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Margaret [11]
2 years ago
9

A circle has a radius of 19 cm. Find the radian measure of the central angle that intercepts an arc of length 4 cm.

Mathematics
1 answer:
Alona [7]2 years ago
6 0

Answer:

1134

Step-by-step explanation:

\pi \: radius  \: 2

=1134.114948

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What is the measure of angle A?
NikAS [45]

Answer:

78

Step-by-step explanation:

in a quadrilateral that's inscribed in a circle, opposite angles are supplementary.

102+78=180

3 0
3 years ago
Please help I am on number 1 please explain
jeka57 [31]
A % is out of a hundred, so you don't need the %/100. Then, you wouldn't do cross multiplication, you would just divide 15/27. Remember, it would be 15/27  because it's percent markup, not the percent the price increased by. So, doing that simple calculation on a calculator you get 0.5555. This converted to a percent is just moving the decimal to the right twice, or multiplied by a 100. That would give you 55.55%, and that's your answer. Make sense?
5 0
3 years ago
In a state where license plates contain six digits, what is the probability that the license number of a randomly selected car h
andre [41]

Answer:

Step-by-step explanation:

Given : In a state where license plates contain six digits.

Probability of that a number is 9 = \dfrac{1}{10}   [Since total digits = 10]

We assume that each digit of the license number is randomly selected  .

Since each digit in the license plate is independent from the other  and there is only two possible outcomes for given case (either 9 or not), so we can use Binomial.

Binomial probability formula:  P(X=x)=^nC_xp^x(1-p)^{n-x}

, where n= total trials , p = probability for each success.

Let x be the number of 9s in the license plate number.

X\sim Bin(n=6, p=\dfrac{1}{10}})

Then, the probability that the license number of a randomly selected car has exactly two 9's will be :

P(X=2)=^6C_2(\dfrac{1}{10})^2(1-\dfrac{1}{10})^{6-2}\\\\=\dfrac{6!}{2!(6-2)!}(\dfrac{1}{100})(\dfrac{9}{10})^4=0.098415

Hence, the required probability = 0.098415

5 0
3 years ago
A.P.E.X Algebra 1 Sem 2
murzikaleks [220]

Answer:

Data Set C

Step-by-step explanation:

You can see that the data is best fit and better looking and fitting to the line in the data set C.

3 0
2 years ago
What number is 90% of 350?
tatyana61 [14]

Answer:

315

Step-by-step explanation:

10% of 350 is 35 so 35 times 9 would equal <u><em>315</em></u>

7 0
2 years ago
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