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3 years ago

The water temperature decreases from 100 c in 5 2/5 minutes what was the change the temperature each minute

Mathematics

1 answer:

Allisa [31]3 years ago

8 0

The answer is 15 degC per minute “I hope this helps

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The average number of employees that call in sick for the day over the course of a year is 25. The number of employees that call

morpeh [17]

Answer:

sample mean (x with the bar on top) =24

Step-by-step explanation:

Take the mean of all the number of employees but divide by the number of days size: (25+10+16...)/12=25

population mean (mu) =11.52

The same goes for the other one but divide by the population which is 25

4 0

3 years ago

Which function is a quadratic function?<br>O UX=+3x-8<br>VX=2x+89x<br>X=X3x4<br>72-3

Alex Ar [27]

Answer:

X^3x4

Step-by-step explanation:

Anything that has an x to the power of somthing greater than 1 is a quadratic function.

8 0

3 years ago

Find the least common denominator for these two rational expressions. B/b^2 -64 -7b/b^2+7b-8

san4es73 [151]

Answer:

The least common denominator is (b-8)(b+8)(b-1)

Step-by-step explanation:

We are given expression as

$\frac{b}{b^2-64}-\frac{7b}{b^2+7b-8}$

Firstly, we will factor both denominators

$b^2-64=b^2-8^2=(b-8)(b+8)$

$b^2+7b-8=(b+8)(b-1)$

so, we can plug it back

$\frac{b}{(b-8)(b+8)}-\frac{7b}{(b+8)(b-1)}$

First term denominator is

(b-8)(b+8)

Second term denominator is

(b+8)(b-1)

So,

Least common denominator will be

(b-8)(b+8)(b-1)

So, we get

$LCD=(x-8)(x+8)(x-1)$

3 0

3 years ago

What is the average rate of change from x = -3 to x = 3

andrey2020 [161]

I believe it is -1 since -3 times -1 equals 3 and the rate of change is based on the slope of a line

5 0

3 years ago

Which of the following is a radical equation???

MaRussiya [10]

Maybe D ??

Step by step explanation

4 0

3 years ago