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alexandr1967 [171]
3 years ago
8

Simplify the expression. 8x + 7 – 3x

Mathematics
2 answers:
marshall27 [118]3 years ago
8 0
8x + 7 -3x=
15x - 3x=
12x

DIA [1.3K]3 years ago
6 0
5x+7
Hope this helps :)

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Maya is cleaning out her closet and is shocked when she realizes that she has 55 shirts. She decides to donate 40% of them. ​
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Maya is cleaning out her closet and is shocked when she realizes that she has 55 shirts. She decides to donate 40% of them. How many more shirts does she have for her ?

Answer:

The number of T-shirt that Maya will have after donating 40% is 22 shirts

Explanation:

Given:( as per the above data provided)

Total number of T-shirts = 55

Percentage of T-shirts she wish to donate = 40%

To find:

Remaining number of T-shirt left after donating?

Formula to be used:

Remaining T shirt = (Total number of T-shirt /100) X The Percentage of T-shirt she wish to donate

Steps:

Substituting all the above provided values in the formula we get,

              = (55/100)*40

              = 22 shirts.

Thus the number of T-shirts left with her is 22.

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83x + P = 83x + Q        <em>subtract 83x from both sides</em>

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The equation has no solution for P different Q (P ≠ Q).

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Solve : 3[3[3]-2] square 2 -3[6-4] square 2<br> please help me
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A smart TV is on sale for 10% off. If the original price is $1,200, what is the sale price?
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A group of workers is harvesting berries at a constant rate. An equation that represents the number of baskets of berries the wo
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Question: (a) What are the slope and the y-intercept for the equation that represents the number of baskets of berries the workers picked over a period of time?

Answer:

Given equation is y = 6x + 8.

Where y represents the number of baskets of berries the workers picked over a period of time x in hours.

Compare with slope intercept form y=mx+b, we get m=6 and b=8

Hence slope is 6 and y-intercept is 8.

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Question: (b) What are the rate of change and the initial amount? Explain the meaning of the rate of change and the initial amount for the situation.

Answer:

Rate of change means slope so answer is 6.

Initial amount means y-intercept so that is 8.

rate of change of 6 means six baskets of berries are picked by workers in 1 hour.

Initial amount of 8 means there was 8 baskets of berries already filled in the beginning.


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Question: (c) Use graph paper to draw a graph representing the situation. Label the axes appropriately.

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first we graph y-intercept that is at point (0,8)

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Hence final graph is the line joining both points.


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