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2 years ago

The sum of 5.75 and half a number is -5. What is the number? Please help!

Mathematics

1 answer:

barxatty [35]2 years ago

4 0

Answer:

$5.75 + \frac{x}{2} = - 5 \\ \frac{x}{2} = - 5 - 5.75 \\ \frac{x}{2} = - 10.75 \\ x = - 21.5$

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SOMEBODY PLEASE HELP

Salsk061 [2.6K]

Answer:

$7562.50

Step-by-step explanation:

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3 years ago

Which values of a and b make the following equation true? a = 11, b = 7 a = 11, b = 10 a = 28, b = 7 a = 28, b = 10

xz_007 [3.2K]

Answer:

The answer is

Step-by-step explanation:

$( {5x}^{7} {y}^{2} )( { - 4x}^{4} {y}^{5} ) = - 20 {x}^{a} {y}^{b}$

Multiply the terms on the left side of the equation

That's

$- 20 {x}^{11} {y}^{7} = - 20 {x}^{a} {y}^{b}$

Since the bases are the same we can equate the exponents

That's

${x}^{11} = {x}^{a}$

a = 11

And

${y}^{7} = {y}^{b}$

b = 11

Therefore

a = 11 and b = 7

Hope this helps you

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2 years ago

Y=f(x)=(1/3)^x find f(x) when x=2

Sladkaya [172]

Answer:

f(2)=1/9

Step-by-step explanation:

f(x)=(1/3)^x

f(2)=(1/3)^(2)

f(2)=1/9

6 0

3 years ago

The formula to find the perimeter of a rectangle is: P = 2W + 2L. To solve for " W " in this formula, which steps should be foll

netineya [11]

Since the 2L is not being multiplied or divided, and it's positive, we will subtract it from both sides. Since the W is being multiplied by the 2, we'll also need to divide both sides by 2.

Your answer is B.
<em>
</em><em>Don't forget to rate this answer the Brainliest!</em>

3 0

2 years ago

Read 2 more answers

Please help, need answer fast!

AleksandrR [38]

The answer is
B. 13ab

5ab+9ab-ab
=(5ab+9ab)-ab
14ab-ab
=13ab

Hope it helped : )

3 0

2 years ago