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Mama L [17]
3 years ago
14

A circular rug has a radius of 3 ft. What is the circumference of the rug? Use 3.14 for mc014-1.jpg.

Mathematics
2 answers:
solniwko [45]3 years ago
7 0

Answer: D: 18.84

Step-by-step explanation:

Pavel [41]3 years ago
3 0
Hello!

We must use a certain formula to find the circumference of anything circular.

The formula is:

C = 2 × pi × r

We know that pi = 3.14 approximately and the radius is 3 feet.

Substitute:

C = 2 × 3.14 × 3

C = 6.28 × 3

C = 18.84 ft

ANSWER:

The circumference of the circular rug is 18.84 ft. (Last option)
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A fair die is cast four times. Calculate
Anestetic [448]

Answer:

0.1319 or 13.2%

Step-by-step explanation:

You can solve this using the binomial probability formula.

The fact that "obtaining at least two 6s" requires you to include cases where you would get three and four 6s as well.

Then, we can set the equation as follows:

P(X≥x) = ∑(k=x to n) C(n k) p^k q^(n-k)

n=4, x=2, k=2

when x=2  (4 2)(1/6)^2(5/6)^4-2 = 0.1157

when x=3  (4 3)(1/6)^3(5/6)^4-3 = 0.0154

when x=4 (4 4)(1/6)^4(5/6)^4-4 = 0.0008

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4 0
3 years ago
Please hurry. Have to submit this soon.
AlekseyPX
In 1 hour, Antoine travels 1.75 mi by dividing 5.25 by 3. So, after lunch, he hiked 4 hours. 1.75 times 2 is 3.5 mi every hour after lunch. So, 3.5 times 4 is 14 mi. + 5.25 is 19.25 mi., or 19 1/4 miles.
8 0
3 years ago
Which expression is equivalent to (3x^5+8x^3)-(7x^2-6x^3)
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Answer: look at the picture that the answer to it

Step-by-step explanation: Hope this help :D

7 0
3 years ago
Can someone help me on this ;-;
goldfiish [28.3K]

Answer:

4m+4

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6 0
3 years ago
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Five pounds is equal to 2.268 kilograms. How many kilograms is 2 pounds?
Rudik [331]
<h2>Mass conversion</h2>

<em>Mass is the amount of matter that a body possesses and its unit in the </em><em>international system</em><em> of units is the</em><em> kilogram.</em>

<h3>How many kilograms is 2 pounds?</h3>
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<h3><em>Therefore ⇒ 2 lb * 1 kg / 2.205 lb =  0.907 kg</em></h3>

<em />

Answer: In 2 pounds there are 0.907 kilograms.

4 0
2 years ago
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