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Maksim231197 [3]
3 years ago
8

What is the probability that a randomly selected number from 30 to 61 is divisible by 7 and then divisible by 20 after replacing

first?
Mathematics
1 answer:
devlian [24]3 years ago
7 0
Probability is zero. no solution
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Can someone help me
Rama09 [41]

Answer:

There is no solution

Step-by-step explanation:

The lines never touch each other

7 0
3 years ago
What is the average rate of change for the function f(x)=3x^2 -5 on the interval −3 ≤ x ≤ −1 ?
Anestetic [448]

Answer:

-12

Step-by-step explanation:

Let b = -1 and a = -3

The average rate of change = \frac{f(b) - f(a)}{b - a}

f(b) = f(-1) = 3(-1)^2 - 5 = 3 - 5 = -2

f(a) = f(-3) = 3(-3)^2 - 5 =27 - 5 = 22

f(b) - f(a) = -2 - 22 = -24

b - a = -1 + 3 = 2

\frac{f(b) - f(a)}{b - a} = -24/2 = -12

4 0
3 years ago
BRAINLIEST ASAP! PLEASE HELP ME :)
masha68 [24]

Answer:

○\displaystyle 0 + 2kπ

Explanation:

<em>See above</em><em> </em><em>explanation</em>

I am joyous to assist you anytime.

5 0
4 years ago
The​ _____ _____, denoted modifyingabove p with caret​, is given by the formula modifyingabove p with caretequals​_____, where x
elena-14-01-66 [18.8K]

Answer:

Sample proportion ; phat

x / n

Step-by-step explanation:

The sample proportion may be explained as a proportional representation of part of the population or larger sample which have a certain character or exhibit a particular trait.

The sample proportion is expressed Mathematically as ;

phat = x / n

x = number of subjects with a specified characteristic ;

n = total sample size

For instance ;

The proportion of black balls in a sample of 100 balls is 15 ; the sample proportion of bla k balls will be :

phat = x / n = 15 / 100 = 0.15

5 0
3 years ago
Can you find the volume of this cylinder for me please??
Morgarella [4.7K]

Answer:

37.7 inches

Step-by-step explanation:

V=πr^2h

Is the formula for the volume of a cylinder

^2 is exponent 2

r is the radius (2) and h is the height (3)

6 0
3 years ago
Read 2 more answers
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