3 years ago

Instructions: Select the correct answer.

1 answer:

5 0

= 18 1/5 + 22 2/5 + 40 1/5
answer is D. last one

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irakobra [83]

Answer:

10, 5, 19

Step-by-step explanation:

Recall that

${a}^{2} - {b}^{2} = (a + b)(a - b)$

So we can multiply the fraction by

$\frac{2 \sqrt{5} + 1 }{2 \sqrt{5} + 1 }$

And get

$\frac{ \sqrt{5} }{2 \sqrt{5} - 1} \times \frac{2 \sqrt{5} + 1 }{2 \sqrt{5} + 1 } = \frac{10 + \sqrt{5} }{20 - 1} = \frac{10 + \sqrt{5} }{19}$

7 0

3 years ago

Helen [10]

15x - 30 = 10x + 5
15x - 10x -30 = 5
5x - 30 = 5
5x = 5 + 30
5x = 35
Divise by 5 on both sides to isolate x
x = 7 => answer

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3 years ago

Liono4ka [1.6K]

Answer:

picture? answers? need more information on this

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mariarad [96]

In order for a function to be one-on-one, no two elements of the domain may be paired with the same value of the range is true 100%

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4 years ago

Monica [59]

-24/150
-12/75
-4/25

-4/25 is the answer

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3 years ago