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butalik [34]
3 years ago
8

Find the sum of the measures of the interior angles of apolygon with 10 sides.​

Mathematics
1 answer:
motikmotik3 years ago
3 0

Answer:

1440

Step-by-step explanation:

The sum of the exterior angles of a regular polygon of 10 sides = 360 deg. The sum of the interior angles of a regular polygon of 10 sides = 10*[180 - (360/10)] = 10(180–36) = 10*144 = 1440 deg.

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Simon must maintain an average grade of 80% or better in his math class to be eligible to play sports.His math grade so far are
Sophie [7]

Answer:

Let x be the percentage score he got in fifth test,

According to the question,

His score in first, second, third and fourth test are 80%, 84%, 76% and 77% respectively,

Thus, the average of his total score in the five test,

= \frac{80+84+76+77+x}{5}

But, Again according to the question,

The average of the five grades as greater than or equal to 80%

That is,

\frac{80+84+76+77+x}{5}\geq 80

⇒ \frac{317+x}{5}\geq 80

⇒ 317 + x \geq 400

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3 years ago
What is the slope of the line that goes through the points (-3, 8) and (0, 23)?
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Answer:

5

Step-by-step explanation:

(-3, 8) and (0, 23)

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5 0
3 years ago
Read 2 more answers
The length of a rectangle are represented by consecutive even integers. If the perimeter is 60, find the dimensions
Pachacha [2.7K]

Answer:

Length = 24 and width = 6.

Step-by-step explanation:

2L + 2W = 60 where L = length and W = width.

The length must be in the 20's to make a perimeter of 60, as there's no number in the 10's or 30's that has 2 consecutive even integers and 40 something is impossible.

The only length which fits the given conditions is 24.

Then the width would be (60 -  2(24)) / 2 =  (60 - 48) / 2

= 6.

That's the answer.

7 0
4 years ago
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Answer:

Hint: 95% is close to a whole for example 0.95 is 95% of 1

Step-by-step explanation:

7 0
3 years ago
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Is 5 1/2 rational or irrational ?
-Dominant- [34]

Answer:

Rational

Step-by-step explanation:

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3 0
3 years ago
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