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Alenkinab [10]
3 years ago
5

Help with this word problem

Mathematics
1 answer:
denis23 [38]3 years ago
6 0
I believe the answer is Diane brought 4 pounds of coffee.
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Describe and correct the error in writing an equation of the line shown
Rudiy27

Answer:

y  = -\frac{3}{5}x+4

Step-by-step explanation:

Given:

(x_1,y_1) = (0,4)

(x_2,y_2) = (5,1)

The attachment completes the question

From the attachment, the slope of the line was calculated as:

m = \frac{1-4}{0-5}

This step is inaccurate because the slope of a line is calculated using

m = \frac{y_2-y_1}{x_2-x_1}

Which gives

m = \frac{1-4}{5-0}

m = \frac{-3}{5}

m = -\frac{3}{5}

The line equation is then calculated using:

y -y_1 = m(x - x_1)

Substitute values for m, x1 and y1

y - 4 = -\frac{3}{5}(x - 0)

y - 4 = -\frac{3}{5}(x)

Open bracket

y - 4 = -\frac{3}{5}x

Make y the subject

y  = -\frac{3}{5}x+4

6 0
2 years ago
You have the option of buying 20 tickets at the fair for 15$ or 45 for 27$ which is te best deal
Lostsunrise [7]
45 tickets for 27$is definitely the best deal because if you go with the first option and buy it twice you will pay 25$for only 40 I can’t Explain properly but definitely 45 for 26$
3 0
2 years ago
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Divide m2n3/p3 by mp/n2
Crank
I think this might be the answer you're looking for m^3n/p^2
3 0
3 years ago
The function g(x) varies directly with x^2, and g(x) 144 when x=6 which quadratic variation equation models situation
TEA [102]
Hello,
y=k*x² and y=144 if x=6
==>144=k*36==>k=4

g(x)=4*x²

7 0
3 years ago
Heidi is saving for a new bike. She has already saved $57. If Heidi earns
PtichkaEL [24]

Answer:

8 hours

Step-by-step explanation:

57 + 9h = 129

9h = 72

h = 8

7 0
3 years ago
Read 2 more answers
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