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MatroZZZ [7]
2 years ago
11

A+3/4=7/8. Please help solve equation using subtraction

Mathematics
1 answer:
vazorg [7]2 years ago
7 0
1/8
If you can make the bottom numbers (denominator) The same that you can use subtract the top numbers like normally
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1,500 people tried a cream. Nine people had a reaction. What percent of people had a reaction?
Nadya [2.5K]

Answer:

0.006% of people had a reaction

Step-by-step explanation:

1,500 tried it -----> 9 had a reaction

9/1,500

Divide both numerator and denominator by 3

3/500

Multiply by 2 to get the fraction out of 1000

6/1000

Divide by 10 to get the fraction out of 100

0.6/100

0.006%

Hope this helps :) Let me know if you have any questions about my answer.

7 0
3 years ago
Solve the system of functions below:<br> -9x = (-2x^2)-4-y<br> x = (-y+6)/3
Sindrei [870]

Point Form:

(1,3) (5,-9)

Equation Form:

x=1 y=3

x=5 y=-9

solve for the first variable in one of the equations, then substitute the result into the other equation.

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3 years ago
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sineoko [7]
<h3>Answer:   </h3><h3>A) 729</h3><h2>Step-by-step explanation:</h2>

The number of trees are multiplied by 3 each week.

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5 0
3 years ago
We need help . we think we got it but were not sure ​
maria [59]

Answer:

your right

Step-by-step explanation:

3 0
3 years ago
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Marion flipped a coin three times. What is the probability that exactly two heads appeared?
Readme [11.4K]
Probability of getting heads: 1/2 

Probability to get 2 heads out of three tries is: 1/8
Work: 1/2 x 1/2 x 1/2 = 1/8
7 0
3 years ago
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