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Mila [183]
3 years ago
10

Which of the following statements is FALSE about the circumference of a circle? PLEASE HELP

Mathematics
2 answers:
NeTakaya3 years ago
6 0

Answer:

what are the statements?

forsale [732]3 years ago
3 0

Answer: It's C=πr2

Step-by-step explanation: I took the test

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In how many ways can a quality-control engineer select a sample of3 transistors for testing frm a batch of 100 transistors?
Advocard [28]

Answer:

161700 ways.

Step-by-step explanation:

The order in which the transistors are chosen is not important. This means that we use the combinations formula to solve this question.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

In this question:

3 transistors from a set of 100. So

C_{100,3} = \frac{100!}{3!(100-3)!} = 161700

So 161700 ways.

6 0
3 years ago
If the radius of a circle with center 0 is 15.5, and the measure of angle AOB is 90, what is the length of arc AB?
Zina [86]

The circumference of the circle is found using the formula C = 2 PI r

Circumference = 2 *PI * 15.5 = 31pi

The angle is 90 degrees, which is 1/4 of a complete circle ( 360 degrees).

The arc length would be 1/4 of the circumference:

Arc length = 31pi / 4 = 7.75PI

3 0
2 years ago
Which equation represents the graphed function?
Neporo4naja [7]

Answer:

y=1/4x-2

Step-by-step explanation:

the first y axis number it touches is -2 and the slope is 1/4.

5 0
2 years ago
Read 2 more answers
What is 0.4% of $100
Anni [7]
0.4%, turn it into a decimal, which is 0.004
0.004*100= 0.4
8 0
3 years ago
Read 2 more answers
What are the factors of the quadratic function graphed below. Please show work , please help
dlinn [17]

Answer:

x and (x - 6)

Step-by-step explanation:

y = a(x - h)² + k

h = 3    k = -2

y = a (x - 3)² -2

For point (0 , 0) on the function

0 = a (0 - 3)² -2

0 = 9a - 2

a = 2/9

a (x - 3)² -2 = 2/9 (x² - 6x + 9) - 2 = 2/9 * x * (x - 6) + 2 - 2 = 2/9 * x * (x-6)

5 0
2 years ago
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