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Contact [7]
3 years ago
15

What is the value of x

Mathematics
2 answers:
Dmitriy789 [7]3 years ago
5 0

Step-by-step explanation:

25/x = 20/28

20x = (25)(28)

x = (25)(28) ÷ 20

melamori03 [73]3 years ago
3 0

Answer: 35

Step-by-step explanation:

You would set up the equation

25/x=20/28 cross multiply 25•28 and then divide by 20

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2 years ago
When 7 is subtracted from two third of the square of a number it becomes 17 find the number​
Dmitry [639]

Answer:  6 or -6

hello,

Step-by-step explanation:

Let say n the number

\dfrac{2}{3} *n^2-7=17\\\Longrightarrow\ \dfrac{2}{3} *n^2=24\\\Longrightarrow\ n^2=\dfrac{3*24}{2}\\\Longrightarrow\ n^2=36\\\Longrightarrow\ (n-6)(n+6)=0\\\\n=6\ or\ n=-6\\

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3 years ago
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ollegr [7]
  -x + 1/2 = x + 4 1/2
  +x           +x
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3 years ago
Finding the volume of the solid.Use unit cubes to help.
9966 [12]

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Hope this help

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