PLZ HELP ME ILL MARK BRAINKEIST

Mathematics

1 answer:

GuDViN [60]2 years ago

4 0

Answer:

I, personally, would assume A, or 80°

Step-by-step explanation:

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(a-1) a2-b2/1-ab+2(a-b)/2b a=2, b=-1

denis-greek [22]

I hope this helps you

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3 years ago

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Carla earns $13 an hour cleaning house. How much will she earn if she works from 8:00 to 2:00?

Andreyy89

8pm to 2am, or 8am to 2pm, either way, Carla would've worked for 6 hours.

6*$13=$78

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Carla would earn $78 if she were to clean for 6 hours.

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2 years ago

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A gym floor has a perimeter of 615 feet What is the perimeter of the floor in yards?

bogdanovich [222]

Answer:

205 yards

Step-by-step explanation:

One yard is 3 feet

Divide 615 feet by 3 to get 205

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3 years ago

Simplify 14^15 over 14^5

enyata [817]

14^10. Minus the powers 15 - 10

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3 years ago

A cellular family phone plan cost $49 per minute plus five cents per minute of long distance service. Write an equation for the

miskamm [114]

The equation for monthly payment is b = 49.05M.

SOLUTION:

Given, a cellular family phone plan cost $49 per minute plus five cents per minute of long distance service. We have to write an equation for the monthly payment b when M minutes of long distance service are used.

Now, given that,

$\begin{array}{l}{\text { Monthly payment = } \$ 49 \text { per minute plus five cents per minute of long distance }} \\\\ {\Rightarrow \$ 49 \times \text { number of minutes }+\$ 0.05 \times \text { number of minutes of long distance }} \\\\ {\Rightarrow \mathrm{b}=49 \times \mathrm{M}+0.05 \times \mathrm{M} \rightarrow \mathrm{b}=49 \mathrm{M}+0.05 \mathrm{M} \rightarrow \mathrm{b}=49.05 \mathrm{M}}\end{array}$

Equation:

An equation is a statement that the values of two mathematical expressions are equal (indicated by the sign =)

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3 years ago