MATHEMATICS COLLEGE

X/2 + 5= -8 what does x equal and show work

Answers

Answer 1

Answer:

Answer:

x = -26

Step-by-step explanation:

x/2 + 5 = -8

First let's combine like terms.

Subtract 5 from both sides.

x/2 = -13

Multiply both sides by 2 to isolate x.

x = -26

Plug this back into the original equation to check your answer.

-26/2 + 5 = -8

-13 + 5 = -8

-8 = -8

Your answer is correct.

Hope this helps!

Answer 2

Answer:

Answer:

x=-26

Step-by-step explanation:

x/2 + 5 = -8

x/2 + 5 - 5 = -8 - 5

x/2 = -13

x = -26

this is all of the work I did to solve what x is! I hope it helped! There are many other way to solve this problem. This is the way which a lot of ppl do.

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the area of the triangle is 2/5 square foot the height is 6/5 ft. what is the length in feet of the base of the triangle?

Answers

$\bf \textit{area of a triangle}\n\nA=\cfrac{1}{2}bh~~\begin{cases}A=(2)/(5)\n\nh=(6)/(5)\end{cases}\implies \cfrac{2}{5}=\cfrac{1}{2}\left( b\cdot \cfrac{6}{5} \right)\implies \cfrac{2}{5}=\cfrac{6b}{10}\n\n\n\cfrac{20}{5}=6b\implies \cfrac{20}{30}=b\implies \cfrac{2}{3}=b$

Carlos purchased an antique chair for $56.He later sold the chair for $68 to an antique
dealer. What was the percent markup of the
chair?

Answers

Answer:

about 22 percent

Step-by-step explanation:

A certain forest covers an area of 4200 km2 Suppose That each year decreases by 8%. Wha will the area be after 15 years

Answers

Depreciation formula:

Total = starting value x (1 - percentage)^time

Total = 4200 x (1-0.08)^15

Total = 4200 x 0.92^15

Total = 1202.449 km^2

Rounded to nearest km = 1202 km^2

According to CNN business partner Careerbuilder, the average starting salary for accounting graduates in 2018 was at least $57,413. Suppose that the American Society for Certified Public Accountants planned to test this claim by randomly sampling 200 accountants who graduated in 2018. State the appropriate null and alternative hypotheses.

Answers

Answer:

Null hypothesis: The American Society for Certified Public Accountants says the average starting salary of accountants who graduated in 2018 is $57,413

Alternate hypothesis: The American Society for Certified Public Accountants says the average starting salary of accountants who graduated in 2018 is less than or equal to $57,413

Step-by-step explanation:

A null hypothesis is a statement from a population parameter that is subject to testing. It is expressed with equality.

An alternate hypothesis is also a statement from the population parameter that negates the null hypothesis. It is expressed with inequality

Solve the following linear equation

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