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3 years ago

Write an equation for each problem. Then Solve. 52 is what percent of 260?

Mathematics

1 answer:

Norma-Jean [14]3 years ago

6 0

The equation would be 260 times 0.52 which equals 135.2

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Please help! I will mark you as brainliest!

matrenka [14]

Answer:

3.5 hours traveling

2.5 hours stationary

Step-by-step explanation:

When the line is horizontal, the distance isn't changing, so she is stationary, so just add the total time the line is horizontal.

Likewise, all other lines represent traveling.

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3 years ago

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What’s the answer? Please help

blsea [12.9K]

Answer:

Step-by-step explanation:

Since you are trying to find out half the number of students in a PE class, dividing would be most appropriate since you would be trying to find half.

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3 years ago

Evaluate 9/m +4when m=3

valina [46]

Answer:

Step-by-step explanation:

Put the m value where m is

9/3+4

9/3 simplified is 3

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3 years ago

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A rectangular piece of metal is 15 in longer than it is wide. Squares with sides 3 in long are cut from the four corners and the

ziro4ka [17]

Answer:

The original dimensions of the piece of metal are

Length: 36 inches

Width: 21 inches

Step-by-step explanation:

Let

x ----> the original length pf the piece of metal

y ----> the original width pf the piece of metal

we know that

$x=y+15$ ----> equation A

The volume of the box is equal to

$V=LWH$

we have

$V=1,350\ in^3$

$L=(x-3-3)=(x-6)\ in\\W=(y-3-3)=(y-6)\ in$

$H=3\ in$

substitute in the formula of volume

$1,350=(x-6)(y-6)(3)$ ----> equation B

substitute equation A in equation B

$1,350=(y+15-6)(y-6)(3)$

solve for y

$450=(y+9)(y-6)$

$y^2-6y+9y-54=450\\y^2+3y-504=0$

Solve the quadratic equation by graphing

using a graphing tool

The solution is y=21

Find the value of x

$x=21+15=36$

therefore

The original dimensions of the piece of metal are

Length: 36 inches

Width: 21 inches

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3 years ago

Bananas are $0.59/pounds. what is the constant of proportionality,k?

bogdanovich [222]

1 pound bananas = 4 small bananas - Wikipedia

4 small bananas : 59 cents

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3 years ago