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3 years ago

Which of the following equations has no solution?

Mathematics

1 answer:

Ronch [10]3 years ago

8 0

Answer:

B and D

Step-by-step explanation:

Equations with the same x- term on both sides will have no solution

4x - 13 = 5(x + 4) = 5x + 20

4x ≠ 5x

This equation has a solution

5(3 + 2x) = 10x + 4

15 + 10x = 10x + 4

10x on both sides ⇒ no solution

2(3 - 5x) = 8(x + 1)

6 - 10x = 8x + 8

- 10x ≠ 8x

This equation has a solution

9x - 6 = 3(3x - 2) = 9x - 6

9x on both sides ⇒ no solution

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Answer:

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Step-by-step explanation:

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3 years ago

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What is the value of the product of -20/48 times 6 in simplified form

KATRIN_1 [288]

-20/48 x 6 = $\frac{-20}{48}$ x $\frac{6}{1}$

I would cancel out the 6 in the numerator and the 48 in the denominator
Now I have $\frac{-20}{8}$ or $\frac{-5}{2}$ reduced.

-5 ÷ 2 = -2 1/2 and that is the answer in simplest form

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3 years ago

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Luba_88 [7]

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3 years ago

HELP ME PLEASE............................................................

mestny [16]

Answer:

2√6

Step-by-step explanation:

find the hypotenuse of the triangle thats 3 and 7

pythagorean

3 squared + 7 squared

16 + 49 = 57

√57 is the hypotenuse

√57 is also the base of the triangle that has side thats 9

pythagorean theorem

x squared + √57 squared = 9 squared

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x^2 = 81 - 57

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x = √24

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2 years ago

Adding and Subtracting Integers (-5) + (+45) (-5) + (+48)

timofeeve [1]

1. 40
2. 43
its just like subtracting when you add a negative number to a positive one. flip them around! makes it a lot easier.

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3 years ago