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Wewaii [24]
2 years ago
7

what is the volume of a box with the height of 3/2 inches and a length of 7/2 inches and a width of 5/2 inches

Mathematics
1 answer:
nadezda [96]2 years ago
8 0

Answer:

13.125 in³

Step-by-step explanation:

So first convert all the numbers to decimal form. 3/2 converts to 1.5. 7/2 converts to 3.5. 5/2 converts to 2.5.

Now for the actual math. Take 1.5×3.5=5.25. Then take your new number and multiply it by 2.5. 5.25×2.5=13.125.

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[x + 3y = -4] [2x + 6y = 5]
stealth61 [152]

Step-by-step explanation:

x+3y=-4(eqn1)

x=-4-3y

from (eqn 2)

2(-4-3y)+6y=5

-8-6y+6y=5

y=5+8=13.

y=13

from eqn 1

x+3(13)=-4

x+39=-4

x=-4-39

x=-43.

3 0
3 years ago
Triangle XYZ, XY= 80, ZY= 64 XZ= 48 what is the cosine
SVETLANKA909090 [29]

Answer:

cos=\frac{4}{5}

Step-by-step explanation:

Cosine is the adjacent side over the hypotenuse (You can remember sin, cos, and tan by using sohcahtoa or sin = opposite/hypotenuse, cos = adjacent/hypotenuse, tan = opposite over adjacent). I think a picture would help, too.

I attached a picture of what I think the triangle would look like.

If the picture is right (we're assuming it is) and going with what we're given (the triangle was addressed as triangle XYZ, meaning that <u>angle Y is in the middle and that's the one we'll use</u>).

Looking at my picture then:

cos=\frac{64}{80} \\cos=\frac{8}{10} \\cos=\frac{4}{5} .

6 0
3 years ago
What is the value of x so that the ordered pair (x, 1) is a solution to the equation 3x - y = 17?
Lisa [10]
3x-y=17
3x-(1)=17
3x=18
18/3
x=6
4 0
3 years ago
(5x+7)(8x+7) = 0<br>Find the two possible values.​
NeTakaya

(5x + 7)(8x + 7) \\  \\ 5x + 7 = 0 \\  \\ 5x =  - 7 \\  \\ x =  \frac{ - 7}{5}  \\  \\ 8x + 7 = 0 \\  \\ 8x =  - 7 \\  \\ x =  \frac{ - 7}{8} .

the values of x are -7/5 and -7/8 .

4 0
1 year ago
Read 2 more answers
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BlackZzzverrR [31]
The expression that can be used to represent x is not shown.

x is the price of the shoes

5% commission on every pair of shoes sold. $1.00 is the value of the commission received.

$1/5% = 1 / 0.05 = 20

The price of the shoes is 20.
4 0
3 years ago
Read 2 more answers
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