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3 years ago

- |2| what does this mean?

Mathematics

2 answers:

Lady_Fox [76]3 years ago

4 0

| | these are absolute value brackets anything in the brackets will always be positive

Helga [31]3 years ago

3 0

-2 is the answer

Step-by-step explanation:

-2 is the answer because any thing with | | around it means it's a positive number. but the negative sign makes it negative.

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the point 3,2 lies on a circle.what is the exact length of the radius of this circle if the center is located at (-1,-4)

Crazy boy [7]

You can use the distance formula to solve this.

Distance Formula:
$d = \sqrt{(X_2 -X_1)^2 + (Y_2 - Y_1)^2}$

I am going to use point (3,2) as point 1 and (-1,-4) as point 2
Insert the points into the formula
$d = \sqrt{(X_2 -X_1)^2 + (Y_2 - Y_1)^2}$
$d = \sqrt{((-1) - 3)^2 + ((-4) - 2)^2}$
Solve:
$d = \sqrt{((-1) - 3)^2 + ((-4) - 2)^2}$
$d = \sqrt{(-4)^2 + (-6)^2}$
$d = \sqrt{16 + 36}$
$d = \sqrt{52}$
$d = \sqrt{52} = \sqrt{4}\sqrt{13}$
$d = \sqrt{52} = 2 \sqrt{13}$
$d = 2 \sqrt{13}$
$radius = 2 \sqrt{13} = 7.2111$

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3 years ago

What is the answer for 2|-16.75

adoni [48]

21 - 16.75 is 4.25. Do the problem on a calculator and you'll get it.

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3 years ago

A recipe makes 6 2/3 cups. The serving size is 5/6 cup. How many servings does the recipe make?

Dmitry [639]

Answer is a I just know

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2 years ago

Which of the following is not a solution to the inequality

RUDIKE [14]

Answer: A 4

step by step explmationn

6 0

2 years ago

Read 2 more answers

4(a + 2) = 14 – 2(3 – 2a) –2 –1 no solution all real numbers

Ray Of Light [21]

All real numbers.

$\boxed{TRUE}$

Step-by-step explanation:

Distributive property: a(b+c)=ab+ac

Expand: 4(a+2)=4a+8

Expand again: 14-2(3-2a)=4a+8

4a+8=4a+8

You subtract by 8 from both sides of an equation.

4a+8-8=4a+8-8

Simplify.

4a=4a

Then, subtract by 4a from both sides of an equation.

4a-4a=4a-4a

Finally, simplify.

4a-4a=0

0=0

True

All real numbers is the final answer.

Hope this helps you!

Have a nice day! :)

4 0

2 years ago