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Shkiper50 [21]
3 years ago
7

2x−4y=20 whats the answer

Mathematics
2 answers:
Whitepunk [10]3 years ago
7 0

2x-4y=20

Add both sides by -4y

2x=20+4y

Then divide both sides by 2 and you get your answer

x=2y+10

alexdok [17]3 years ago
4 0

The answer is

x=10+2y

Steps:

2(x-2y)=20

x-2y=20/2 (in fraction form 20/2)

x-2y=10

X=10+2y

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There are 216 identical plastic chips numbered 1 through 216 in a box. What is the probability of reaching into the box and rand
NARA [144]

Answer:

The probability of randomly drawing the chip numbered 170 is 1/216 or 0.0046

Step-by-step explanation:

Probability is the likelihood or chance of an event occurring. Probability can be determined using the formula below

Probability = Number of favorable outcome / Total number of possible outcomes.

From the question, we are to determine the probability of reaching into the box and randomly drawing the chip numbered 170.

Here, the number of favorable outcome is 1 (which is the chip numbered 170)

Total number of possible outcomes is 216 ( all the 216 identical plastic chips)

Therefore,

Probability = 1/216 or 0.0046

This is the probability of randomly drawing the chip numbered 170.

The probability of randomly drawing the chip numbered 170 is 1/216 or 0.0046

4 0
3 years ago
Which graph represents the solution set of this inequality? -2x + 7 < 23−2x+7<23
kondaur [170]

Answer:

The graph and the number line in the attached figure

Step-by-step explanation:

we have

-2x+7 < 23

Solve for x

subtract 7 both sides

-2x+7-7 < 23-7

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Divide by -2 both sides

Remember

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

so

x > -8

The solution is the interval (-8,∞)

All real numbers greater than -8

In a number line the solution is the shaded area at right of x=-8 (open circle)

The graph and the number line in the attached figure

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24/27 = (24 ÷ 3)/(27 ÷ 3) = 8/9
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Answer:

60 + 6z + 18 =

Step-by-step explanation:

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