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ELEN [110]
3 years ago
10

If Jeremy is in the 90th percentile in the main office test scores is 180 with a standard deviation of 15 which of the following

scores with Jeremy most likely get on a standardized test 249, 180, 199, or 210?
Mathematics
1 answer:
Alika [10]3 years ago
4 0
199. 

the z score for the 90th percentile is 1.28, so you can solve the equation

\frac{x-180}{15} = 1.28

which gets you the 199
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Identify the volume of a cone with base area 64π m2 and a height 4 m less than 3 times the radius, rounded to the nearest tenth.
melomori [17]
V=basearea times 1/3 times height
basearea=6<span>4π m2
hmm, they try to make it difficult

basearea=circle=pir^2
pir^2=64pi
divide by pi
r^2=64
sqrt
r=9

h is 4 les than 3 time r
h=-4+3(8)
h=-4+24
h=20

v=1/3*64pi*20=1280pi/3 m^3=1350.4

C
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3 years ago
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AleksAgata [21]

Answer:

B

Step-by-step explanation:

It is B because every number, x, you plug in 5x-3, it is y.

6 0
3 years ago
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Leah ran the track 8 times. She ran a total of 2,000 meters. How many meters equals 1 lap?
Vikki [24]

Answer:

250m

Step-by-step explanation:

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5 0
3 years ago
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balandron [24]

Answer:

This number line show the inequality x > 2

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3 years ago
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weeeeeb [17]
For the rectangle: l x w = Area
l = 18
w = 18

18 x 18 = 324

If 16m is for dash line

1/2bh
1/2(16)(16)
4(16) = 64

1/2bh
1/2(8)16
8(8) = 64

324 + 64 + 64 = 452

Your area should be 452m²

hope this helps
4 0
3 years ago
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