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____ [38]
2 years ago
8

GIVING BRAINLEST TO THE PERSON THAT CAN EXPLAIN HOW TO DO THIS THE BEST :)

Mathematics
1 answer:
algol132 years ago
3 0
Cut the square in half and use pythagorean thereom to solve for the long side of the triangle or it’s diameter.
a^2 + b^2 = c^2

8^2 + 8^2 = c^2
64 + 64 = c^2
128 = c^2 …square root both sides
c = 11.3137 (diameter)

radius is half diameter

r = 5.6569

Then you can subtract the area of a square a=bh from the area of the circle a = pi(r)^2.

a = (8)(8) the square’s area is 64.

a = pi (5.6569)^2
a = pi (32) the circle’s area is 32pi

so subtracting the area of the square from the circle is 32pi - 64.

Therefore it is the last selection 32pi - 64.




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I WILL GIVE 20 POINTS TO THOSE WHO ANSWER THIS QUESTION RIGHT NOOOO SCAMS AND EXPLAIN WHY THAT IS THE ANSWER
Vitek1552 [10]

Answer:

Step-by-step explanation:

The answer is 7, Because if AC is 12 the radius would be half of that and you would get 7.

Hope I helped.

6 0
2 years ago
Question 30 of 40
statuscvo [17]

The Reference angle for 302 degree is 58 degree.

<h3 /><h3>What is Reference Angle?</h3>

The acute angle formed by the terminal arm or terminal side and the x-axis is known as the reference angle.

There is always a positive reference angle.

The reference angle is, in other words, the angle formed by the terminal side and the x-axis.

Reference angle is given by

Ф = 360° - Given angle

Ф = 360° - 302°

Ф = 58°

Option A is right answer.

To know more about reference angle visit : -

brainly.com/question/1603873

#SPJ13

5 0
1 year ago
After an extensive advertising campaign, the manager of a company expects the proportion of potential customers that recognize a
lina2011 [118]

Answer:

Step-by-step explanation:

Hello!

The study variable is:

X: number of customers that recognize a new product out of 120.

There are two possible recordable outcomes for this variable, the customer can either "recognize the new product" or " don't recognize the new product". The number of trials is fixed, assuming that each customer is independent of the others and the probability of success is the same for all customers, p= 0.6, then we can say this variable has a binomial distribution.

The sample proportion obtained is:

p'= 54/120= 0.45

Considering that the sample size is large enough (n≥30) you can apply the Central Limit Theorem and approximate the distribution of the sample proportion to normal: p' ≈ N(p;\sqrt{\frac{p(1-p)}{n} })

The other conditions for this approximation are also met: (n*p)≥5 and (n*q)≥5

The probability of getting the calculated sample proportion, or lower is:

P(X≤0.45)= P(Z≤\frac{0.45-0.6}{\sqrt{\frac{0.6*0.4}{120} } })= P(Z≤-3.35)= 0.000

This type of problem is for the sample proportion.

I hope this helps!

5 0
2 years ago
A mechanic had a bolt with a diameter of 2/9 inch. Will the bolt fit into a hole with a diameter of 0.2 inch.
Naddik [55]

Answer:

No, the bolt won't fit into the hole

Step-by-step explanation:

We need to convert the diameter of the bolt into decimal by dividing:

2/9 = 0.222...

The hole has diameter of 0.2

<em>Hence, 0.222 is larger than 0.2, so the bolt won't fit.</em>

3 0
3 years ago
What’s 6 (3x + 5) please
olga nikolaevna [1]

6(3x+5)

6*3x=18x

6*5=30

<u>18x+30</u> is your answer! I hope this helped! :)

5 0
2 years ago
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