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Jobisdone [24]
3 years ago
9

How do I simplify 0.5√ 16a^2 when a<0?

Mathematics
1 answer:
MArishka [77]3 years ago
7 0
6,-2?bd simply that $;&,
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Choose the correct algebraic expression to represent: 7 less than n
mariarad [96]

Answer

n-7

Step-by-step explanation:

it represents 7 less than n because you can subtract less than n because 7 is smaller

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If a large shake uses 8/9 pint of milk and a medium 1/7 of the amount of the large how much does the medium take?
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This is confusing someone help please
Marat540 [252]

Answer:

Below in BOLD.

Step-by-step explanation:

5x^2 - 6x - 2 = 0

Quadratic formula for ax^2 + bx + c = 0  is

x =  [-b ± √(b^2 - 4ac)]/ 2a    

Here we have a = 5, b = -6 and c = -2

so x =  [-(-6)  ± √((-6)^2 - 4*5*-2)]/ 2*5

=  [ 6 ± √(36 + 40)] / 10

= 0.6 ±  √76 / 10

= 0.6 ±  0.8718

= 1.4718,  -0.2718

= 1.5, -0.3 to one decimal place.

x^2 + 3x = 40

x^2 + 3x - 40 = 0

We can factor this one:

(x - 5)(x + 8) = 0

x - 5 = 0 giving x = 5 and

x + 8 = 0 giving x = -8.

Answer  x = -8, 5.

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2 years ago
4(2x + 1) = 6x + 10<br> Help
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Answer:

x=3

Step-by-step explanation:

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3 years ago
Read 2 more answers
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tatiyna

Answer:

Somebody once told me the world is gonna roll me

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Only shooting stars break the mold

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Step-by-step explanation:

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3 years ago
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