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Vikki [24]
3 years ago
12

Need help asap

Mathematics
2 answers:
vlabodo [156]3 years ago
8 0

Answer:

7680

Step-by-step explanation:

16(24)20

7680

son4ous [18]3 years ago
8 0

V = 2,560 m^3

Step-by-step explanation:

The formula for the volume of a pyramid is...

V=\frac{1}{3}Bh

B is the area of the base, which in this case is a rectangle. We need to find the area of the rectangle to plug in for B.

The formula for the area of a rectangle is...

l*w

We can plug in the numbers.

16*24

= 384

Now that we have B, we can plug that into the volume formula along with the height.

V=\frac{1}{3}(384*20)

V=\frac{1}{3}*7,680

<u><em>V = 2,560 m^3</em></u>

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Step-by-step explanation:

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2 years ago
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Which of the following can be represented by the expression 2 ➗ (1/3)? a. Faye has 2 yards of twine and uses (1/3) yard to tie a
GREYUIT [131]

Answer: C. She is dividing the entire length into shorter lengths.

The rest of the question would be "How many pieces will she get?"

Step-by-step explanation:

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3 years ago
① 5J+2S =12.20 ② 5J+ 10S =15.80 elimination method
hram777 [196]

Answer:

<h2>S = 9/20</h2><h2>J = 113/50</h2>

Step-by-step explanation:

5J +2S =12.20 ........(1)\\5J+10S=15.80......(2)\\Multiply \:equation \:(1)\:by\:the\:coefficient\:of\:x\:in equation\:(2)\\\\Multiply\:equation(2)\: by\: the\: coefficient\:of \:x\: in \:equation (1)\\\\5J +2S =12.20 ........(1) \times 5\\5J+10S=15.80......(2)\times 5\\\\25J+10S=61......(3)\\25J+50S = 79......(4)\\Subtract\:equation\:(4)\:from\: equation\: (3)\\-40S =-18\\\frac{-40S}{-40}=\frac{-18}{-40}\\  S = 9/20\\

Substitute \:9/20\:for \:x \:in\:equation\:(1)\:or \:equation\:(2)\\5J+2S = 12.20\\5J +2(9/20) =12.20\\5J +9/10=12.20\\5J=12.20-9/10\\5J=113/10\\Cross-Multiply\\50J = 113\\J = 113/50

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