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3 years ago

Which of the following points are NOT coplanar in this image -please help-

Mathematics

1 answer:

Lerok [7]3 years ago

3 0

It would be a because the points aren't all on the same plane aka one side of the shape

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3(x+2)-2(×+1) i need help with this problem

zhuklara [117]

Question:

What is 3(x + 2) - 2(x + 1)?

Steps:

When you solve this type of equation always use the distributive property formula to solve this equation!

Formula: a(b + c) = ab + ac

So, what is 3(x + 2) ?

3x + 6

Also, what is -2(x + 1)?

-2x - 2

Then, put it back into the equation for you to solve this problem.

So, this would be the new equation:

3x + 6 - 2x - 2

Then, what you want to do is put variables next to each other and the numbers next to each other so it will be easier to simplify:

3x - 2x + 6 - 2

Then, simplify:

x + 4 is the answer!

Since 3x - 2x = x and 6 - 2 = 4

Hope that helped!!

~Serina

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3 years ago

What is 25×10 to the power of 6 in standard form

Vsevolod [243]

So, 10^6 = 1,000,000 and 25*1,000,000 is equivalent to 25,000,000.

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3 years ago

Is negative 12 a rational number or is it a integer

Dovator [93]

-12 is an integer because all fractions are rational numbers.

8 0

3 years ago

Read 2 more answers

If the diameter of the semicircle is 1.7 centimeters, what is the circumference of the semicircle?

spin [16.1K]

The formula for circumference is $C=2 \pi r$ or $C= \pi d$ . We have a diameter for the semicircle, so let's use the diameter formula. $C= \pi (1.7)$ which is either $C=1.7 \pi$ or C = 5.338 if we multiply pi in as 3.14. BUT this is only half a circle, so we only have half that distance around the outside. Therefore, the circumference of half this circle is 2.669 cm. But we need to add the 24 mm in. 24 mm in centimeters is 2.4 cm. So 2.669 + 2.4 = 5.069

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3 years ago

Solve the following system of equations graphically.

fiasKO [112]

Step-by-step explanation:

work is shown and pictured

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3 years ago