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lina2011 [118]
4 years ago
6

Find the circumference and area of the circle to the nearest hundredth. Use 3.14 for . Round to the nearest hundredth if necessa

ry.
The circumference of the circle is about ____ cm.
The area of the circle is about ____ cm2.
Please answer!

Mathematics
1 answer:
Katena32 [7]4 years ago
6 0

Answer:

The circumference of the circle is about <u>166.42 </u>cm.

The area of the circle is about <u>2205.07 </u>cm².

Step-by-step explanation:

Diameter = 53 cm

Radius = r = 53cm/2 = 26.5 cm

π = 3.14

Circumference = C = 2 π r

C = 2(3.14)(26.5cm) = 166.42cm

The circumference of the circle is about 166.42cm.

Area = A = π r²

A = (3.14)(26.5cm)² = 2205.07 cm²

The area of the circle is about 2205.07 cm².

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Vladimir79 [104]

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Given that the height is 26 feet, the height of the stories of the building is 26-6=20 feet. therefore, the height of each story of the building is 20÷2=10

4 0
3 years ago
A local concert promoter purchases 2 3/4 od ads when one of the concerts is canceled the promoter cancels 1 5/8 pages of ads how
Shtirlitz [24]
In this question it is given that the promoter first purchased 2 3/4 of ads at first. When one of the concerts got cancelled, then the promoter cancels 1 5/8 pages of ads. It is required to be found the number of pages the promoter is using finally.
Number of pages bought by the concert promoter initially = 2 3/4
                                                                                             = 11/4 pages
Number of pages cancelled by the promoter
after one concert got cancelled = 1 5/8
                                                   = 13/8 pages
Then the total number of pages finally used by the promoter = (11/4) - (13/8)
                                                                                                 = (44 -13)/8
                                                                                                 = 31/8
                                                                                                 = 3 7/8 pages
So the total amount of space used for ads by the concert promoter is 3 7/8 pages.
4 0
3 years ago
You begin solving the equation 4−5x=59 by subtracting 4 from both sides. Which is the best choice for Step 2?
valentina_108 [34]
This Would Be Divide Both Sides By 5. You Have To Isolate The Variable To One Side Of The Equation So It Is By Itself.
3 0
3 years ago
Read 2 more answers
Please assist me with this problem​
Verizon [17]
<h3>Answers:</h3><h3>x = sqrt(10)</h3><h3>y = sqrt(5)</h3>

============================================

Explanation:

Naturally I start with x as that letter precedes y in the alphabet; however, it's easier to start with y because it is a leg of this triangle. We will then use the value of y to find x later.

For any 45-45-90 triangle, the two legs are the same length. So that's why we're able to quickly see that y = sqrt(5)

To get the hypotenuse, we multiply the leg length by sqrt(2). This trick only works for 45-45-90 triangles.

hypotenuse = leg*sqrt(2)

x = sqrt(5)*sqrt(2)

x = sqrt(5*2)

x = sqrt(10)

The rule I used is sqrt(a)*sqrt(b) = sqrt(a*b)

----------------

An alternate path is to use the pythagorean theorem to find x

a^2+b^2 = c^2

(sqrt(5))^2 + (sqrt(5))^2 = x^2

5 + 5 = x^2

10 = x^2

x^2 = 10

x = sqrt(10)

3 0
3 years ago
Read 2 more answers
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