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grandymaker [24]
3 years ago
10

Evaluate the expression when the value of the variable is given. 40 - 8x when x = 2

Mathematics
1 answer:
Ede4ka [16]3 years ago
4 0

Answer:

24

Step-by-step explanation:

To evaluate this, we just need to substitute 2 for whenever we see x.

40 - 8 (2)

From here, we can just use order of operations to simplify it down to a single number.

40 - 16

24

So, when x = 2, we get 24.

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Find the lengths of nails with the following penny sizes: 3, 6, and 10. The 3-penny nail is inches. the 6 penny is__ the 3 penny
stealth61 [152]

the lengths of nails with the following penny sizes: 3, 6, and 10

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  • A 6-penny nail is_2_inches.
  • A 10-penny nail is_3_inches.

This is further explained below.

<h3>What is the lengths of nails with the following penny sizes: 3, 6, and 10?</h3>

That is the equation solved for n.

The penny size is d, and n is the length of the nail, then:

if d = 3, we have:

n = (3 + 2)/4 = 5/4

if d = 6, then

n = (6 + 2)/4 = 2

if d = 10, then:

n = (10 + 2)/4 = 3

Thus:

A 3-penny nail is_5/4_inches.

A 6-penny nail is_2_inches.

A 10-penny nail is_3_inches.

if you want to learn more about linear equations:

brainly.com/question/1884491

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2 years ago
If (9 to the 2nd power)p = 9 to the 8th power , what is the value of p?
Novay_Z [31]

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Let E=IR be the formula for voltage in a circuit, where E = volts, I =
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Answer:

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Step-by-step explanation:

substitute the letters with numbers and solve:

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