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Irina-Kira [14]
3 years ago
9

When x = 5, the value of the expression –2(x – 10) is

Mathematics
2 answers:
myrzilka [38]3 years ago
3 0
The answer is +10
- 2(x  - 10) \\  \\  - 2(5 - 10) =  - 2( - 5) =  + 10






good luck
dangina [55]3 years ago
3 0
The answer is + 10.
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How much money is one quarter five nickel three dimes
Rufina [12.5K]

Answer:

$.80 or 80¢

Step-by-step explanation:

US Coin Denominations are as follows:

Quarters: $.25

Dime: $.10

Nickel: $.05

Penny: $.01

We can now use the following

(1*25)+(5*5)+(3*10)=80

4 0
2 years ago
How to multiply 20x67?
Neporo4naja [7]

Answer:

do 20 times 67 and it will equal 1,340

Step-by-step explanation:

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8 0
3 years ago
Read 2 more answers
A company estimates that its cost and revenue can be modeled by the functions C)-0.75x+20,000
lisabon 2012 [21]

Let C(x) = -0.75x + 20,000 and R(x)= -1.50x then the profit function exists noted as P(x) = R(x) - C(x)

P(x) = -1.50x - (-0.75)x + 20,000

P(x)  = -0.75x + 20000

Therefore, the profit function exists -0.75x + 20000.

<h3>How to find profit function?</h3>

The profit function can be estimated by subtracting the cost function from the revenue function. Let profit be expressed as P(x), the revenue as R(x), the cost as C(x), and x as the number of items traded. Then the profit function exists noted as P(x) = R(x) - C(x).

Given:

C(x) = -0.75x+20,000 and R(x)= -1.50x

P(x) = R(x) - C(x)

= -1.50x - (-0.75)x + 20,000

= -1.50x + 0.75x + 20,000

Apply rule -(-a) = a

= -1.5x + 0.75x + 20000

Add similar elements:

-1.5 x + 0.75x = -0.75x

P(x)  = -0.75x + 20000

Therefore, the profit function exists -0.75x + 20000.

To learn more about profit function refer to:

brainly.com/question/16866047

#SPJ9

8 0
2 years ago
Need help step by step !
jek_recluse [69]
<span> In a </span>regular polygon <span>all </span>sides have the same<span> length, therefore:

x</span>² + 8x - 52 = x² - 2x + 8
x² - x² + 8x + 2x = 8 + 52
10x = 60
x = 60/10
x = 6
4 0
4 years ago
6 and 30 geometric mean
Ugo [173]

Answer:

The geometric mean of 6 and 30 is 13.416407864999

4 0
3 years ago
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