3 years ago

What is an equation of the line that passes through the points (4, -1) and (8, -7)

Mathematics

1 answer:

Blizzard [7]3 years ago

5 0

Answer:

y=5-2x

Step-by-step explanation:

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15.12 is what percent of 12?

Llana [10]

Answer:

Step-by-step explanation:

$\bold{METHOD\ 1}\\\\\begin{array}{ccc}15.12&-&p\%\\\\12&-&100\%\end{array}\qquad\text{cross multiply}\\\\\\12p=(15.12)(100)\\12p=1512\qquad\text{divide both sides by 12}\\p=126$

$\bold{METHOD\ 2}\\\\p\%=\dfrac{p}{100}\\\\p\%\ of\ 12\ is\ equal\ to\ 15.12:\\\\\dfrac{p}{100}\cdot12=15.12\\\\\dfrac{12p}{100}=15.12\qquad\text{multiply both sides by 100}\\\\12p=1512\qquad\text{divide both sides by 12}\\\\p=126$

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3 years ago

If 4 pairs of shoes cost $48, what is the cost for 7 pairs of shoes?

jonny [76]

Answer: $84

Step-by-step explanation: 48/4=12 12x7=84

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3 years ago

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Start at (12, 3). Move 2 units right and 7 units up. Where do you end up?

Korolek [52]

Answer: (10, 10)

Step-by-step explanation: well if you say start at (12, 3) move 7 units up then 3 units right then it would make it easier to figure it out cus as you can see start at 3 and go up 7 it would stop at 10 then if you go over 2 from 12 it would stop at 10

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3 years ago

What is a reasonable distance between two cities? A. 200 km B. 200 m C. 200 cm D. 200 mm

Charra [1.4K]

Answer:

200 KM about 124 miles

Step-by-step explanation:

200 m is only 0.12 miles

200 cm is 78 inches

200 mm is 20 cm or 7.8 inches

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3 years ago

The formula to determine the period of one swing of a simple pendulum is

Sonbull [250]

Answer:

byfyfutxfjjtudhxfuxhfxfjcgjv

Step-by-step explanation:

I don't no

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3 years ago