3 years ago

PLS HELP ASAP What is the positive number that is 7 times its rightmost digit?????

Mathematics

1 answer:

SSSSS [86.1K]3 years ago

7 0

Answer:

Step-by-step explanation:

Uh-

7 is 7 times more than 1

You might be interested in

150% of what number is 60?

castortr0y [4]

Th answer would be 40:)

5 0

3 years ago

Simplify the expression 4 + 23−|−4| <br> A.16 B.4 C.8 D.12

Artyom0805 [142]

Answer: =23

Step-by-step explanation:

$4+23-\left|-4\right|$

$=4+23-4$

$=23$

7 0

2 years ago

The total weight of 25 bags of rice, 23 bags of flour and 19 bags of sugar is 2,719 pounds. Each bag of rice weighs 35 pounds an

Tems11 [23]

Just do 25 23 then what

4 0

3 years ago

I need help ASAP will mark you the brainliest

Leokris [45]

Answer:

Step-by-step explanation:

longer leg/shorter leg = longer leg/shorter leg

10/5 = 5/2.5

8 0

3 years ago

Find the variance of the following data. Round your answer to one decimal place. x 1 2 3 4 5 P(X=x) 0.3 0.2 0.2 0.1 0.2

Reptile [31]

The variance of a distribution is the square of the standard deviation

The variance of the data is 2.2

<h3>How to calculate the variance</h3>

Start by calculating the expected value using:

$E(x) = \sum x* P(x)$

So, we have:

$E(x) = 1 * 0.3 + 2* 0.2 +3 * 0.2 + 4 * 0.1 + 5 * 0.2$

This gives

$E(x) = 2.7$

Next, calculate E(x^2) using:

$E(x^2) = \sum x^2* P(x)$

So, we have:

$E(x^2) = 1^2 * 0.3 + 2^2* 0.2 +3^2 * 0.2 + 4^2 * 0.1 + 5^2 * 0.2$

$E(x^2) = 9.5$

The variance is then calculated as:

$Var(x) = E(x^2) - (E(x))^2$

So, we have:

$Var(x) = 9.5 - 2.7^2$

$Var(x) = 2.21$

Approximate

$Var(x) = 2.2$

Hence, the variance of the data is 2.2