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Mekhanik [1.2K]
2 years ago
12

Which diagram best shows how fraction bars can be used to evaluate 1/2 divided by 1/4?

Mathematics
1 answer:
Helga [31]2 years ago
3 0

Answer:

the second one

Step-by-step explanation:

2 halves make a whole. 1/2 + 1/2

4 fourths make a whole. 1/4 + 1/4 + 1/4 + 1/4

a half of a fourth is an eighth. 1/4 ÷ 1/2 = 1/8

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Factor the trinomial 2x^2+15x+7
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Answer:

(2x+1)(x+7)

Step-by-step explanation:

2x2+15x+7

For a polynomial of the form ax2+bx+c

, rewrite the middle term as a sum of two terms whose product is a⋅c=2⋅7=14 and whose sum is b=15

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Tap for more steps...

2x2+x+14x+7

Factor out the greatest common factor from each group.

Tap for more steps...

x(2x+1)+7(2x+1)

Factor the polynomial by factoring out the greatest common factor, 2x+1

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(2x+1)(x+7)

3 0
2 years ago
If the sum of a number and seven is tripled, the result is three less than twice the number. Find the number
hram777 [196]

Answer:

x = -24

Step-by-step explanation:

3(x + 7) = 2x - 3

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3 years ago
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The answer to the question is that the surface area is 48
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8 0
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vazorg [7]

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Step-by-step explanation:

Boy =50%

Girl =50%

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