3 years ago

Simplify 5a+6a2+7a-4a2-9a

Mathematics

1 answer:

Mice21 [21]3 years ago

8 0

Answer:

2a to the second power + 3a

Step-by-step explanation:

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As sixth graders were entering Emerson middle school, there free supplies were being distributed. Every 5the sixth grader that e

jok3333 [9.3K]

52 received a pencil
17 received a notebook
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3 years ago

Roger wants to carpet a rectangular room with length of 8 3/4 feet and a width of 9 1/3 feet. If he has 85 square feet of carpet

Dima020 [189]

Answer:

12.66 $ft^2$

Step-by-step explanation:

Given the dimensions of the room are $8\frac{3}{4}$ = $\frac{31}{4}$ and $9\frac{1}{3}$ = $\frac{28}{3}$ .

The area of the room = $length*width$

Area= $\frac{31}{4} *\frac{28}{3}$

Area=72.33 $ft^2$

The area of the carpet=85 $ft^2$

The area of carpet left= Total area of carpet - the area of the room

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7 0

3 years ago

Any one that knows this please help thanks!

nignag [31]

You just need to plug the values: you have to multiply $x$ and $y^2$ , and then divide the result by -3.

So, if $y=2$ , we have $y^2=4$

Which means that $xy^2 = 5\cdot 4 = 20$

And the final answer is $\frac{20}{-3}$

3 0

3 years ago

Solve (−7) ⋅ (−4). a −28 b −11 c 28 d 11

german

-11 because first you add -4 and -7 because when you subtract negatives you add I hope I helped and have a good day

5 0

3 years ago

Read 2 more answers

In a certain apartment building the ratio of tenants to cars is 3:5. if there are 30 tenants, how many cars are there?

Fittoniya [83]

Answer:

I want to say 50 cars

Step-by-step explanation:

If i am correct, there are more cars than people overall:

tenants to cars

3:5

so when you have 30 tenants you can multiply the cars by ten because that is what you did on the other side.

6 0

3 years ago