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disa [49]
2 years ago
8

Use order of operations: 3^2*5-(6+3)^2

Mathematics
2 answers:
Oduvanchick [21]2 years ago
8 0
The answer should be -36
Yuliya22 [10]2 years ago
4 0

Answer:

-36

Step-by-step explanation:

P - Parentheses

E - Exponents

M - Multiplication

D - Division

A - Addition

S - Subtraction

Sorry if this is wrong! Have a great day/night! <)

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the small intestine is about 23 feet long while the large intestine is only 5 feet long what is the ratio of the large intestine
ioda

Answer:

it's answer is 4:1

Because length of small intestine is 6 m and length of large intestine is 1•5m

So 6/1•5 =4:1

5 0
3 years ago
The difference between 3 times a number x and 2 is 19. What is the value of x?
Ber [7]

Answer:

the value of x is 7.

Step-by-step explanation:

2+19=21

21÷3=7

Check:

3×7=21

21-2=19

Therefore, 7 is the answer.

6 0
3 years ago
With a headwind, a plane traveled 390 mi in 1.5 h. Let x represent the plane’s speed (excluding wind speed) and let y represent
VMariaS [17]
The equation is ............... (it needed to be so many characters long)  
390/1.5 = x - y
5 0
3 years ago
<img src="https://tex.z-dn.net/?f=b%5E%7B2%7D%20%2B8b%2B7" id="TexFormula1" title="b^{2} +8b+7" alt="b^{2} +8b+7" align="absmidd
Ann [662]
The answer really depends on what b is. Unless you give me a number for what b equals I can’t solve it.
5 0
3 years ago
The length of a rectangle is 2 meters more than its width. The area of the rectangle is 80 square meters. What is the length and
insens350 [35]

Answer:

Step-by-step explanation:

Formula

A = L * W

Givens

W = W

L = W + 2

Solution

Area = L*W

Area = (W+2)*W = 80            Remove the brackets.

Area = W^2 + 2W = 80         Subtract 80 from both sides.

Area = w^2+2W-80=80-80  Combine

Area = w^2 +2W-80 = 0        Factor.

Area = (w+10)(w - 8) = 0

W + 10 = 0 won't work

W = - 10 which isn't possible

W- 8 = 0

W = 8

L = 8 + 2 = 10

The answer looks like A

8 0
3 years ago
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