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CaHeK987 [17]
4 years ago
12

Need math genius.Forgot to post question Lol.But help plz​

Mathematics
2 answers:
marin [14]4 years ago
8 0

Answer:

150

Step-by-step explanation:

To find the measure of an interior angle of a regular dodecagon we use the formula : Sum = (n-2)180

There are 12 sides in this polygon. The "n" represents the number of sides in the polygon.

Sum = (n-2)180

= (12-2)180 = 10(180) = 1800.

But this the TOTAL amount of interior angles in this polygon. We only have to find 1. Like I said, there are 12 sides in this polygon and tofimdkne side we divide by 12.

1800 ÷ 12 = 150

zlopas [31]4 years ago
7 0

Answer:

150°

Step-by-step explanation:

You are given the formula for the sum of the interior angles where n is the number of sides.

Substitute 12 in:

(12-2)×180

=10×180

=1800

To find an individual angle, divide the sum by n.

1800÷12=150

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A car uses 1 liter of gas every 12 kilometers. How many meters can the car travel on 3 liters of gas?
astra-53 [7]
<u>  1 liter </u> = <u>12 km
</u>3 liters     x km
<u>
</u>x= 12km x 3 liters ÷ 1 liter
<u />x= 36 km

But since we want to know how many METERS the car can travel, convert km to m:

<u> 1 km   </u>= <u>1000m</u>
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y= 1000 x 36m ÷ 1 km
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Hope this helps!

5 0
3 years ago
Read 2 more answers
What is the height of a box in inches if the volume is 30 cubic inches, the width is 2.5 inches and the length is 3 inches?
ehidna [41]

Answer:

  4 inches

Step-by-step explanation:

The volume of a box is the product of its dimensions:

  V = LWH

Fill in the given information and solve for the unknown value.

  30 in³ = (3 in)(2.5 in)H

  30 in³/(7.5 in²) = H . . . . . . . divide by the coefficient of H

  H = 4 in . . . . . evaluate

The height of the box is 4 inches.

7 0
3 years ago
The sum of two numbers is 436. The larger number is 3 times the smaller number. What are the numbers?
wolverine [178]
The numbers are 109 and 327. Hope it helps!
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3 years ago
Benny opened a bank account. He deposited $92.50 into his account every month for 10 months. He used $36.50 every month to pay f
neonofarm [45]
$92.50 * 10 =$925 ( deposited$92.50 into his account every month for 10 so we multiply)
$36.50*10 = $365 ( used $36.50 every month to pay art lessons every month means he took out)
925-365=560 ( total amt left in the account after taking out $365)
He used 1 over 2 of total money means
560/2 = 280

The answer would be B $280.

Hope this helps!!
6 0
3 years ago
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Tresset [83]
X = 3/2, -4

Get yourself a graphics calculator :)
3 0
4 years ago
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