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3 years ago

If a=3 and b=5 , find b/(a+b)=A) 8/5B) 3/8C)5/8

Mathematics

1 answer:

Sophie [7]3 years ago

6 0

Answer: 5/8 || explanation: 5/(3+5) =5/8

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Step-by-step explanation:

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x^2-4x-12

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The cost of pumpkin seeds is proportional to

zheka24 [161]

Answer:

Part 1) The unit rate is $\$0.25\ per\ ounce$

Part 2) A 56 ounce bag of pumpkin Seeds cost $14.00

Step-by-step explanation:

Part 1) What is the unit rate for the pumpkin seeds?

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form $k=\frac{y}{x}$ or $y=kx$

Let

y ----> the cost of pumpkin seeds in dollars

x ---> the weight in ounces

we have

For x=24 ounces, y=$6

Find the value of the constant of proportionality k

$k=\frac{y}{x}$

substitute the values

$k=\frac{6}{24}=\$0.25\ per\ ounce$

The unit rate is the same that the constant of proportionality k

therefore

The unit rate is

$\$0.25\ per\ ounce$

Part 2) How much would 56. ounce bag of pumpkin seeds cost?

we know that

The linear equation is equal to

$y=0.25x$

For x=56 ounces

substitute in the linear equation and solve for y

$y=0.25(56)=\$14.00$

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3 years ago

A boy spends 4/15 on cloth, 1/5 on food and 5/12 on drink. what fraction is left for other things

mamaluj [8]

Answer:

4/15+1/5+5/12=53/60 so

7/60

Hope This Helps!!!

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2 years ago

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BlackZzzverrR [31]

Answer:

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Since group A is tested under normal condition, it is the control group. Control group is separated from other groups so that the independent variable being tested cannot influence the result.

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3 years ago

If a=3 and b=5 , find b/(a+b)=A) 8/5B) 3/8C)5/8​

If a=3 and b=5 , find b/(a+b)=A) 8/5B) 3/8C)5/8