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3 years ago

Randall is 15 years younger than Wendy. 8 years ago, Wendy's age was 2 times Randall's age. How old is Randall now?

Mathematics

1 answer:

lina2011 [118]3 years ago

6 0

After thinking Randall will be 45

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1/2x - 4 = 1/3x + 5

Mamont248 [21]

Answer:

X = 54

Step-by-step explanation:

Let's solve your equation step-by-step.

1/2x−4=1/3x+5

Step 1: Subtract 1/3x from both sides.

1/2x−4−1/3x=1/3x+5−1/3x

1/6x−4=5

Step 2: Add 4 to both sides.

1/6x−4+4=5+4

1/6x=9

Step 3: Multiply both sides by 6.

6*(1/6x)=(6)*(9)

x=54

3 0

3 years ago

2/3x - 9= 3/4<br> Find x 1/5x + 8= 3/4 Find x

mojhsa [17]

$\frac{2}{3}x-9=\frac{3}{4}\ \ \ \ |multiply\ both\ sides\ by\ LCM(3;4)=12\\\\12\cdot\frac{2}{3}x-12\cdot9=12\cdot\frac{3}{4}\\\\4\cdot2x-108=3\cdot3\\\\8x-108=9\ \ \ \ |add\ 108\ to\ both\ sides\\\\8x=117\ \ \ \ |diviede\ both\ sides\ by\ 8\\\\x=\frac{117}{8}\\\\\boxed{x=14\frac{5}{8}}$

$\frac{1}{5}x+8=\frac{3}{4}\ \ |other\ method\ like\ first\ . . . . |subtract\ 8\ from\ both\ sides\\\\\frac{1}{5}x=\frac{3}{4}-8\\\\\frac{1}{5}x=\frac{3}{4}-\frac{4\cdot8}{4}\\\\\frac{1}{5}x=\frac{3}{4}-\frac{32}{4}\\\\\frac{1}{5}x=-\frac{29}{4}\ \ \ \ |divide\ both\ sides\ by\ \frac{1}{5}\to(multiply\ both\ sides\ by\ 5)\\\\x=-\frac{29}{4}\cdot\frac{5}{1}\\\\x=-\frac{145}{4}\\\\\boxed{x=-36\frac{1}{4}}$

4 0

3 years ago

Answer the question I took a picture of

ale4655 [162]

Answer:

the answer is -16

Step-by-step explanation:

neagative 16

6 0

3 years ago

Please help!!! Keep in mind the triangles aren’t to scale!!!

Varvara68 [4.7K]

Answer = 5

I don't feel like explaining it.

5 0

3 years ago

Please answer this correctly

Nuetrik [128]

Answer:

60%

Step-by-step explanation:

In the spinner there are 5 numbers. 3 of them are odd and 2 of them are even and because each number has 1/5 chance of being chosen, you have a 3/5 chance of choosing an odd number. 3/5 = 60/100 = 60%

7 0

4 years ago