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algol [13]
3 years ago
10

Please help me i need the answer

Mathematics
1 answer:
Amiraneli [1.4K]3 years ago
7 0

Answer:

A

Step-by-step explanation:

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Which number should each side of the equation 4/5x=8 be multiplied by to produce he equivalent equation of x=10?
gulaghasi [49]
<< Add .\frac{-4}{5} to the left and right of the equation, multiple and make ''opposite multiplation'' to find x.

A) \frac{4}{5x}. \frac{-4}{5} = 8.  \frac{-4}{5} &#10;
\frac{16}{25x} = \frac{-32}{5}
25x.(-32)= (-16).5
-800x= -80

**to leave x alone and positive, you must divide to -800.
x=  \frac{-80}{-800}
x=  \frac{1}{10}
= INCORRECT

B) \frac{4}{5x} . \frac{1}{5} = 8. \frac{1}{5} &#10;
\frac{4}{25x} = \frac{8}{5}
25x.8= 4.5
200x=20&#10;
x=  \frac{20}{200} =  \frac{1}{10}


C)\frac{4}{5x} . \frac{5}{4}=  \frac{8.5}{4}
\frac{1}{x} = \frac{40}{4}
\frac{1}{x} =10
10x=1
x= \frac{1}{10}


D) \frac{4.5}{5x}  = 8.5
\frac{4}{x} = 40
40x= 4
x= \frac{4}{40} = 1/10

I think there is a problem with the options :D







5 0
4 years ago
Help?
Kazeer [188]
Remember, h(x) = y and x ...well, x is x...lol

B. h(x) = |x|....subbing in (-1,1)
     y = |x|
     1 = |-1|...absolute values are positive, even when they say negative
     1 = 1 (correct)
8 0
4 years ago
Find the following natural log: In ez
Julli [10]

Step-by-step explanation:

ln(ez) = ln(e) + ln(z)

= 1 + ln(z)

ln(e )  =  log_{e}(e) = 1

8 0
3 years ago
Read 2 more answers
Help pls no rip me off for points
Otrada [13]

Answer:

B.

Step-by-step explanation:

4*s = 4s

4*3 = 12

Use the property of distribution

<em>hope this helps :)</em>

3 0
3 years ago
Read 2 more answers
What is -17 minus 3?
jekas [21]
- 17 - 3

To answer this, you must know that subtracting a number from a negative number is like adding the two together.

So the question would look like this: (-17) + (-3)

Add the two together: (-17) + (-3) = - 20

-20 is your answer

hope this helps
4 0
3 years ago
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