Solve for d. 5 d > 5 − d a. d > 6 b. d > 0 c. d < −5 d. d > −10

1 answer:

3 0

5 + d > 5 - d
d + d > 5 - 5
2d > 0
d > 0

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yKpoI14uk [10]

A binomial squared is written like

$x^2+2ax+a^2$

So, we have $2a=6 \iff a=3$

So, we want to complete the square $(x+3)^2 = x^2+6x+9$

We can add and subtract 9 to write

$x^2+6x = x^2+6x+(9-9) = (x^2+6x+9)-9 = (x+3)^2-9$

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3 years ago

Rzqust [24]

Answer: x = 13/5

Explanation:

(x+4)/(3x+1) = 3/4

Cross multiply:

4(x+4) = 3(3x+1)
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x = -13/-5
x = 13/5

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3 years ago

Zanzabum

Answer:

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Step-by-step explanation:

substitute y with -5+8

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2 years ago

allochka39001 [22]

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3 years ago

Ad libitum [116K]

You can use a calculator online you know? It is 21.3

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