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Vlad1618 [11]
3 years ago
15

Help please!! Solve for X.

Mathematics
1 answer:
Mekhanik [1.2K]3 years ago
6 0

9514 1404 393

Answer:

  3) x = 9

  4) x = 3

Step-by-step explanation:

3) The two short segments are indicated as having a sum equal to the long segment.

  (x +2) +(-5 +x) = 15

  2x = 18 . . . . . . . . . . . . add 3

  x = 9 . . . . . . . . . divide by 2

(This makes the segments be 9+2 = 11 and -5+9 = 4, which total 15.)

__

4) Same deal.

  3x +3 = 4x

  3 = x . . . . . . . . subtract 3x

(This makes the segments be 3(3) = 9 and 4(3) = 12, where 9+3=12.)

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Which number is IRRATIONAL?
Fittoniya [83]

Answer:

C)√ 72

Step-by-step explanation:

We will Simplify the radical by breaking the radicand up into a product of known factors.

When we do this, we figure out that...

A.√ 49 = 7

B.√ 64 = 8

D.√ 121 = 11

BUT C) is different.

√ 72 can not be divided into any whole number an exact amount of times.

So instead, this can be solved by writing it as shown:

Exact Form:

6 √ 2

Decimal Form:

8.48528137

Thanks for letting me help!!

5 0
4 years ago
What on earth is 7 + √(x - 1) = 2?<br> I'm confused...
Gala2k [10]

Answer: x = 26

Step-by-step explanation:

Let's go step by step.

7 + \sqrt{x-1} = 2\\\sqrt{x-1} = -5\\x-1 = (-5)^2 \\x-1 = 25\\x = 26

Check your answer.

7 + \sqrt{26-1} = 2\\ 7+5 = 2\\12 = 2

That clearly doesn't work, showing how it has no solution.

^The answer above explained it better than me :P

5 0
3 years ago
Read 2 more answers
Answerrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr
Anton [14]

Answer:

90 percentage

Step-by-step explanation:

90,

there are 90 tiles in box a

6 0
3 years ago
Read 2 more answers
How can you tell if the solution is one value,all real numbers,or no solutions
zysi [14]
One value: would be a single valued function, or just one answer.

Real numbers would be: natural numbers, whole numbers, integers, rational numbers (fractions and repeating or terminating decimals), and irrational numbers.

No solution: there is no answer to the question.
8 0
3 years ago
A company is holding a sales contest for its sales reps. 12 sales reps are based in Office A and 7 sales reps are based in Offic
NikAS [45]

Answer:

55,440 ways

Step-by-step explanation:

In this situation, since the bonuses are different, the order of the sales reps receiveing the bonus matters, thus permutations should be used.

The number of ways to pay the bonuses in office A (pick 3 out of 12) is:

A=\frac{12!}{(12-3)!} =12*11*10 = 1,320\ ways

The number of ways to pay the bonuses in office B (pick 2 out of 7) is:

B=\frac{7!}{(7-2)!} =7*6 =42\ ways

Considering both offices, the number of ways to pay out the bonuses is:

N= A*B = 1320*42\\N=55,440\ ways

3 0
4 years ago
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