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Vladimir [108]
3 years ago
15

What is 2m-13=-8m+27

Mathematics
2 answers:
astraxan [27]3 years ago
4 0
I got -6.67 rounded 
2m-13=8m+27
subtract 2m form both sides 
-13=6m+27
subtract 27 from both sides and you get
-40=6m
divide -40 by 6
m=-6.67
natulia [17]3 years ago
3 0
0=-10m+40
10m=40
m=4 is your answer
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lbvjy [14]
If you solve for radius you get 7. Therefore the diameter of the cone would equal 14.
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3 years ago
A circular plate has circumference 32.7 inches. What is the area of this​ plate? Use 3.14 for pie.
sveta [45]

Answer: 85.13

Step-by-step explanation:

We know:

Circumference = 2*3.14r

Area of a circle = 3.14r²

We need to find the radius given the circumference before solving for the area:

32.7 = 2*3.14r

32.7/6.28 = 6.28r/6.28

r = 5.20700637

Now that we know the radius, we can plug it in to find the area:

A = 3.14(5.20700637)²

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A = 85.134554

6 0
3 years ago
On Martin's first stroke, his golf ball traveled 4 5 5 4 ​ start fraction, 4, divided by, 5, end fraction of the distance to the
faltersainse [42]

Answer:

0.395 kilometers

Step-by-step explanation:

Please consider the complete question.

On Martin's first stroke, his golf ball traveled 4/5 of the distance to the hole. On his second stroke, the ball went into the hole. Martin was standing 79 meters from the hole as he took his second stroke. How many kilometers from the hole was Martin when he started?

Let x represent the distance between hole and start point.

In 1st stroke ball traveled 4/5 of the distance, so 1/5 of the distance was remaining from 2nd stroke to hole. This means the 1/5 of whole distance between start point and hole is equal to 79 meters.

We can represent this information in an equation as:

\frac{1}{5}x=79

\frac{1}{5}x\cdot 5=79\cdot 5

x=395

Since our distance is in meters, so we will convert 395 meters into kilometers by dividing by 1000.

395\text{ meters}=\frac{395}{1000}\text{ km}=0.395\text{ km}

Therefore, Martin was 0.395 kilometers from the hole, when he started.

3 0
3 years ago
Annie ran a total of 55.3 miles over a period of 7.75 days. about how far did she run each day?
sladkih [1.3K]

Answer:

7.1

Step-by-step explanation:

:)

6 0
3 years ago
Read 2 more answers
Plz help!!!!!i want to check my answer
RoseWind [281]

Answer:

$360

Step-by-step explanation:

To calculate simple interest (I) use the formula

I = \frac{PRT}{100}

Where P is the principal (deposit), R is the rate of interest and T is time in years.

here P = 3000, R = 4 and T = 3, hence

I = \frac{3000(4)(3)}{100} = \frac{36000}{100} = $360

3 0
3 years ago
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