301:291:281:271:261:251:241:231:221:211:201:191:181:171:161:151:141:131:121:111:101:091:081:071:061:051:041:031:021:011:000:590:580:570:560:550:540:530:520:510:500:490:480:470:460:450:440:430:420:410:400:390:380:370:360:350:340:330:320:310:300:290:280:270:260:250:240:230:220:210:200:190:180:170:160:150:140:130:120:110:100:090:080:070:060:050:040:030:020:01End
6th
GRAD
E Simplify the following expression:62 − 2 − 5 − 4 32 + 4 32 + 7 − 2 5 + 3
-
36 − 12 36t
h GR
ADE
-
2:001:591:581:571:561:551:541:531:521:511:501:491:481:471:461:451:441:431:421:411:401:391:381:371:361:351:341:331:321:311:301:291:281:271:261:251:241:231:221:211:201:191:181:171:161:151:141:131:121:111:101:091:081:071:061:051:041:031:021:011:000:590:580:570:560:550:540:530:520:510:500:490:480:470:460:450:440:430:420:410:400:390:380:370:360:350:340:330:320:310:300:290:280:270:260:250:240:230:220:210:200:190:180:170:160:150:140:130:120:110:100:090:080:070:060:050:040:030:020:01End
6th
GRAD
EPriya, Jasmin and Cordy go to their favorite Mexican restaurant. Priya gets queso and a drink for $5.50, Jasmin gets queso and taco for $7.50 and Cordy gets two tacos for $7.00. How much is a meal consisting of queso, a taco and a drink at their favorite Mexican restaurant?
-
$9.006t
h GR
ADE
-
2:001:591:581:571:561:551:541:531:521:511:501:491:481:471:461:451:441:431:421:411:401:391:381:371:361:351:341:331:321:311:301:291:281:271:261:251:241:231:221:211:201:191:181:171:161:151:141:131:121:111:101:091:081:071:061:051:041:031:021:011:000:590:580:570:560:550:540:530:520:510:500:490:480:470:460:450:440:430:420:410:400:390:380:370:360:350:340:330:320:310:300:290:280:270:260:250:240:230:220:210:200:190:180:170:160:150:140:130:120:110:100:090:080:070:060:050:040:030:020:01End
6th
GRAD
E If x! denotes x(x-1)(x-2)(x-3)…(2)(1), the find 6!4!
2!3!5!.
-
126t
h GR
ADE
-
2:001:591:581:571:561:551:541:531:521:511:501:491:481:471:461:451:441:431:421:411:401:391:381:371:361:351:341:331:321:311:301:291:281:271:261:251:241:231:221:211:201:191:181:171:161:151:141:131:121:111:101:091:081:071:061:051:041:031:021:011:000:590:580:570:560:550:540:530:520:510:500:490:480:470:460:450:440:430:420:410:400:390:380:370:360:350:340:330:320:310:300:290:280:270:260:250:240:230:220:210:200:190:180:170:160:150:140:130:120:110:100:090:080:070:060:050:040:030:020:01End
What is the positive geometric mean between 53 and 123?
GEOM
ETRY
-
6519
GEOM
ETRY
-
2:001:591:581:571:561:551:541:531:521:511:501:491:481:471:461:451:441:431:421:411:401:391:381:371:361:351:341:331:321:311:301:291:281:271:261:251:241:231:221:211:201:191:181:171:161:151:141:131:121:111:101:091:081:071:061:051:041:031:021:011:000:590:580:570:560:550:540:530:520:510:500:490:480:470:460:450:440:430:420:410:400:390:380:370:360:350:340:330:320:310:300:290:280:270:260:250:240:230:220:210:200:190:180:170:160:150:140:130:120:110:100:090:080:070:060:050:040:030:020:01End
An octahedron has a side length of 5. Find its
volume.GEOME
TRY
-
GEOM
ETRY 125 2
3
-
2:001:591:581:571:561:551:541:531:521:511:501:491:481:471:461:451:441:431:421:411:401:391:381:371:361:351:341:331:321:311:301:291:281:271:261:251:241:231:221:211:201:191:181:171:161:151:141:131:121:111:101:091:081:071:061:051:041:031:021:011:000:590:580:570:560:550:540:530:520:510:500:490:480:470:460:450:440:430:420:410:400:390:380:370:360:350:340:330:320:310:300:290:280:270:260:250:240:230:220:210:200:190:180:170:160:150:140:130:120:110:100:090:080:070:060:050:040:030:020:01End
Find the smaller angle formed by the minute and
hour hands of a clock at 3:16.GE
OMET
RY
-
2°
GEOM
ETRY
-
2:001:591:581:571:561:551:541:531:521:511:501:491:481:471:461:451:441:431:421:411:401:391:381:371:361:351:341:331:321:311:301:291:281:271:261:251:241:231:221:211:201:191:181:171:161:151:141:131:121:111:101:091:081:071:061:051:041:031:021:011:000:590:580:570:560:550:540:530:520:510:500:490:480:470:460:450:440:430:420:410:400:390:380:370:360:350:340:330:320:310:300:290:280:270:260:250:240:230:220:210:200:190:180:170:160:150:140:130:120:110:100:090:080:070:060:050:040:030:020:01End
A person starts at (6, 3) moves up 1, right 5 and down 4. Find the line
between the initial point and final point in slope-intercept form.GE
OMET
RY
-
𝑦𝑦 =−35𝑥𝑥 +
335GEO
METR
Y
-
2:001:591:581:571:561:551:541:531:521:511:501:491:481:471:461:451:441:431:421:411:401:391:381:371:361:351:341:331:321:311:301:291:281:271:261:251:241:231:221:211:201:191:181:171:161:151:141:131:121:111:101:091:081:071:061:051:041:031:021:011:000:590:580:570:560:550:540:530:520:510:500:490:480:470:460:450:440:430:420:410:400:390:380:370:360:350:340:330:320:310:300:290:280:270:260:250:240:230:220:210:200:190:180:170:160:150:140:130:120:110:100:090:080:070:060:050:040:030:020:01End
Simplify completely: 117𝑥𝑥2 − 13
GEOM
ETRY
-
13(3𝑥𝑥 − 1)(3𝑥𝑥 + 1)
GEOM
ETRY
� Please sit 6th grade & Geometry ciphering in designated seatingPlease…Ciphering RulesSAMPLE PROBLEMSAMPLE PROBLEMSlide Number 6ANSWER�SAMPLE PROBLEMROUND 1PROBLEM 1ROUND 1PROBLEM 1Slide Number 10ANSWER�ROUND 1PROBLEM 1ROUND 1PROBLEM 2ROUND 1PROBLEM 2Slide Number 14ANSWER�ROUND 1PROBLEM 2ROUND 1PROBLEM 3ROUND 1PROBLEM 3Slide Number 18ANSWER�ROUND 1PROBLEM 3ROUND 1PROBLEM 4ROUND 1PROBLEM 4Slide Number 22ANSWER�ROUND 1PROBLEM 4ROUND 1PROBLEM 5ROUND 1PROBLEM 5Slide Number 26ANSWER�ROUND 1PROBLEM 5ROUND 2PROBLEM 1ROUND 2PROBLEM 1Slide Number 30ANSWER�ROUND 2PROBLEM 1ROUND 2PROBLEM 2ROUND 2PROBLEM 2Slide Number 34ANSWER�ROUND 2PROBLEM 2ROUND 2PROBLEM 3ROUND 2PROBLEM 3Slide Number 38ANSWER�ROUND 2PROBLEM 3ROUND 2PROBLEM 4ROUND 2PROBLEM 4Slide Number 42ANSWER�ROUND 2PROBLEM 4ROUND 2PROBLEM 5ROUND 2PROBLEM 5Slide Number 46ANSWER�ROUND 2PROBLEM 5ROUND 3PROBLEM 1ROUND 3PROBLEM 1Slide Number 50ANSWER�ROUND 3PROBLEM 1ROUND 3PROBLEM 2ROUND 3PROBLEM 2Slide Number 54ANSWER�ROUND 3PROBLEM 2ROUND 3PROBLEM 3ROUND 3PROBLEM 3Slide Number 58ANSWER�ROUND 3PROBLEM 3ROUND 3PROBLEM 4ROUND 3PROBLEM 4Slide Number 62ANSWER�ROUND 3PROBLEM 4ROUND 3PROBLEM 5ROUND 3PROBLEM 5Slide Number 66ANSWER�ROUND 3PROBLEM 5ROUND 4PROBLEM 1ROUND 4PROBLEM 1Slide Number 70ANSWER�ROUND 4PROBLEM 1ROUND 4PROBLEM 2ROUND 4PROBLEM 2Slide Number 74ANSWER�ROUND 4PROBLEM 2ROUND 4PROBLEM 3ROUND 4PROBLEM 3Slide Number 78ANSWER�ROUND 4PROBLEM 3ROUND 4PROBLEM 4ROUND 4PROBLEM 4Slide Number 82ANSWER�ROUND 4PROBLEM 4ROUND 4PROBLEM 5ROUND 4PROBLEM 5Slide Number 86ANSWER�ROUND 4PROBLEM 5Slide Number 88EXTRA QUESTION 1 – 6th GRADEEXTRA QUESTION 1 – 6th GRADESlide Number 91ANSWER�EXTRA QUESTION 1 – 6th GRADEEXTRA QUESTION 2 – 6th GRADEEXTRA QUESTION 2 – 6th GRADESlide Number 95ANSWER�EXTRA QUESTION 2 – 6th GRADEEXTRA QUESTION 3 – 6th GRADEEXTRA QUESTION 3 – 6th GRADESlide Number 99ANSWER�EXTRA QUESTION 3 – 6th GRADEEXTRA QUESTION 4 – 6th GRADEEXTRA QUESTION 4 – 6th GRADESlide Number 103ANSWER�EXTRA QUESTION 4 – 6th GRADEEXTRA QUESTION 5 – 6th GRADEEXTRA QUESTION 5 – 6th GRADESlide Number 107ANSWER�EXTRA QUESTION 5 – 6th GRADEEXTRA QUESTION 1 – GEOMETRYEXTRA QUESTION 1 – GEOMETRYSlide Number 111ANSWER�EXTRA QUESTION 1 – GEOMETRYEXTRA QUESTION 2 – GEOMETRYEXTRA QUESTION 2 – GEOMETRYSlide Number 115ANSWER�EXTRA QUESTION 2 – GEOMETRYEXTRA QUESTION 3 – GEOMETRYEXTRA QUESTION 3 – GEOMETRYSlide Number 119ANSWER�EXTRA QUESTION 3 – GEOMETRYEXTRA QUESTION 4 – GEOMETRYEXTRA QUESTION 4 – GEOMETRYSlide Number 123ANSWER�EXTRA QUESTION 4 – GEOMETRYEXTRA QUESTION 5 – GEOMETRYEXTRA QUESTION 5 – GEOMETRYSlide Number 127ANSWER�EXTRA QUESTION 5 – GEOMETRY