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3 years ago

Help fast!! Choose the number line that represents the fraction equivalent to three-twelfths.

Mathematics

1 answer:

Firlakuza [10]3 years ago

8 0

Answer: B

1/4

Step-by-step explanation:

Multiply one times three, and four by three. It will equal to three out of twelve or 3/12. ( hope this helps)

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Please find the slope, using formula

koban [17]

Answer:

-.2857

Step-by-step explanation:

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3 years ago

Help please I will give Brainliest!!

matrenka [14]

Answer:

1- 12 inches

2- 12 x .7=8.4 inches next biggest doll

3- 8.4 x .7=5.88 inches next biggest doll

4-5.88 x .7=4.12 inches the last doll.

Step-by-step explanation:

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3 years ago

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A store sells 2 dozen cookies for $7.20 find the price per cookie

maria [59]

Answer:

$0.3 per cookie

Step-by-step explanation:

a dozen is 12 cookies. 2*12 = 24.

7.20/24 = 0.3

so each cookie costs 0.3 dollars

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4 years ago

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Find the solutions of the equation x4 − 2x3 − x2 + 2x = 0. (Enter your answers as a comma-separated list.)

Bad White [126]

Answer:

$S=\left \{ 0,-1,1,2 \right \}$

Step-by-step explanation:

There are several ways to solve this quartic equation. But since the coefficients, they repeat a=1,b=2,c=1,d=2, but e=0, and they are multiple of each other, then it is more convenient to work with factoring as the method of solving it.

As if it was a quadratic one.

$x^{4}-2x^{3}- x^{2} + 2x = 0\\x(x^{3}-2x^{2}-x+2)=0 \:Factoring \:out\\x[(x^{3}-2x^{2})+(-x+2)]=0 \:Grouping\\x[\mathbf{x^{2}}(x-2)+\mathbf{-1}(x+2)]=0 \:Rewriting\:the\:first\:factor\\x(x^{2}-1)(x-2)\:Expanding \:the \:first \:factor\\x(x-1)(x+1)(x-2)=0\\x=0,x=1,x=-1,x=2\\S=\left \{ 0,-1,1,2 \right \}$

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3 years ago

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What is the measure of ACE shown in the diagram below?

Doss [256]

Answer:

D. 29

Step-by-step explanation:

∠ACE is a secant- secant angle and is measured as half the difference of the intersecting arcs, that is

∠ACE = 0.5(m AE - m BD )

= 0.5 (106 - 48)° = 0.5 × 58° = 29° → D

7 0

4 years ago