3 years ago

Help me out with this question (geometry)

Mathematics

1 answer:

VARVARA [1.3K]3 years ago

6 0

Answer: 19

Step-by-step explanation: it says you already found X so you substitute it into angle m2

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The mean of a set of eight numbers is 8 and the mean of a different set of twelve numbers is m. Given that the mean if the combi

Basile [38]

Mean=total/the number of values =>total=mean*the number of values
the total of the first set of 8 numbers is : total=8*8=64
the total of the second set of 12 numbers is: 12m
the total of the 20 numbers is: 64+12m
the mean of the 20 number is: (64+12m)/20=5
solve for m: 64+12m=100
12m=36
m=3

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4 years ago

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Andrews [41]

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Step-by-step explanation:

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3 years ago

Pick the equations that are equal to <br>15-8y=-11

Black_prince [1.1K]

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3 years ago

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A certain plant grows 134 inches every week. How long will it take the plant to grow 714 inches?

Bond [772]

The information we know:

1 week = 134 inches

x = 714

What I did was, I divided 714 by 134 to find the amount of weeks:

$714/134 = 5.3$

So, from the equation, basically, in 6 weeks (actually 5.3 weeks) the plant will grow 714 inches long

<em>thank you! ps can u give me brainly :3</em>

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3 years ago

You are visiting a friend in Coshocton and need to get to Cedar Point in Sandusky. These two cities are 106 miles apart. Using t

Paraphin [41]

Answer:

Step-by-step explanation:

Set-up a proportion with equal ratios.

$\frac{3}{50}=\frac{x}{106}$

Solve for x by cross multiplying.

3*106 = 50*x

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6.36 = x

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3 years ago