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VMariaS [17]
3 years ago
9

What is the value of this expression when c=-4 and d=10? 1/4 (c^3+d^2)

Mathematics
1 answer:
nydimaria [60]3 years ago
6 0

Answer:

9

Step-by-step explanation:

plug in the values.

1/4 ( -4^3 + 10^2)

-4^3 = -64

10^2=100

-64+100=36

1/4 (36)

9

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2. The electrical resistance R of a wire varies inversely with the square of its diameter d. If a wire with a
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Answer:

0.225 \Omega =225 m\Omega

Step-by-step explanation:

We know (Ohm second law) that R= \frac{k}{d^2} where k inlcudes the rest of the parameters (material, lenght). In our situation we have k= 0.4\cdot9 \Omega mm^2. The moment the diameter becomes 8mm R becomes

R= {{0.4\cdot 9}\over{16}} \Omega = 0.225 \Omega

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3 years ago
Do the write a relation as a set of five ordered pairs then express the relation using a:
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Answer:

Step-by-step explanation:

Table

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4 0
2 years ago
Given deductions for this week: federal tax $61.34, FICA $52.05, and state $7.92 what is the annual federal tax deduction?
stealth61 [152]

Given the weekly deductions raised, the annual Federal Tax deduction is $ 3,189.68.

Given that the deductions for the week were: Federal Tax $ 61.34, FICA $ 52.05, and State $ 7.92; To determine what is the annual Federal Tax deduction, the following calculation must be performed:

The weekly deduction must be multiplied by the number of weeks that a year has, to obtain the final amount of taxes.

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Therefore, the annual Federal Tax deduction is $ 3,189.68.

Learn more in brainly.com/question/25225323

8 0
2 years ago
A flat surface continuing in all directions is a____.
Andrews [41]
I believe that a flat surface continuing in all directions is called a plane.
4 0
3 years ago
Please help due Friday
AveGali [126]

Answer:

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8 0
3 years ago
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