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3 years ago

Find the perimeter of the figure to the nearest hundredth.

Mathematics

1 answer:

beks73 [17]3 years ago

5 0

Answer:

28.87 inch

Step-by-step explanation:

The perimeter of a figure is the sum of the length of the boundary sides of the figure surrounding it.

For the above figure the perimeter is the sum of the three sides of the rectangle and circumference of the semicircle.

Diameter of the semicircle forming in the figure is 5 inch(given)

Circumference of the semicircle forming in the figure = $\pi r$

$3.14*2.5= 7.85 inch$ : $\pi =22/7=3.14$

The perimeter of the above given figure = $5 inch+7inch+7inch+7.85 =26.87 inch$

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In AIJK, the measure of K=90°, IJ = 8.6 feet, and KI = 4.5 feet. Find

azamat

Answer:

58.4

Step-by-step explanation:

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3 0

3 years ago

If the actor is to the audience’s right the actor is _______.

kati45 [8]

I think the answer is stage left because if you flip your view point, you'll get stage left.
Hopefully that helped! :)

7 0

3 years ago

Three fourths divided by one eighths

Ilya [14]

3/4÷1/8 is the same as 3/4×8/1.
3×8=24
4×1=4
That becomes 24/4 which simplifies to 6. Your answer is 6.

4 0

3 years ago

Complete the blank with either ∈ or ∉ so that the resulting statement is true. −2__{−6,−3,−5,−1}

Misha Larkins [42]

Answer:

−2 ∉ {−6,−3,−5,−1}

Step-by-step explanation:

Given

Set = {−6,−3,−5,−1}

Element = -2

Required

The interpretation of the question is to state if -2 is an element of the given set or not

The first thing to do is to check through the set to count the number of occurrence of -2

Looking through Set = {−6,−3,−5,−1}, we have that the occurrence of -2 is 0

This implies that -2 is not an element of the given set and this is represented by the symbol ∉

Hence:

−2 ∉ {−6,−3,−5,−1}

7 0

3 years ago

A public health department wants to determine the rate that parents of teen boys are choosing to vaccinate their sons for HPV wi

viktelen [127]

Answer:

The correct option is B

Step-by-step explanation:

From the question we are told that

The sample size is $n = 64$

The proportion that choose to vaccinate the teen boys is $\r p = 0.12$

considering the first statement

The 95% confidence interval is 12% ± the margin of error*standard deviation is false because

The 95% confidence interval is is %12 ± the margin of error

considering the second statement

The confidence interval should not be calculated due to the small sample size is true because from the central limit theorem

np = 64 * 0.12 = 7.68

and this value is less than 10 hence the confidence interval should not be calculated

considering the third statement

A 99% confidence interval will be smaller than the 90% confidence interval is false

This is because as the confidence level increase (for example from 90% to 99%) the margin of error increase which increases the confidence interval

5 0

3 years ago