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3 years ago

[(25-11)+(15-9)]/5 Please help

2 answers:

6 0

First you subtract 11 from 25 and then subtract 9 from 15 and then add the differences together and then divide by 5 and you get 4.

hichkok12 [17]3 years ago

5 0

4
put it in a calculator and include all the parentheses

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Hey guys, I need help with these questions. I need them done by today! Please, help :( There are 4 questions or more I think, I

Orlov [11]

Answer:

Step-by-step explanation:

Domain x^2 - 9 {Solution: - infinity < x < infinity}

Interval notation (- infinity, infinity)

Range of x^2 - 9 (Solution: f(x) is greater than or equal to - 9)

Interval notation (-9, infinity)

Axis interception points of x^2 - 9:

X- intercepts (3, 0) (-3, 0)

Y-intercepts (0, -9)

Vertex of x^2 - 9: Minimum (0, -9)

Solve for f:

f (x) = x^2 - 9

Step 1: Divide both sides by x.

fx / x = x^2 - 9 / x

f = x^2 - 9 / x

Answer:

f = x^2 - 9 / x

8 0

1 year ago

PLEASE HELP MEEEEEEEEEE

Alona [7]

Answer:

Step-by-step explanation:

here's your solution

=> Both the traingle are similar hence ,

=> it's corresponding sides are in equal ratio

=> so,8/20 = 6/y

=> 8y = 20*6

=> y= 20*6/8

=> y = 15

 hope it helps

4 0

3 years ago

Which is the best estimate of the correlation coefficient for the variables in the scatter plot?

V125BC [204]

By using a scatter plot we can get the relationship of two variables or correlation.

There will be two types of correlation.

If the data of the plot show a positive slope of the estimated line then it will be a positive correlation.

Now a correlation value lie between 0 to 1 if it is very close to 0 like 0.1 , 0.2 then we can say the correlation is weak psitively correlated. and if it will be close to 1 like 0.8 or 0.9 then the correlation will be strong.

Similarly if slope of the estimated line will be negative then it will be a negative correlation.

From the above scatter plot notice that it has a negative slope and we can draw a fair estimate line on this scatter plot. So, there is strong negative correlation.

Hence the correct choice is -0.8.

3 0

3 years ago

What translation is made from f(x) → -f(x)?

Hunter-Best [27]

Answer: The correct answer is “this is a reflection across the x-axis”