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abruzzese [7]
3 years ago
5

The square root of 125 is between what two numbers

Mathematics
2 answers:
Otrada [13]3 years ago
6 0

The square root of 125 is in between 11 and 12. It is 11.1803.

wolverine [178]3 years ago
3 0
The square root of 125 is between 11(121) and 12(144)
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Solve the following equation by factoring 2x^2-5x-12=0
Korolek [52]
Answer: x = 4 and x = -3/2

Procedure:

1) Given: 2x^2 - 5x - 12 = 0

2) Multiply both sides by : 2(2x^2) - 2(5x) - 2(12) = 0

3) Rearrange: (2x)^2 -5(2x) - 24 = 0

4) Notice that the common factor is (2x)

5) Set the parenthesis with the common factor inside:

(2x     ) (2x     ) =0

6) The first sign is the same sign of the second term of the trinomial, which is negative, the second sign is the product of the signs of the second and the third terms of the polynomial, which is (-)*(-) = + (positive)

(2x - )(2x + ) = 0

7) find two numbers that sum up - 5x and its product is -24.

- 8 + 3 = - 5
(-8)(+3) = -24

=> the numbers in the factors are -8 and +3

(2x - 8) (2x + 3) = 0

That is the factored equation. Now you can solve

8) a) 2x - 8 = 0 => 2x = 8 => x = 8/2 => x = 4

b) 2x + 3 = 0 => 2x = - 3 => x = - 3/2

Answer: the two solutions are x = 4 and x = -3/2
8 0
3 years ago
3x-11=-1x-75<br> find the x value that would make this equation true
ki77a [65]

Answer:

x = -16

Step-by-step explanation:

3x-11 = x-75

bring x to other side and simplify

(4x = -64) ÷4

x = -16

8 0
3 years ago
The pressure of a scuba tank should be within 500 pounds per square inch (psi)of 2500 psi. Write the range of optimum pressures.
Aleonysh [2.5K]

The range would be between 2000 and 3000 PSI.

Explanation:

2500 PSI - 500 PSI = 2000 PSI

2500 PSI + 500 PSI = 3000 PSI

Hope this helps :)

3 0
3 years ago
Three teams, A, B and C, play in a competition.
Snezhnost [94]

Answer:

42 games

Step-by-step explanation:

From the ratio, we can deduce that;

For every 3 games A won, B won 1

Thus, if B won 10, then A has won 3(10) = 30

From the second part;

For every 1 game won by C, B won 5

since B won 10, then C won 10/5 = 2

So the total number of games won is;

A + B + C

= 2 + 30 + 10 = 42 games

3 0
3 years ago
The probability that John receives junk mail is 11%. If he receives 94 pieces of mail in a week ,about how many of them can he e
Papessa [141]

Hi!

The answer is : 11% * 94 = 0,11 * 94 = 10,34, so about 10 from 94 are junk

Hope this helps!

4 0
3 years ago
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