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user100 [1]
3 years ago
14

If you know how to solve this, Please answer it. Thank You

Mathematics
2 answers:
Anettt [7]3 years ago
8 0

Answer:

x=10

Step-by-step explanation:

If x=4.5 when y is 9, x is always half of  y. x^1 /y^1 = x^2/ y^2

is 1/2 = 1/4

bulgar [2K]3 years ago
6 0
The answer would be 10
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1/7f- 5 1/2= 9/14. what is f?
Alex777 [14]
To solve this equation, we have to isolate the variable f, or get it alone on one side of the equation.

1/7f - 5 1/2 = 9/14

To do this, we need to add 5 1/2 to both sides of the equation to 1) cancel out the - 5 1/2 on the left side of the equation, and 2) maintain equality both sides of the equation.

1/7f - 5 1/2 + 5 1/2 = 9/14 + 5 1/2

1/7f = 6 2/14

Next, we have to divide both sides by 1/7, to get rid of the coefficient of f on the left side of the equation.

1/7f ÷ 1/7 = 6 2/14 ÷ 1/7

f = 43

Therefore, the the value of f is 43.
8 0
3 years ago
Terrence and Lee were selling magazines for a charity. In the first week, Terrance sold 30% more than Lee. In the
Rus_ich [418]

<em><u>Lee sold 40 magazines</u></em>

Step-by-step explanation:

Equation Model:

Let m be the number of magazines Lee sold.

150%-130%=20%, so if 0.2m=8 then m=40

Let me show another way: In the image above 20% is equal to 8 so if we use 8 and 20% and try to reach our way up to 100% (How much Lee sold in total) then we will get our answer.

20%=8

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60%=24

80%=32

100%=40

Therefore Lee sold 40 magazines.

Hope that makes sense! If you have any more questions or need further clarification then please comment down below or message me! Good luck!

4 0
3 years ago
What is f(x)= 2/3 x + 7
Eva8 [605]

Answer:

14x/3

its the correct ans

7 0
3 years ago
What is 100(0.99988) rounded to the nearest tenth
Deffense [45]
Multiply first then round
3 0
3 years ago
Is this correct?- <br><br> Also please don’t just say “yes” or “no”-
hichkok12 [17]

Answer:

a) No

b) No

c) No

d) Yes

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3 years ago
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