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VikaD [51]
3 years ago
9

34 points -2[3x-(b+2x)+(x-3b)] plz show steps i'm stuck

Mathematics
1 answer:
natali 33 [55]3 years ago
5 0
First,multiply the -2 by everything in the brackets
so that's, -6x-(b-4x)+(x+6b)
then combine like terms
that's -6x-(7b-3x) which is
-3x-7b I believe
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A prism has a square base with a side length of 4 1 2 4 1 2 feet. The height of the prism is 6 feet. What is the volume of the p
dusya [7]

We have been given that a prism has a square base with a side length of 4 1/2 feet. The height of the prism is 6 feet. We are asked to find the volume of the prism.

We know that volume of prism is base area times height.

\text{Area of base}=\text{Area of square}=\text{Side length}^2

\text{Area of base}=(4\frac{1}{2})^2

\text{Area of base}=(\frac{9}{2})^2

\text{Area of base}=\frac{9^2}{2^2}

\text{Area of base}=\frac{81}{4}

\text{Volume of prism}=\frac{81}{4}\times 6

\text{Volume of prism}=\frac{81}{2}\times 3

\text{Volume of prism}=\frac{243}{2}

\text{Volume of prism}=121\frac{1}{2}

Therefore, the volume of prism is 121\frac{1}{2}\text{ ft}^3 and option D is the correct choice.

4 0
4 years ago
Evaluate 8a+3b-10+c^2when a =2,b=5,and c=4
trasher [3.6K]
8a+3b-10+c^2when a =2,b=5,and c=4:


(8)(2)+(3)(5)−10+42

=16+(3)(5)−10+42

=16+15−10+42

=31−10+42

=21+42

=21+16

=37


3 0
4 years ago
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What is negative seven twentieths plus negative two fifths?
padilas [110]
- 7/20 + -2/5 ? 16 / 20, I'm pretty sure
3 0
3 years ago
If x = -2 and y = 5, then x3y =
sergiy2304 [10]

Answer:

-30

Step-by-step explanation:

x*3y=(-2)*3(5)=-2*15=-30. Hope this helps!

3 0
4 years ago
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I WILL GIVE BRAINLIST IF ALL ANSWERED CORRECTLY
larisa86 [58]
Earthquakes can cause all of the above.

trigger other earthquakes - when there is a large magnitude earthquake it
lead to shake the earth's surface. Thus it can create more earthquakes on the same place or neighboring places.

cause billions of dollars - when there is a large disturbance it can destroy big buildings, homes, etc. Which is basically a billion dollar loss.

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7 0
3 years ago
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