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Mrrafil [7]
3 years ago
13

(ASAP) NEED HELP ON FINDING THE AREA OF THIS FIGURE PLEAASEEEEEE :)

Mathematics
1 answer:
Firdavs [7]3 years ago
3 0

So we know the area of the square is 8*8 = 64 ft.

To find the area of a semi circle, you take the area of a normal circle, then divide it into 2, then add the diameter.

Area of circle: pi*r^2

D = 8

r = 4

3.14 * 4^2

3.14 * 16

50.24.

50.24 / 2 = 25.12.

25.12 + 8 = 33.12.

So the area of the square: 64

Area of 1 Semicircle: 33.12

Area of second semicircle: 33.12

64 + 33.12 + 33.12 = 130.24.

Hope this is correct and it helped!

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jony is twice as old as chika. jony is now 2 years old how old will chika be when jony is 30 years old
Serjik [45]
Jony is 2 now and is 2x older than Chika.  So Chika is 1 year old.  This means Chika is 1 year younger than Jony.  When Jony is 30, Chika is 29

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3 years ago
The value of Acme Stock decreased a total of $40 over the last 5 days. What integer represents the average decrease in stock val
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6 0
2 years ago
In a certain card game, for every 44 blue cards, there are 33 yellow cards. There are a total of 84 blue and yellow cards in the
worty [1.4K]
Use a proportion.

A ratio of 44 blue to 33 yellow is the same as a ratio of 4 blue to 3 yellow.

Since you are told the total of cards, 84, add 3 + 4 = 7

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4 blue to 7 total = x blue to 84 total

4/7 = x/84

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8 0
3 years ago
a researcher found that a cigarette smoker smokes on average 31 cigarettes a day. she feels that this average is too high. she s
Ivenika [448]

At 0.01 significance level the hypothesis is rejected.

Null Hypothesis (H₀): The sample data occurs purely from chance.

Alternative Hypothesis (H₁): The sample data is influenced by some non-random cause.

If the p-value of the hypothesis test is less than some significance level (e.g. α = .01), then we can reject the null hypothesis and conclude that we have sufficient evidence to say that the alternative hypothesis is true.

Given that,

x = 28

s = 2.9

μ = 31

n = 8

α = 0.01

Then, the Null Hypothesis : H₀ = 31

          The Alternate Hypothesis : H₁ < 31

The average number of cigeratte smoker  per day is less than 31.

Test Statistics:

t = x -μ / s√n

   = 28 - 31/ 2.9√8

   = -3/ 8.41

   = -0.356

Since the p-value of 0.0046 is less than the significance level of 0.01, the auditor rejects the null hypothesis.

Learn more about Null hypothesis:

brainly.com/question/28920252

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4 0
1 year ago
Patrick bought a pair of jeans which originally cost $88 at a 25% discount. How much was marked off the original price?
nekit [7.7K]
It should be 66 but im not that good at math
5 0
3 years ago
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