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3 years ago

9

The domain of a function f(x) is the set of all integers from 0 to 10, and the range of f(x) is the set of all in

1 answer:

e-lub [12.9K]3 years ago

6 0

I think that the correct answer is f(-1)=-8 and f(0)=-5
I hope this helps :D

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after 5 points are subtracted from every score, the sample mean is found to be m = 24. what was the mean for the original sampl

VladimirAG [237]

The answer is 29.........................

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3 years ago

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A definition of Associative property for addition and multiplication

kakasveta [241]

Answer:

To “associate” means to connect or join with something and The associative property states that you can add or multiply regardless of how the numbers are grouped. ... In other words, if you are adding or multiplying it does not matter where you put the parenthesis.

Step-by-step explanation:

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3 years ago

Which are the roots of the quadratic function f(b) = 62 – 75? Select two options.

elena55 [62]

Answer:

$b = 5 \sqrt{3} \ or\ b = -5 \sqrt{3}$

Step-by-step explanation:

Given

$f(b) = b^2 - 75$

Required

Determine the roots

To get the root of the function, then f(b) must be 0;

i.e. f(b) = 0

So, the expression becomes

$0 = b^2 - 75$

Add 75 to both sides

$75 + 0 = b^2 - 75 + 75$

$75 = b^2$

Take square roots of both sides

$\sqrt{75} = \sqrt{b^2}$

$\sqrt{75} = b$

Reorder

$b = \sqrt{75}$

Expand 75 as a product of 25 and 3

$b = \sqrt{25*3}$

Split the expression

$b = \sqrt{25} *\sqrt{3}$

$b = \±5 *\sqrt{3}$

$b = \±5 \sqrt{3}$

$b = 5 \sqrt{3} \ or\ b = -5 \sqrt{3}$

The options are not clear enough; however the roots of the equation are $b = 5 \sqrt{3} \ or\ b = -5 \sqrt{3}$

4 0

3 years ago

Find the coordinates of the missing endpoint if B is the midpoint of AC. C(-6,-2),B(-3,-5)

Margaret [11]

Answer:

A = (0, -8)

Step-by-step explanation:

B = (A+C)/2 . . . . the midpoint is the average of the end points

A = 2B -C = 2(-3, -5) -(-6, -2) . . . solve for A, substitute point values

A = (0, -8)

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3 years ago

Guys help me this is hard

Leokris [45]

Answer:

well 126/9=14 but is the other stuff factor families or something? like whats the question asking

Step-by-step explanation:

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3 years ago