3 years ago

Given: f(x)=x²-5 s(x) = x² +5

Mathematics

1 answer:

larisa86 [58]3 years ago

8 0

The answer is - balalalalalalalalalak you should figure it out

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Find the zeros f(x)=x^2+4x-12

olganol [36]

Answer:

Step-by-step explanation:

f(x)=x2−4x−

12Set x2−4x−

12 equal to 0.x2−4x−

Solve for

−

4 0

2 years ago

I need help with my math homework so If f(n)=5n+8 <br> F(4)=?

kati45 [8]

Answer:28

Step-by-step explanation: in this case n=4, so you would plug in 4 into the equation: 5(4)+8 which equals 8

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3 years ago

The answer to this question<br> Is beyond my knowledge can you explain

N76 [4]

Pythagorean Theorem!

$a^{2}$ + $b^{2}$ = $c^{2}$
$8.5^{2}*8.5^{2}= c^{2}$
72.25+72.25= $c^{2}$
144.5= $c^{2}$
$\sqrt{144.5}$
12.02 or just 12

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4 years ago

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Two trains leave the station at the same time, one heading east and the other west. The eastbound train travels at 90 miles per

Fed [463]

Answer:

2hrs and 36 mins that is the answer

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4 years ago

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Two cars got an oil change at the same auto shop. The shop charges customers for each quart of oil plus a flat fee for labor. Th

zvonat [6]

The labor fee is $13.55 and each quart of oil is $2.25

Step-by-step explanation:

Let,

x be the amount of each quart of oil

y be the amount of labor fee

According to given statement;

5x+y=24.80 Eqn 1

7x+y=29.30 Eqn 2

Subtracting Eqn 1 from Eqn 2

$(7x+y)-(5x+y)=29.30-24.80\\7x+y-5x-y=4.50\\2x=4.50$

Dividing both sides by 2

$\frac{2x}{2}=\frac{4.50}{2}\\x=2.25$

Putting x=2.25 in Eqn 1

$5(2.25)+y=24.80\\11.25+y=24.80\\y=24.80-11.25\\y=13.55$

The labor fee is $13.55 and each quart of oil is $2.25

Keywords: linear equation, subtraction

Learn more about subtraction at:

#LearnwithBrainly

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3 years ago