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GaryK [48]
2 years ago
10

Find an equation for the line below

Mathematics
2 answers:
Mazyrski [523]2 years ago
3 0

Answer:

See below.

Step-by-step explanation:

(5,4) and (-3,2)

2-4=-2

-3-5=-8

-2/8 or -1/4 is the slope.

3 is the y-intercept.

y=-1/4x+3

-hope it helps

velikii [3]2 years ago
3 0

Answer:

y=\frac{1}{4}x+\frac{11}{4}

Step-by-step explanation:

Slope (m) formula: \frac{y_2-y_1}{x_2-x_1}

(-3, 2) and (5, 4):

m=\frac{y_2-y_1}{x_2-x_1} \\\\m=\frac{4-2}{5-(-1)} \\\\m=\frac{4-2}{5+3} \\\\m=\frac{2}{8} \\\\m=\frac{1}{4}

y=mx+b

y=\frac{1}{4} x+b

(-3, 2)

y=\frac{1}{4} x+b\\\\2=\frac{1}{4}(-3)+b\\\\2=-\frac{3}{4}+b\\\\4(2=-\frac{3}{4}+b)\\\\8=-3+4b\\\\+3 +3\\\\11=4b\\\\/4  /4\\\\11/4=b

y=\frac{1}{4}x+\frac{11}{4}

Hope this helps!

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A car drives for 1 hour 55 minutes with a constant speed of 36 km/h and then for another 1 hour 50 minutes with a constant speed
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----------------------------------------
Convert hours to minutes
----------------------------------------
1 hour 55 mins = 60 + 55 = 115 mins
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_____________________________________________________

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1 min = 36 ÷ 60
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1 min = 0.6 km
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Speed = 72km/h
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Total Distance traveled:
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