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3 years ago

Help me plsssssssssssss

Mathematics

2 answers:

musickatia [10]3 years ago

7 0

I believe the answer is 42.5

LenKa [72]3 years ago

6 0

the answer is:

42.5

......

i commented the explanation in my answer

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Is x a solution to 80<-9x+8

saveliy_v [14]

Answers: $x$

1. Switch sides

$-9x+8>80$

2. Subtract by 8 from both sides of equation.

$-9x+8-8>80-8$

3. Simplify.

$-9x>72$

4. Multiply by -1 from both sides of equation. (it's should be the reverse inequality).

$(-9x)(-1)$

5. Simplify.

$9x$

6. Then you had to divide by 9 from both sides of equation.

$\frac{9x}{9}< \frac{-72}{9}$

7. Simplify.

$\frac{9x}{9}=x$

8. Divide by the numbers.

$\frac{9}{9}=1$

$=x$

$\frac{-72}{9}=-8$

9. Divide by the numbers.

$\frac{72}{9}=8$

$=-8$

$x$

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3 0

3 years ago

I WOULD LOVE IF SOMEONE CAN ANSWER THIS QUESTION FOR ME!

postnew [5]

Answer:

32 cm^3

Step-by-step explanation:

The cube is 4 across by 4 high by 2 wide

4*4*2 = 32 cm^3

7 0

3 years ago

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What is the surface area of the rectangular prism

anastassius [24]

340 you were right

Step-by-step explanation:

3 0

3 years ago

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Can someone help me with this please

makvit [3.9K]

Rise over run
mx+b
1/3x-1

6 0

3 years ago

Subject : Maths Level : High school Topic : Surds Points : 72

Mila [183]

Answer:

a = 5

Step-by-step explanation:

Simplify:

√5(√8 + √18) =
√5*8 + √5*18 =
√40 + √90 =
√4*10 + √9*10 =
2√10 + 3√10 =
(2 + 3)√10 =
5√10

The value of a:

a√10 = 5√10
a = 5

6 0

3 years ago

Help me plsssssssssssss​

Help me plsssssssssssss