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3 years ago

9

Two integers from 1 through 40 are chosen by a random number generator. write your answer as a fraction in simplest form a/b. p(

the same number is chosen twice)

1 answer:

jasenka [17]3 years ago

5 0

Probability is 1/40.

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Need help finding the answers

Alex777 [14]

8=384 9=248 hope this helped

7 0

3 years ago

Rob did 15 push-ups on Monday, but on Tuesday he did 3 more than on Monday. What was the percent change?

alisha [4.7K]

Answer:

20%

Step-by-step explanation:

8 0

3 years ago

Write the first five terms of the geometric sequence in which a1=64 and the common ratio is 5/4

natita [175]

Remember that finding terms in a geometric sequence is done by multiplying the previous term by a common ratio $r$ . For example, we can say:

$a_2 = a_1 r$

$a_3 = a_2 r = (a_1 r)r = a_1 r^2$

We have $a_1 = 64$ . To find $a_2$ , let's multiply this term by $\frac{5}{4}$ :

$a_2 = 64 \cdot \frac{5}{4} = 80$

Now, let's use this to find all of our other terms:

$a_3 = 80 \cdot \frac{5}{4} = 100$

$a_4 = 100 \cdot \frac{5}{4} = 125$

$a_5 = 125 \cdot \frac{5}{4} = \frac{625}{4}$

Thus, our terms are 64, 80, 100, 125, and (625/4).

8 0

3 years ago

Given P(A) = 0.56, P(B) = 0.45 and P(B|A) = 0.7, find the value of

miskamm [114]

Answer:

P(A and B) = P(AnB)

Step-by-step explanation:

$P( \frac{A}{B} ) = \frac{P(AnB)}{P(B)} \\from \: bayes \: theorem \\ P(AnB) = P(B) \times P( \frac{A}{B}) \\ = 0.45 \times 0.7 \\ = 0.315$

8 0

3 years ago

Read 2 more answers

What is the output of the expression 14/3<br>

hram777 [196]

I did

14/3=4 2/3

so the final answer is 4 and 2/3

8 0

3 years ago