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4 years ago

Help, please!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

natulia [17]4 years ago

8 0

I'm not the greatest at math, but I believe that the length of the rectangle is x-2 and the width is 2x-5. It gave you the area, which is length times width, which means that (x-2)(2x-5)=56. Then you would have to distribute and subtract 56 from both sides. Are you learning about the quadratic formula right now? Because it would have to be used here if I'm doing this right. I could be wrong!

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How would you write twenty-one thousand six hundred fifty-six in standard form?

Basile [38]

Answer:

21,656 is the correct answer.

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3 years ago

Find the missing side length of the right triangle. show work.

motikmotik

Answer:

6.32

Step-by-step explanation:

To find the side length on a right angled triangle we follow The Pythagorean Theorem:

${a}^{2} + {b}^{2} = {c}^{2}$

c being the hypothesis (longest side: the hypotenuse is always opposite the right angle)

so..

${6}^{2} + {2}^{2} = {x}^{2} \\ 36 + 4 = {x}^{2} \\ 40 = {x}^{2} \\ \sqrt{40} = \sqrt{ {x}^{2} } \\$

$6.32 = x$

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2 years ago

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Answer:

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3 years ago

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Answer:

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3 years ago

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A rectangular prism has a length of 8 inches a width of 4 inches and a height of 2 1/4 inches. The prism is filled with cubes th

Sedaia [141]

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Number of 1/4 inches cubes length-wise:
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$4 \div \dfrac{1}{4}$

$=4 \times 4$

$=16$

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Number of 1/4 inch cubes width-wise:
-------------------------------------------------------------------------------------
$8 \div \dfrac{1}{4}$

$=8 \times 4$

$=32$

-------------------------------------------------------------------------------------
Number of 1/4 inch cubes height-wise:
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$2\dfrac{1}{4} \div \dfrac{1}{4}$

$=\dfrac{9}{4} \times \dfrac{4}{1}$

$=9$

-------------------------------------------------------------------------------------
Total number of 1/4 inch cubes:
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16 x 32 x 9 = 4608

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Answer: 4608 cubes are needed to fill the rectangular prism
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3 years ago

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