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AveGali [126]
3 years ago
13

Look at the formula for the area of a circle below. . . A = 3.14(pi)r2 . . Which of the following equations can be used to solve

for the radius (r)?
Mathematics
1 answer:
zaharov [31]3 years ago
6 0
<span>You did not include the equations that you want to assess whether they can be used to solve for the radius (r). Likely, the equation of the circumference, C = 2*Pi*r is included, if so => r = C / (2*Pi). If you round Pi to 3.14, the equation may be written r = C / 6.28.</span>
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The price of a calculater has decreased from $200 to $150. What is the percentage of decrease?
Ivanshal [37]

Answer:

25%

Step-by-step explanation:

200-150=50

50/200=0.25

have a nice day!

5 0
3 years ago
Shanti began to draw a Venn diagram comparing refracting and reflecting telescopes. 2 overlapping circles. The left circle label
iren2701 [21]

The label could be written in the area marked X as "Uses a convex eyepiece lens". Then the correct option is D.

<h3>What are Sets?</h3>

Sets are the collection of well-defined elements. A set is represented by a capital letter symbol and the number of elements in the finite set is shown as curly bracket {..}.

<h3>What is the Venn diagram?</h3>

It is the representation of the sets by the diagram. And shows the condition that is generated between them by the overlapping of the circle.

Shanti began to draw a Venn diagram comparing refracting and reflecting telescopes. The two overlapping circles.

The left circle is labeled Refracting telescopes.

The right circle is labeled Reflecting Telescopes.

An X in the overlap. Both as a label below and outside the overlap.

From the figure, we can say that the label could be written in the area marked X as "Uses a convex eyepiece lens".

Then the correct option is D.

More about the set link is given below.

brainly.com/question/8053622

7 0
2 years ago
What is the sum of the measures of the interior angles of this polygon?
natita [175]

Answer: 540

Step-by-step explanation:

A pentagon has a 3 diagonals so you multiply 180 by 3 which equals 540

5 0
3 years ago
I feel so d u m b right now asking so many questions T^T
Alexus [3.1K]
Heyy it’s 1:50! you would put the original two numbers in a ratio 16:800 divide by 8 and get 2:100 then divide by 2 and get 1:50!
5 0
3 years ago
Read 2 more answers
Factor completely...I need help with my algebra 2 assignment!
Effectus [21]
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2.) (3x-4) (x^2 +3)

3.) 2x(2x-5) (x-4)

4.) (4x+3) (2x^2 +1)

5.) (4x-5) (16x^2 + 20x+25)

6.) (x+2) (x-2) (x^2+3)

7.) 2x^2(2x+3) (4x^2-6x+9)

8.). (4x-1) (x+1) (x-1)

*Hope this helped, good luck :-)
3 0
3 years ago
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