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3 years ago

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6d2+8d-5=0

Formula1" title="6d {}^{2} + 8d - 5 = 0 \\ " alt="6d {}^{2} + 8d - 5 = 0 \\ " align="absmiddle" class="latex-formula">

1 answer:

FromTheMoon [43]3 years ago

5 0

The answer is d= 1/4
hope this helps

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3 years ago

It takes Ivanna 3 minutes to complete 2 problems on her math homework . How long will it take Ivanna to complete 12 problems?

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Read 2 more answers

Verify a(b-c)=ab-ac for a=1.6;b=1/-2;& c=-5/-7

harina [27]

Given:

$a=1.6,b=\dfrac{1}{-2},c=\dfrac{-5}{-7}$

To verify:

$a(b-c)=ab-ac$ for the given values.

Solution:

We have,

$a=1.6,b=\dfrac{1}{-2},c=\dfrac{-5}{-7}$

We need to verify $a(b-c)=ab-ac$ .

Taking left hand side, we get

$a(b-c)=1.6\left(\dfrac{1}{-2}-\dfrac{-5}{-7}\right)$

$a(b-c)=1.6\left(-\dfrac{1}{2}-\dfrac{5}{7}\right)$

Taking LCM, we get

$a(b-c)=1.6\left(\dfrac{-7-10}{14}\right)$

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$a(b-c)=\dfrac{8}{5}\left(\dfrac{-17}{14}\right)$

$a(b-c)=-\dfrac{68}{35}\right)$

Taking right hand side, we get

$ab-ac=1.6\times \dfrac{1}{-2}-1.6\times \dfrac{-5}{-7}$

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$ab-ac=-\dfrac{4}{5}-\dfrac{8}{7}$

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Now,

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3 years ago

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<u>quadratic</u>

A's expression foiled would be 2x^2 + x - 6

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3 years ago