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krek1111 [17]
3 years ago
11

Maki receives money from her relatives every year on her birthday. Last year, she received a total of $650. This year, she recei

ved a total of $910. What is the percent of increase in Maki's annual birthday money?​
Mathematics
1 answer:
BabaBlast [244]3 years ago
4 0

Answer:

Step-by-step explanation:

percent increase = ((new number - original number) / (original  number))  * 100

                             = ((910 - 650) / 650)  * 100

                             = (260 / 650) * 100

                             = 0.4 * 100

                             = 40% <===== Maki's  increase

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3 years ago
A rectangle whose area is 180 square feet has a width that is 3 feet less than the length. Find the dimensions of the rectangle.
Yuliya22 [10]

Answer:

The length is 15\ ft

The width is 12\ ft

Step-by-step explanation:

we know that

The area of rectangle is equal to

A=LW

we have

A=180\ ft^{2}

so

180=LW -----> equation A

W=L-3 ------> equation B

substitute equation B in equation A and solve for L

180=L(L-3)

180=L^{2}-3L

L^{2}-3L-180=0

using a graphing tool------> solve the quadratic equation

The solution is L=15\ ft

see the attached figure

<em>Find the value of W</em>

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4 0
3 years ago
A restaurant makes cornbread. For each batch of cornbread
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Answer:

18

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7 0
3 years ago
Renting roller blades costs a flate fee of $5 plus an additional $2.50 per hour. Write a linear equation that models this.
Kobotan [32]

Answer:

Linear equation : y = 2.50h + 5

Step-by-step explanation:

Given that:

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Per hour charges = $2.50

Let,

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y be the total amount

Total amount = Per hour charges * Number of hours + Flat fee

y = 2.50h + 5

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Linear equation : y = 2.50h + 5

4 0
3 years ago
The length of a rectangle is five times its width. The perimeter of the rectangle is at most 96 cm. Which inequality models the
aivan3 [116]

Let

L--------> the length of the rectangle

W-------> the width of the rectangle

we know that

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Substitute equation 2 in equation 1

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<u>the answer is the option</u>

2w+2⋅(5w)≤96


7 0
3 years ago
Read 2 more answers
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