Are the equations sometimes, always, or never true?

1 answer:

4 0

15 + 2x - 4 = 9x + 11 - 7x
2x + 11 = 2x + 11
always true

2x + 3(4x - 1) = 2(5x + 3) + 4x
2x + 12x - 3 = 10x + 6 + 4x
14x - 3 = 14x + 6
never true

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mixas84 [53]

The correct answer is D.

7 0

2 years ago

nikklg [1K]

Answer:

- 1.67

Step-by-step explanation:

f(x) = $\frac{3}{7+2}$ - $\sqrt{7-3}$

= $\frac{3}{9}$ - $\sqrt{4}$

= $\frac{1}{3}$ - 2

= - 1 $\frac{2}{3}$

= -1.6666666

= -1.67

5 0

2 years ago

Nutka1998 [239]

EXPLANATION:
Let the no. be x.
4x-12= -11
4x= -11+12
x=1/4
x=0.25

ANSWER:
x=0.25

Hope it helps u! :)

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2 years ago

Nadya [2.5K]

Answer:

Step-by-step explanation:

the sides do not have the same measurments which is required of the SSS postulate

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2 years ago

Reptile [31]

46 because 14+13=46 and cm

7 0

2 years ago