3 years ago

If the number is divisible both 3 and 4, find the greatest common fact

Mathematics

1 answer:

madam [21]3 years ago

8 0

12 | 3*4=12 therefor any number that is divisible by 3 and 4 is also divisible by 12

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xP(x)00.2510.0520.1530.55Find the standard deviation of this probability distribution. Give your answer to at least 2 decimal pl

Nookie1986 [14]

The Solution:

Given:

Required:

Find the standard deviation of the probability distribution.

Step 1:

Find the expected value of the probability distribution.

$E(x)=\mu=\sum_{i\mathop{=}0}^3x_iP_(x_i)$ $\begin{gathered} \mu=(0\times0.25)+(1\times0.05)+(2\times0.15)+(3\times0.55) \\ \\ \mu=0+0.05+0.30+1.65=2.0 \end{gathered}$

Step 2:

Find the standard deviation.

$Standard\text{ Deviation}=\sqrt{\sum_{i\mathop{=}0}^3(x_i-\mu)^2P_(x_i)}$ $=(0-2)^2(0.25)+(1-2)^2(0.05)+(2-2)^2(0.15)+(3-2)^2(0.55)$ $=4(0.25)+1(0.05)+0(0.15)+1(0.55)$ $=1+0.05+0+0.55=1.60$

Thus, the standard deviation is 1.60

Answer:

1.60

8 0

1 year ago

Write and solve a system of THREE inequalities that models the situation below.

emmasim [6.3K]

Answer:

x = cupcakes

y = cookies

3x + 1y ≥ 205

x cupcakes at $3 each plus y cookies at $1 each is greater than or equal to $205

Step-by-step explanation:

6 0

2 years ago

Mary is three times as old as her son. In 12 years Mary will be twice as old as her son. How old is each of them now? ANSWER QUI

BartSMP [9]

Mary is 36 and her son is 12

m=3s

m+12=2s+24

12= -s+24

s=12

3 0

3 years ago

Read 2 more answers

What is the domain of the function y=2 x-5?<br> O x>-5<br> O x>2<br> O x>5<br> O x>10

antiseptic1488 [7]

That’s a good one Because what is the domain of the function Y equals 2X

3 0

3 years ago

What is f(7) for the rule of f(x)=-5x+10

Anna35 [415]

Answer:

f(7) = - 25

Step-by-step explanation:

To evaluate f(7) substitute x = 7 into f(x), that is

f(7) = - 5(7) + 10 = - 35 + 10 = - 25

8 0

3 years ago