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ArbitrLikvidat [17]
3 years ago
11

Find the area of the semicircle. Round your answer to the nearest hundredth. YEAH IVE BEEN STUCK ON THIS help please I need the

steps if possible:(

Mathematics
2 answers:
guapka [62]3 years ago
8 0

Answer:

=127.23

Step-by-step explanation:

we can start of by finding the area of a <em>CIRCLE</em>

18/2=9

9=radius

area of circle= pi*r squared

9 squared=81*pi=254.4690

<em>Now we can half the area of the circle to find out the area of the semi circle as a semi circle is just half a circle therefore half the area of a circle</em>

254.469/2=127.2345

127.2345=127.23

=127.23

Hope this helped

aivan3 [116]3 years ago
7 0

Answer:

your answer will be 127.17 sq in

Step-by-step explanation:

hope it helps you

have a wonderful day!!!

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What is the length of an arc with a central angle of 43? radians and a radius of 42 cm? use 3.14 for pi. round to the nearest hu
uysha [10]
L=R*angle, but the angle *must* be in radians. So, just translate 43 degrees into radians: 43 * pi / 180, and you'll get:

L = 42 * ( 43 * pi / 180 ) ~ 31.504666, which rounded to the nearest hundredth is 31.50 cm.
4 0
3 years ago
Is it 80% 70% 50% 60%
nexus9112 [7]

Answer:

50%

Step-by-step explanation:

As there are only two sides of the coin it will be 50% each.

7 0
3 years ago
Find the percent cost of the total spent on each equipment $36, fees $158, transportation $59
Evgen [1.6K]

Percent cost of the total spent on

each equipment = 14.23%,fees=62.45% and transportation = 23.32%.

As given in the question,

Money spent on

Each equipment = $36

Fees = $158

Transportation = $59

Total money spent = $( 36 + 158 + 59)

                             = $253

Percent cost of the total spent on

Each equipment = (36/253) × 100

                          = 14.23%

Fees = (36/253) × 100

        = 62.45%

Transportation =(36/253) × 100

                       = 23.32%

Therefore, percent cost of the total spent on

each equipment = 14.23%,fees=62.45% and transportation = 23.32%.

Learn more about percent here

brainly.com/question/14699403

#SPJ4

6 0
2 years ago
Graph y ≤ (x + 2)^2.
Leokris [45]

Answer:

Step-by-step explanation:

8 0
3 years ago
Someone do this please cause i fell asleep in class
aalyn [17]
Gas in July is 2.3 times Gas in June
That means Gas in July (252.57) equals 2.3 times gas in June, or “n”
242.57= 2.3 x n and solve for n
Divide both sides by2.3
Calculator gives 105.465
Rounded to nearest HUNDRED is 100

Rounded to nearest HUNDREDTH would be 105.47
Check the answer to see if July gas is 2.3 times June gas
June gas 105.47 x 2.3 is 242.57
So the answer is 105.47 Rounded to nearest hundredth
8 0
3 years ago
Read 2 more answers
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