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lakkis [162]
3 years ago
14

Zelma buys p pounds of bananas for $0.40 per pound she pays the clerk with a $20 bill the clerk subtract the total cost of the b

ananas from the 20-dollar bill to determine the amount of change to give zelma which expression represents the amount of change zelma should receive
Mathematics
1 answer:
Sloan [31]3 years ago
7 0
You didnt include the (presumably) multiple choice answers. My guess is that the answer would be along the lines of: 20 - (P times .40)
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Answer:

The equation in the slope-intercept form will be:

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Step-by-step explanation:

Given the points

  • (-4.-8)
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\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}

\left(x_1,\:y_1\right)=\left(-4,\:-8\right),\:\left(x_2,\:y_2\right)=\left(-8,\:-9\right)

m=\frac{-9-\left(-8\right)}{-8-\left(-4\right)}

m=\frac{1}{4}

We know that the slope-intercept of line equation is

y=mx+b

where m is the slope and b is the y-intercept

substituting m = 1/4 and the point (-4, -8) to find the y-intercept 'b'

y = mx+b

-8 = 1/4(-4)+b

-8 = -1 + b

b = -8+1

b = -7

so the y-intercept = b = -7

substituting m = 1/4 and b = -7 in the slope-intercept form of line equation

y = mx+b

y  = 1/4x + (-7)

y  = 1/4x - 7

Thus, the the equation in slope-intercept form will be:

y  = 1/4x - 7

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Last year there were 120 students in choir. This year, 30% more students took choir. How many students are taking choir this yea
soldi70 [24.7K]

Answer:

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Step-by-step explanation:

To find how many students are in choir this year, multiply 120 by 1.3

120(1.3)

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So, this year, 156 students are taking choir

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Answer:

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Step-by-step explanation:

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