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Aleks [24]
3 years ago
5

How did the temperature change if: at first it's increased by 25% then decreased by 40%

Mathematics
1 answer:
LuckyWell [14K]3 years ago
5 0

Answer:

15%?

Step-by-step explanation:

sorry if im wrong

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David made a class banner out of a large rectangular piece of paper. He cut a
Irina18 [472]

Answer:

100 in²

Step-by-step explanation:

The area of the banner is equal to the area of the initial rectangle minus the area of the cutout triangle.

The rectangle has a height of 8 inches and width of 14 inches, so its area is:

A = (8 in) (14 in) = 112 in²

The triangle has a base of 8 inches and a height of 3 inches, so its area is:

A = ½ (8 in) (3 in) = 12 in²

So the area of the banner is 112 in² − 12 in² = 100 in².

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3 years ago
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chubhunter [2.5K]

Answer:

the mean for the data set is 129.3

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What is the volume of a figure with that is 2 inches wide, 7 inches tall and 9 inches<br> Pls help
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Answer:

126

Step-by-step explanation:

What is the volume of a figure with that is 2 inches wide, 7 inches tall and 9 inchesn = Whereas the basic formula for the area of a rectangular shape is length × width, the basic formula for volume is length × width × height.    

2x7x9 = 126

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3 years ago
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Enter the slope-intercept equation of the line that has slope 12 and yintercept (0, 3).​
Alekssandra [29.7K]

Answer:

y= 12x+3

Step-by-step explanation:

The slope-intercept equation is basically y=mx+b

m is the slope and b is the intercept.

Plug the numbers in for those 2 and there's your answer :)

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3 years ago
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Solve the equation for X+15 =X+30
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i'm pretty sure there's no solution

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