2 years ago

For which value of x is the equation 3(x + 2) + x = 2x + 16 true?

Mathematics

1 answer:

denis23 [38]2 years ago

5 0

Answer:

X = 5

Step-by-step explanation:

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16) A company has found that its expenditure rate per day (in hundreds of dollars) on a certain type of job is given by E'(x) =

erastova [34]

Answer:

$61

Step-by-step explanation:

Given

Number of days, x = 5

Expenditure per day, E'(x) = 10x + 11

Required

Determine the expenditure per day (E'(x))

From the question, we have that

$E'(x) = 10x + 11$

Substitute 5 for x

$E'(5) = 10 * 5 + 11$

$E'(5) = 50 + 11$

$E'(5) = 61$

Hence, the expenditure for 5 days is $61

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2 years ago

What is the difference between a constant and a variable

denis-greek [22]

Answer:

A constant is a number that stays the same. A variable is number that doesn't remain the same.

7 0

2 years ago

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Nathaniel participated in an 18-mile race. He ran 1 2 mile in 1 6 hour. If he ran the entire race at the same pace, how long, in

Softa [21]

Answer:

24 hours

Step-by-step explanation:

set up a ratio:

12 miles = 16 hours

------------- ------------

18 miles = x hours

cross multiply

12m * x = 16h * 18 m

solve for x

x=16h * 18m / 12m = 24 hours

3 0

3 years ago

Nine raised to the five-minus-two power?

bonufazy [111]

Answer:

1. 9 raised to the third power is 729

2. 4 raised the the power of 1 is 1

Step-by-step explanation:

9*9= 81*9=729

4*1=4

8 0

3 years ago

S<br>solve for X<br>2x - Px = 5

maxonik [38]

Answer:

$2x - P = 5 \\ x(2 - P) = 5 \\ \boxed{x = \frac{5}{(2 - P)} }$

5 0

2 years ago