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Bess [88]
4 years ago
14

Help! How do you do it?

Mathematics
1 answer:
Wittaler [7]4 years ago
4 0
Here you should add the like terms; so 6 + 3 = 9 and 5*(sq.root of 5) - 2*(sq.root of 5) = 3*(sq.root of 5), therefor the answer would be 3*(sq.root of 5) + 9

Remember that surds can be added or subtracted if the term underneath the square root sign is the same :)
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HIJK is a rectangle. Find the value of x and find the length of each diagonals. If hj=19+2x and ik=3x+22
viva [34]
Hj  and ik are  opposite sides of the rectangle so they areequal in length.

19 + 2x = 3x + 22
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x = -3 

We can't find the length of the diagonals as we have no information about the width.
8 0
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take a hiset math test need help refresh with my study guide.and refresh help calculator how to use a scientific one​
n200080 [17]

Answer:

B) 4,320

Step-by-step explanation:

You would first find the volume of the triangular prism using this formula:

V = 1/2 x A x C x H

A = 3 C = 6 H = 24

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Since there are 20 pounds of snow per cubic foot, you multiply the cubic feet (216) by the pounds of snow per cubic foot (20):

216 x 20 = 4,320 pounds

4 0
3 years ago
What is 30/40 converted into a percent
juin [17]

75%

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7 0
3 years ago
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Lyrx [107]
The answer should be a

7 0
3 years ago
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Can someone please help me ?????
ludmilkaskok [199]

Answer: 52

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