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Alja [10]
3 years ago
15

|a+3| ÷(a−3) , if a=−17 Please HELP

Mathematics
1 answer:
spin [16.1K]3 years ago
5 0

<u>Answer:</u>

-0.7

<u>Explanation:</u>

All you do is substitute x.

Add/Subtract from left to right.

|-17 + 3| / (-17 - 3)

Find the absolute value of |-14|.

|-14| / (-20)

Divide.

14 / (-20)

-0.7

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A pizza chef begins to spin a constant volume of dough to make a pie by spinning and tossing the dough into the air, such that t
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Answer:

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dh/dt  =  -  0,125 in/min

Step-by-step explanation:

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At = π*r²

a)  Tacking derivatives with respect to time:

dAt/dt  =  2* π*r * dr/dt

At   t  =  t₁      r  = 16 in     and  dr/dt =  0,5

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dAt/dt  =  2*3,14*16*0,5   in/min

a ) dAt/dt  =  50,24 in/min

b) The volume of the cylinder is:

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Tacking derivatives with respect to time

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But  dVc/dt  = 0  since the volume remains constant, then:

π*r²*dh/dt  = -  2* π*r*h*dr/dt

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4 0
3 years ago
How do banks use deposits?
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3 0
3 years ago
Read 2 more answers
This is hard I need help
Andreyy89

Answer:

  • 140.22 ft²

Step-by-step explanation:

Surface area is the sum of areas of 4 triangles.

<u>Each triangle has:</u>

  • b = 9 ft, h = 7.79 ft

<u>Area of each triangle:</u>

  • A = 1/2bh
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<u>Surface area:</u>

  • S = 4*35.055 = 140.22 ft²
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3 years ago
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