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xeze [42]
2 years ago
8

I need to know how to do this I forgot please help.

Mathematics
1 answer:
Damm [24]2 years ago
4 0

Answer:

20 units

Step-by-step explanation:

calculating volume of a rectangular prism is done by multiplying length x width x height. the prism is 5 units tall, 2 units wide, and 2 units long (or deep), so you multiply 5x2x2 to get twenty

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Find the value of y.
snow_tiger [21]

Answer:

  y = √55

Step-by-step explanation:

All the triangles are similar, so the ratio of short side to hypotenuse is the same for all:

  5/y = y/(5+6)

  y^2 = 55

  y = √55

_____

<em>Comment on the geometry</em>

There are three "geometric mean" relationships that apply to this geometry.

  1. the altitude BD is the geometric mean of BC and BA (√30)
  2. the long side of the large triangle is the geometric mean of the longer segment of the hypotenuse and the whole hypotenuse (x = √66)
  3. the short side of the large triangle is the geometric mean of the shorter segment of the hypotenuse and the whole hypotenuse (y = √55)

If you were aware of the last of these relationships, you could write down the answer without any "work."

  y = √(5(5 +6)) = √55

__

The geometric mean is the n-th root of the product of n numbers. When there are 2 numbers, it is the square root of their product.

4 0
3 years ago
Round 17.62114537 to the nearest tenth
harina [27]

Answer:

17.6

Step-by-step explanation:  Rounded to the nearest 0.1 or

the Tenths Place.

7 0
3 years ago
Write the fraction or mixed number as a decimal. Use bar notation if the decimal is a repeating decimal: 4 1/2
enyata [817]

4.5 because 1/2 equals .5 and 4 equals for

4 0
3 years ago
Determine which figures are congruent to Figure A. Follow the steps given as you investigate each shape. • Make a conjecture abo
Tcecarenko [31]

Answer: I think Figure D and A are congruent

Step-by-step explanation: Remember: congruent means the same (in geometry) so if im wrong. Then you could figure out for yourself which ones look the same. Good luck

7 0
2 years ago
The total cost of a sweater and a jacket was $71.55. If the price of the sweater was $3.19
Andrej [43]

Answer:

The cost of the sweater is $37.37

Step-by-step explanation:

71.55-3.19=68.36

68.36 ÷ 2=34.18

34.18+3.19=37.37

6 0
3 years ago
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