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Katen [24]
3 years ago
8

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Mathematics
1 answer:
sleet_krkn [62]3 years ago
6 0

Answer: what is the question?

Step-by-step explanation:

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Ray cuts out a figure that has 4 equal sides and no right angles. What is the best name for the figure?
BartSMP [9]
The answer is a circle
5 0
3 years ago
Read 3 more answers
a 120 degree sector of a circle has an area of 67 square centimeters. to the nearest centimeter, what is the diameter of the cir
Vitek1552 [10]

Answer:

16 cm

Step-by-step explanation:

We have to first find the radius of the circle.

The area of a sector is given as:

A = \frac{\alpha }{360}  * \pi r^2

where α = central angle of the sector = 120°

r = radius of the circle

Therefore:

67 = \frac{120}{360} * \pi r^2\\\\\pi r^2 = \frac{360 * 67}{120}\\ \\r^2 = \frac{360 * 67}{120 * \pi}\\\\r^2 = 63.98\\\\r = \sqrt{63.98} = 8.0 cm

The diameter of a circle is twice its radius, therefore:

D = 2 * 8 = 16 cm

The diameter of the circle is 16 cm

8 0
3 years ago
Heidi went on a hike and now needs to ride her bike back to her tent. She starts out by traveling 15 miles south. Then she turns
Lubov Fominskaja [6]

Answer:

<em>17 miles</em>

Step-by-step explanation:

If Heidi starts out by traveling 15 miles south, then y = -15 miles

If she then turns and rides 8 miles east, then x = +8miles

The distance from her starting position to her tent is gotten using the pythagoras theorem as shown;

d = √(-15)²+8²

d = √225+64

d = √289

d = 17miles

<em>Hence her distance from her starting position to her tent is 17 miles</em>

6 0
3 years ago
Is(0,-2) a solution of x+y=6
sergiy2304 [10]

Answer:

no

Step-by-step explanation:

x+y=6

Substitute the point into the equation and see if it is true

0 + -2 = 6

-2 =6

This is not true so the point is not a solution

4 0
3 years ago
Read 2 more answers
NEED HELP PLEASE WHAT IS THE NUMBER IN THE QUESTION MARK
bekas [8.4K]

Answer:

i thing it is 2,if i wrong so sorry

6 0
3 years ago
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