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amm1812
3 years ago
7

This answer is the one I need to know

Mathematics
1 answer:
spayn [35]3 years ago
3 0
The answers for the problems are: 6. -18
9. 6
12. -40
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It’s linear so you map out the first differences and then put it into y=Mx+b form. For the you gotta find the y intercept
Alika [10]

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

Let's find the slope (m) :

  • \dfrac{y2 - y1}{x2 - x1}

  • \dfrac{16 - 11}{9 - 6}

  • \dfrac{5}{3}

slope of given line is 5/3

now, let's plug the value of coordinates of a point lying on the line ( for example : (6 , 11) and slope (m) to find the y - intercept (c) :

  • y = mx + c

  • 11 =   \bigg(\dfrac{5}{ 3}  \times 6 \bigg)  + c

  • 11 = (5 \times 2) + c

  • 11 = 10 + c

  • c = 11 - 10

  • c = 1

value of y - intercept (c) = 1, so our equation will be :

  • y = mx + c

  • y =  \dfrac{5}{3}x  + 1
6 0
2 years ago
If 1 mile equals 5280 feet and an escalator moves at a rate of 2 feet per second. At what rate does the escalator move in miles
Sever21 [200]
Ratio=2 ft/s
ratio=2 ft/s * (1 mile / 5280 ft)*(3600 s / 1 h)=1.36363636.. miles/h≈1.36 miles/h.


Answer: 1.36 miles/h
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Answer:

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4 0
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7 more than d is equal to 19
galben [10]

7+d=19 is the answer

subtract 7 from each side d=19-7

d=12


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