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viva [34]
3 years ago
9

Selina and three of her classmates each wrote out the steps for finding an approximate percent change. They all agreed on the fi

rst and fourth step:
1. Find the positive difference between the original number and the new number.
2. ________________________
3. ________________________
4. Round the answer if necessary.

They did not agree on steps 2 and 3. Which instructions are correct for steps 2 and 3?
2. Divide the difference by the original number.
3. Multiply the quotient by 100 to change it from a decimal to a percent.
2. Divide the difference by the new number.

3. Multiply the quotient by 100 to change it from a decimal to a percent.
2. Divide the difference by the original number.

3. Multiply the quotient by 10 to change it from a decimal to a percent.
2. Divide the difference by the new number.

3. Multiply the quotient by 10 to change it from a decimal to a percent.
Mathematics
2 answers:
lesya692 [45]3 years ago
8 0

Answer:

2

Step-by-step explanation:

erma4kov [3.2K]3 years ago
5 0

Answer:

it should be, 2. divide the difference by the new number 3.multiply the quotient by 100 to change it from a decimal to a percent

Step-by-step explanation:

Hope I helped :)

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Komok [63]
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3 years ago
If A(3,4) and B(10,4) are the end points of a diameter of circle "O", what is the area of the circle O
ikadub [295]

Answer:

\large\boxed{\dfrac{49\pi}{4}}

Step-by-step explanation:

The formula of an area of a circle:

A=\pi r^2

<em>r</em> - radius

We have the endpoints of a diameter of a circle.

The formula of a distance between two points:

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Substitute the coordinates of the given points A(3, 4) and B(10, 4):

d=\sqrt{(10-3)^2+(4-4)^2}=\sqrt{7^2+0^2}=\sqrt{7^2}=7

Therefore we have the length of the diameter: <em>d = 7</em>

We know: <em>d = 2r.</em> Therefore

r=\dfrac{7}{2}

Substitute to the formula of an area:

A=\pi\left(\dfrac{7}{2}\right)^2=\dfrac{49\pi}{4}

<em>There is no such answer in the answers to choose.</em>

<em>Apparently you have some error in the coordinates of the endpoints.</em>

8 0
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28 + vector b   = -12

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Simone is stocking a shelf with bottles of salad dressing. She has one box with 30 bottles and another box with 18 bottles. She
nirvana33 [79]

Answer:

8

Step-by-step explanation:

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48/6=8

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3 years ago
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Step-by-step explanation:

92+70+41=203

203/3=67 2/3

Around 67%

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2 years ago
Read 2 more answers
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