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Luba_88 [7]
3 years ago
15

ASAP Please Help! I need to show all the work. IM really confused. Show all work to solve the equation for x. If a solution is e

xtraneous, be sure to identify it in your final answer.
square root of the quantity x minus 2 end quantity plus 8 equals x
Mathematics
2 answers:
Thepotemich [5.8K]3 years ago
6 0

Answer:

  • x = {6, 11}

Step-by-step explanation:

\sqrt{x - 2} + 8 = x\\ \sqrt{x - 2}  = x - 8\\x - 2 = (x - 8)^2\\x - 2 = x^2 - 16x + 64\\x^2  - 17x + 66 = 0\\(x^2 - 11x) - (6x - 66) = 0\\x(x - 11) - 6(x - 11) = 0\\(x - 6)(x - 11) = 0\\x - 6 = 6  >> x = 6\\x - 11 = 0 >> x = 11

nexus9112 [7]3 years ago
3 0

*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

Answer: x=11

Explanation: See below!

I hope this helped!

<!> Brainliest is appreciated! <!>

- Zack Slocum

*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

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After driving 378 miles, they have used 14 gallons of gas. They have 243 miles left to drive on the trip. How much gas will they
dsp73

Answer:

9 gallon of gas

Step-by-step explanation:

When distance covered is 378 miles, they have used 14 gallons of gas

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378 miles = 14 gallons of gas

For 1 mile,

1 gallon of gas is used for \dfrac{14}{378}\ \text{gallon of gas is used}

For 243 miles,

= \dfrac{14}{378}\times 243\ \text{miles}\\\\=9\ \text{gallon of gas is used}

Hence, for 243 miles 9 gallon of gas is used.

6 0
3 years ago
What type of triangle is shown <br> A) scalene<br> B) equilateral <br> C) right <br> D) obtuse
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Answer:

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Step-by-step explanation:

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7 0
4 years ago
Read 2 more answers
Each day, about 75,000 people visit paris, france. Use the commutative property to write two equivalent expressions that could b
Rainbow [258]
The commutative property states that you can move things around and  it will still be equal. The best way to remember this is "commute" which kind of means to move around. 75000x = x75000, where x is the number of days. So, in this case, it would be 75000(5) = (5)75000 or 5 * 75000 = 75000 * 5.
7 0
4 years ago
Which is a solution to (x – 3)(x + 9) = –27?<br><br> x = –9<br> x = –3<br> x = 0<br> x = 6
likoan [24]

Answer:

x = 0

Step-by-step explanation:

Since the product is not equal zero, we need to multiply both parenthesis first:

(x-3)(x+9) =-27

x*x+x*9+(-3)*x+(-3)*9=27

x^2+9x-3x-27=27

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Add 27 from both sides:

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Factor x out:

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Apply the zero product:

x=0,x+6=0

x=0,x=-6

The solutions of the equation are x=0 and x=-6.

We can conclude that the correct answer is x = 0.

7 0
3 years ago
What is the radius and diameter of the following circle?
Cerrena [4.2K]

Answer:

Radius=9

Diameter=18

Step-by-step explanation:

5 0
3 years ago
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