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Marianna [84]
3 years ago
8

Hurry plz

Mathematics
1 answer:
Montano1993 [528]3 years ago
6 0

Answer:

I believe it would be 10% since there are only ten questions and if she would have gotten 9 right she would have gotten 90 % right if they are worth 10 points each. So

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4.
NemiM [27]

Answer:

i belive the answer is B

Step-by-step explanation:

6 0
3 years ago
Find the measure of a central angle of a regular polygon with 10 sides
Paraphin [41]

Answer:

114 degrees

Step-by-step explanation:

The formula to find the measure of all angles in a regular polygon is (n-2)180, where n = total number of sides.

Thus, we substitute n for 10, and you get:

(10-2)180=1440

If the shape is a regular polygon and it has ten sides, meaning all sides are equal, then all you do is divide 1440 by 10, to get the final answer of 114.

A central angle in a regular ten-sided polygon would be 144 degrees.

5 0
3 years ago
The area of a rectangle is 42 square millimeters. The length is 7 millimeters. What is the perimeter of the rectangle?
Aleks [24]

Answer:

26 mm

Step-by-step explanation:

A=wl= 42 mm²

l=7, w= 42/7= 6 mm

P=2(l+w)= 2(7+6)= 26 mm

8 0
3 years ago
The weight of 120 books is 36kg, find the weight per book
hodyreva [135]

Answer:

0.3kg

Step-by-step explanation:

Since the weight of 120 books is 36kg, the weight per book will be:

= 36kg / 120

= 0.3kg

4 0
2 years ago
Name the quadrant in which the angle lies the
Brums [2.3K]

Answer:

quad 3

Step-by-step explanation:

Subtract multiples of 360

944 -360

584

584 -360

224

0-90 is in quad 1

91 -180 is in quad 2

181 - 270 is in quad 3

4 0
3 years ago
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