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dimulka [17.4K]
3 years ago
5

How do I solve this equation and check all the solutions?

Mathematics
2 answers:
mash [69]3 years ago
6 0

Answer:

10

Step-by-step explanation:

x-√2x-5=5

-√2x-5=5-x

√2x-5=-5+x

2x-5=x²-10x+25

2x-5-x²+10x-25=0

12x-20-x²=0

-x²+12x-20=0

x²-12x+20=0

x=10

Note: there is a another answer x=2 but the equality will be false if x=2 so the answer is 10

Eddi Din [679]3 years ago
5 0
The answer I got was: x = 0,2

Hope this helps! ;)
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threw 42 strikes out of 60 pitches in the first four innings of game two at the 1981 World Series. At this rate, if he threw 200
Fantom [35]

Answer: 140 Strikes

Step-by-step explanation:

42 / 60 = .7 thats 70% Percent

The .7 x 200 = 140

7 0
3 years ago
Maria boards boards a car at the bottom of a ferris wheel. she rides to the top and then it stops. maria tells her friends they
DaniilM [7]

Maria is wrong because they have completed 1/2.

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6 0
3 years ago
Which statement accurately describes the relationship between mass and inertia?
Andreyy89
D mass is proportional to 1/inertia2
8 0
3 years ago
V=x/t<br> How do I solve for T
777dan777 [17]

When solving for a variable in an equation, get it separated from the others onto one side typically the left hand side and rest onto the opposite side usually the right hand side.

V = x / t

First, let us get the 't' variable out of denominator position and then it will be easier to work with.

V * t = (x / t) * t

Why did I multiply each side by 't' and not just the "x / t" expression? That is because every operation we do on one side, we must also do on the opposite side.

Okay, now we get the following equation.

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We removed the 't' variable from denominator and in fact, it doesn't even exist anymore on the right hand side!

To complete this question, all we have to do is divide each side by 'V' and we are done!

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6 0
3 years ago
Please help! Do you know the answer<br>​
azamat

Answer:

x = 9

Step-by-step explanation:

y = 2/3x - 6

If the y point is 0, then plug that number into the equation and solve for x.

0 = 2/3x - 6

Add 6 to both sides of the equation.

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Divide both sides by 2

18/2 = 2x / 2   or 9 = x

5 0
3 years ago
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