3 years ago

Find the slope of the line that passes through the following points

Mathematics

1 answer:

Lilit [14]3 years ago

5 0

A and B: m = 3/4

C and D: m = 1/2

E and F: m = 1/6

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Dave walked to his friend's house at a rate of 4 mph and returned back biking at a rate of 10 mph. If it took him 18 minutes lon

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Answer:

4 miles

Step-by-step explanation:

<u>Walking:</u>

Distance = d miles

Rate = 4 mph

Time = t hours

$d=4\cdot t$

<u>Biking:</u>

Distance = d miles

Rate = 10 mph

Time $=t-\dfrac{18}{60}=t-0.3$ hours (convert minutes to hours)

$d=10\cdot (t-0.3)$

Hence,

$4t=10(t-0.3)\\ \\4t=10t-3\\ \\4t-10t=-3\\ \\-6t =-3\\ \\6t=3\\ \\t=\dfrac{3}{6}=\dfrac{1}{2}=0.5\ hour$

Therefore, the distance to friend's house is

$d=4\cdot 0.5=2\ miles$

and the total distance of the round trip is

$2+2=4\ miles$

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Which of the following best describes term life insurance? A. The insured pays a premium for a specified number of years. B. The

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D because the insurance pays out a sum of money after death or a set period

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3 years ago

What is the equation of the line that has a slope of 2 and passes through the point (2,9)?

jenyasd209 [6]

Answer:

Step-by-step explanation:

use the formula for point slope form, since all of your choices are in that form : y-y1=m(x-x1) (m is the slope)

we're given that m=2 and the point is (2,9)

Substitute into the equation

y-9=2(x-2)

That means that the answer is D

Hope this helps!

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Bridges 4 grade answer key

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A n s w e r:

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