3 years ago

What property is illustrated? (4•-7) •5 = 4 (-7•5)

Mathematics

1 answer:

nordsb [41]3 years ago

8 0

The associative property because you are moving the parentheses

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Find the radius of a circle with a circumference of 45π centimeters.

kozerog [31]

Answer:

22.5 cm

Step-by-step explanation:

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4 years ago

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A cone has a volume of 1570 cubic inches. Which of the following gives the volume of a cylinder with the same radius and same he

Hitman42 [59]

The volume of the cylinder is 4710 cubic inches

Step-by-step explanation:

Volume of the cone = 1570 cubic inches

Volume of cone = 1/3(volume of the cylinder)

So,

Volume of the cylinder = 3(volume of the cone)

Volume of the cylinder = 3(1570)

= 4710 cubic inches

The volume of the cylinder is 4710 cubic inches

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3 years ago

If mZDCB = 140°, then mZACD = [?]° !!!PLS HELP I WILL MARK BRAINLIEST !!!

Readme [11.4K]

Answer:

40°

Step-by-step explanation:

$m\angle DCB +m\angle ACD = 180\degree$ (Linear pair angles)

$\implies 140\degree +m\angle ACD = 180\degree$

$\implies m\angle ACD = 180\degree-140\degree$

$\implies m\angle ACD = 40\degree$

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2 years ago

Find the 6th term in the expansion of (x + 2)9.

Masja [62]

Answer:

$4032x^4$

Step-by-step explanation:

Use the 10th row of Pascal's Triangle to get you where you need to be. You need 10 rows because any polynomial raised to the 9th power has 10 terms. Those 10 terms are, in order:

1, 9, 36, 84, 126, 126, 84, 36, 9, 1

Setting up for the first 6 terms:

$1(x^9)(2^0)+9(x^8)(2^1)+36(x^7)(2^2)+84(x^6)(2^3)+126(x^5)(2^4)+126(x^4)(2^5)+...$

The 6th term is the last one. It goes on from there, but I stopped at the 6th term, since that is what you need.

Simplifying gives us:

$126(x^4)(32)$

and multiplying gives us:

$4032x^4$

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3 years ago

Solve: 3(w – 2) ˃ 6w – 12

nignag [31]

Your answer is w < 2 hope this helps

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3 years ago

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