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SIZIF [17.4K]
3 years ago
15

The diameter of a circle is ___________the length of its radius?

Mathematics
1 answer:
serg [7]3 years ago
8 0

Answer:

Twice the length of the radius

Step-by-step explanation:

A radius by definition is half of the diameter which means the diameter is twice the radius.

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Cindy works on the weekends at the local coffee shop. Last Saturday she worked 7.5 hours and
Arlecino [84]

Answer: H. 139.50

Step-by-step explanation:

Multiply 9 by 8 first and you get 72. Then multiply 9 by 7.5 and you get 67.5 then add 72 and 67.5 and you get 139.5 or 139.50

3 0
3 years ago
El triple de un número disminuido en 4 se convierte en - 10 que número es??? ​
Slav-nsk [51]

Answer:

-2

Step-by-step explanation:

3x-4=-10\\3x=-10+4\\3x=-6\\x=-2

4 0
3 years ago
HELPPP PLS<br> The polygons to the right are similar. Find the value of each variable. show work
Trava [24]

Answer:

7/24

Step-by-step explanation:

The simplest form of 14/48 is 7/24  

Steps to simplifying fractions

Find the GCD (or HCF) of numerator and denominator

GCD of 14 and 48 is 2

Divide both the numerator and denominator by the GCD

14 ÷ 2

48 ÷ 2

Reduced fraction:

7

24

Therefore, 14/48 simplified to lowest terms is 7/24.

5 0
2 years ago
A circle is graphed on this coordinate plane. What is the radius in units of the circle and what is the equation of the circle?​
Anastasy [175]

Answer:

The radius is 4 units, and the equation of the circle is:

(x - 3)^2 + (y + 5)^2 = 16

Step-by-step explanation:

A circle centered at the point (a, b) and with a radius R, is written as:

(x - a)^2 + (y - b)^2 = R^2

In the image, we can see that a segment that cuts the circle in two halves is the segment between the points:

(-1, -5) and (7, - 5)

The distance between these points is the diameter of the circle.

Remember that the distance between two points (x₁, y₁) and (x₂, y₂) is:

D = √( (x₂ - x₁)^2 + (y₂ - y₁)^2)

Then in this case, the distance between the known points is:

D = √( (7 - (-1))^2 + (-5 - (-5))^2)

D = √( 8^2) = 8

The diameter of the circle is 8

Then the radius is:

R = 8/2 = 4

the radius is 4.

Now, to find the center of the circle we just need to go to any of the two extremes of the interval and count 4 units towards the center of the circle, this is:

(-1 + 4, -5) = (3, -5)

or

(7 - 4, -5) = (3, -5)

Then the center of the circle is the point (3, -5) and the radius is R = 4

The equation of the circle is:

(x - 3)^2 + (y - (-5))^2 = 4^2

(x - 3)^2 + (y + 5)^2 = 16

8 0
3 years ago
Pls help me I’ve been asking this question for so long now nobody will answer
forsale [732]
Answer: A

The y-intercept is 43, which means that at 0 hours it was 43 degrees. The slope is -2 so it means that the temperature is decreasing at a rate of 2 degrees per hour.
5 0
3 years ago
Read 2 more answers
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