Evaluate each expression:18 - (7 - 7)

32 ÷ (8 - 4)

90 - 16 ÷ 4

3(18 - 12) - (5 - 3)

(24 - 10) - 3 × 3

4(22 - 18) - 3 × 5

12(5 - 5) + 3 × 5

18(4 - 3) ÷ 3 + 3

Answers

Answer 1

Answer: It looks like you gotta to PEMDAS

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40x8=. Tens x 8 =. Tens =

Answers

40x8=320

That’s all I can answer I’m not really sure I understand the rest of the question

What is the combined volume of 2 identical rectangular prisms with the dimension 7 cm x 9 cm x 3 cm?

Answers

$2\cdot7\cdot9\cdot3=378 \ cm^3$

7 * 9 * 3 * 3 = 378 :)

Can someone please help me, so confused?

Answers

Answer:

answer is b

Step-by-step explanation:

w=450

w=300+9n

450-300=150

9n=150

n=162/3

PLEASE ANSWER ASAP!!!! MUST BE CORRECT FOR POINTS GIVEN!!!!! THE QUESTION IS BELOW IN THE SCREENSHOT!!!!! VERY IMPORTANT!!!!!

Answers

The answer to your question is 0.091 because it is out 100 so 100 / 9.1 = 0.091.

Please help 1/7x-3 5/7 > 4/7x-5 6/7

Answers

$\frac { 1 }{ 7 } x-\left( 3+\frac { 5 }{ 7 } \right) >\frac { 4 }{ 7 } x-\left( 5+\frac { 6 }{ 7 } \right)$

$\n \n -\left( 3+\frac { 5 }{ 7 } \right) +\left( 5+\frac { 6 }{ 7 } \right) >\frac { 4 }{ 7 } x-\frac { 1 }{ 7 } x$

$\n \n -3-\frac { 5 }{ 7 } +5+\frac { 6 }{ 7 } >\frac { 3 }{ 7 } x\n \n 2+\frac { 1 }{ 7 } >\frac { 3 }{ 7 } x$

$\n \n \frac { 14 }{ 7 } +\frac { 1 }{ 7 } >\frac { 3 }{ 7 } x\n \n \frac { 15 }{ 7 } >\frac { 3 }{ 7 } x$

$\n \n \frac { 7 }{ 3 } \cdot \frac { 15 }{ 7 } >\frac { 3 }{ 7 } x\cdot \frac { 7 }{ 3 } \n \n \frac { 15 }{ 3 } >x\n \n \therefore \quad x<5$

Maria solved the area problem below. What was her error?(
1
2
) (25.5)(30) (
1
5
) = 76.5cm²

Maria solved the area problem below. What was her error?

She found the perimeter.
She forgot to square the scale factor.
She forgot to multiply by One-half for the area of the triangle.
She should have divided by the square of the scale factor.