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wolverine [178]
3 years ago
13

The equation x squared + y squared = r squared

Mathematics
1 answer:
WITCHER [35]3 years ago
5 0
(5-0)^2+(-2+0)^2=r^2\\
25+4=r^2\\
29=r^2\\\\
\boxed{x^2+y^2=\sqrt{29}}
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What is the solution of the following equation? <br> -6p + 7=3(2p - 3) -4 (-10 + 4p)
saul85 [17]

Answer:

p=6

Step-by-step explanation:

- 6p + 7 = 3(2p - 3) - 4( - 10 + 4p) \\

p = 6

5 0
4 years ago
A retail variety store that advertises extensively by mail circulars expects a sale with 20% probability. Suppose 30 prospects a
KIM [24]

Answer:

The expected number of sales of this store from this sample of 30 is 6.

Step-by-step explanation:

For each prospect, there are only two possible outcomes. Either there is a trade, or there is not. Prospects are independent of each other. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

Probability of exactly x sucesses on n repeated trials, with p probability.

The expected value of the binomial distribution is:

E(X) = np

A retail variety store that advertises extensively by mail circulars expects a sale with 20% probability.

This means that p = 0.2

Suppose 30 prospects are randomly selected from a city-wide mailing.

This means that n = 30

What is the expected number (mean) of sales of this store from this sample of 30?

E(X) = np = 30*0.2 = 6

The expected number of sales of this store from this sample of 30 is 6.

4 0
3 years ago
What is the fifth term of (3 - x)^6?
Andrej [43]
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4 0
3 years ago
Degree 4; zeros: -3+2i; 2 multiplicity 2
enot [183]

Answer:

±4i, ±3

p(x) = A(x - 4i)(x + 4i)(x - 3)(x + 3), with A = 1.

Step-by-step explanation:

±4i, ±3

p(x) = A(x - 4i)(x + 4i)(x - 3)(x + 3), with A = 1.

8 0
2 years ago
The probability of a detasseler making less than $17/hr is ≈ %.
ELEN [110]

Answer:

99%

Step-by-step explanation:

5 0
3 years ago
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