3 years ago

Perimeter of a rectangle HELP!

Mathematics

1 answer:

alexdok [17]3 years ago

3 0

All I can say is that your equation is wrong

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Solve the following system of equations.<br> 5x+2y =-6<br> 3x-2y = 22

katen-ka-za [31]

Answer:

5x+2y =-6 ........1

3x-2y = 22 ........2

Add both Equations

we get

8x = 16

Divide both sides by 8

x = 2

Substitute x = 2 into any of the equations

3(2) - 2y = 22

-2y = 22 - 6

- 2y = 18

Divide both sides by -2

y = - 9

x = 2 y = - 9

Hope this helps

6 0

3 years ago

What is the product of 5.86 × 10–7 and 3.1 × 104 What is the value of n in the scientific notation of the product?

sveticcg [70]

the answer is -2 on edge your welcome

6 0

3 years ago

Read 2 more answers

at a hardware store, 5 gallons of paint and 5 paintbrushes cost $120, while 2 gallons of paint and 6 paintbrushes cost $64. Find

Katyanochek1 [597]

Well the answer is 9 for 1 paintbrush

7 0

2 years ago

I will give brainliest answer

adell [148]

Answer: A=351.68 cm²

Step-by-step explanation:

To find the area of the shaded region, we would subtract the area of the circle by the area of the inner circle.

Area of Circle

$A=\pi r^2$

$A=\pi (11)^2$

$A=121\pi$

Area of inner (white) circle

$A=\pi r^2$

$A=\pi (3)^2$

$A=9\pi$

Now that we have the area to the circle and inner circle, we would subtract to find the area of the shaded region.

$A=121\pi -9\pi$

$A=112\pi$

$A=351.68 cm^2$

3 0

3 years ago

Ben’s driving test had 40 questions and he correctly answered 12 more than he missed. How many questions did he miss?

k0ka [10]

Answer:

He missed 14 questions

Step-by-step explanation:

Total = Right + Miss ⇒ t = r + m

Right = Miss + 12 ⇒ r = m + 12

t = 40

Since t = r + m and r = m + 12 then:

t = m + 12 + m

t = 2m + 12

40 = 2m + 12

28 = 2m

m = 14

3 0

3 years ago