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fredd [130]
3 years ago
12

Solve for x. 2/5x=6/5 A. 12/25 B. 12/5 C. 3 D. 6

Mathematics
1 answer:
arsen [322]3 years ago
5 0

Answer:

C. 3

Step-by-step explanation:

2/5 x = 6/5

Multiply each side by 5/2 to isolate x

5/2 * 2/5 x = 6/5 * 5/2

x = 6/2

x=3

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3x + x- 2x + 8 = 3x + x
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Answer:

x=4

Step-by-step explanation:

3x+x - 2x + 8= 3x + x

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2x + 8= 4x

8= 2x

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What is the sum of the geometric sequence 1,3,9... if there were 11 terms?
Delicious77 [7]

Answer:

88,573

Step-by-step explanation:

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3 years ago
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liubo4ka [24]
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8 0
2 years ago
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Which of the following is the graph of y=sqr root -x-3
Elan Coil [88]

Answer:

The graph in the attached figure

see the explanation

Step-by-step explanation:

we have

y=\sqrt{-x-3}

we know that

The radicand must be greater than or equal to zero

so

(-x-3)\geq 0

solve for x

Adds 3 both sides

-x\geq 0+3

-x\geq 3

Multiply by -1 both sides

Remember that, when you multiply or divide both sides of an inequality by a negative number, you must reverse the inequality symbol

x\leq -3

so

The domain of the function is the interval (-∞,-3]

For x=-3 ---> the value of y=0

The range is the interval {0,∞)

therefore

The graph in the attached figure

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Answer:

Step-by-step explanation:

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