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mafiozo [28]
3 years ago
6

Find the value of this expression if x=9 x2 + 6 / x - 6

Mathematics
2 answers:
rjkz [21]3 years ago
7 0

Answer:

I think the answer would be 24/3

Step-by-step explanation:

if x = 9

(9)2 + 6 / x - 6

18 + 6 = 24

24 / x - 6

24 / (9) - 6

(9) - 6 = 3

24 / 3 = 8 / 1

Hope I helped sweetie

GREYUIT [131]3 years ago
3 0

Answer:

87/3

Step-by-step explanation:

Here we are given the expression:

\frac{x^{2}+6}{x-6}

Now we have to find the value of this expression when x equals 9.

So plugging the value of x as -9 in the given expression:

\frac{x^{2}+6}{x-6}

=\frac{(9)^{2}+6}{9-6}

=87/3

So on evaluating we get the value of expression as 87/3.



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A certain pickup truck gets 20mpg in the city and 28 mpg on the highway. If the driver drives 270 mi on 11 gal of gas, determine
Snezhnost [94]

Answer:

95 city and 175 highway miles.

Step-by-step explanation:

The driver gets 20 mpg in city, and 28 mpg on the highway.

An equation that could be written is

20x+28y=270

This equation accounts for the distance traveled.

x+y=11

This equotion accounts for how many gallons were driven.

Multiply the bottom equation by 20, so you can solve the set of equations.

20x+28y=270

20x+20y=220

subtract them

8y=50

y=6.25

now plug this back into x+y=11

x+6.25=11

x=4.75

Now 4.75×20=95 city miles and 6.25×28=175 highway miles.

8 0
4 years ago
Rectangle poster is 3 times as long as wide perimeter is 24 in
Alexxandr [17]

w= width

l = 3w

P = 2(l+w)

substitute

24 = 2(3w+w)

24 = 2(4w)

24 =8w

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3 0
3 years ago
Easy points! Correct answer gets brainliest.
mariarad [96]
Cubs to female bear; 3/1 = 3
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3 years ago
Choose the point slope form of the equation below that represents the line that passes through the points (-6,4) and (2,0) Y+6=2
olchik [2.2K]

Answer:

you would need to see which one adds up or just an answer out in the wen then see what you get from there if not go find another way

Step-by-step explanation:

5 0
3 years ago
If m ACB =(11x-32),find the value of x
Digiron [165]

Answer: x= acb/11 + 32/11

Step-by-step explanation:

Solve for  x  by simplifying both sides of the equation, then isolating the variable.

8 0
4 years ago
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