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krek1111 [17]
3 years ago
7

Solve the equation 2x+8=12+10x

Mathematics
2 answers:
Nimfa-mama [501]3 years ago
8 0

Answer:x=-1/2=-0.500

Step-by-step explanation:

kari74 [83]3 years ago
6 0

Solve the equation. Isolate the variable, x.

Note the equal sign, what you do to one side, you do to the other.

First, subtract 8 and 10x from both sides:

2x (-10x) + 8 (-8) = 12 (-8) + 10x (-10x)

2x - 10x = 12 - 8

Simplify. Combine like terms:

(2x - 10x) = (12 - 8)

-8x = 4

Isolate the variable, x. Divide -8 from both sides:

(-8x)/-8 = (4)/-8

x = -(4/8)

Simplify:

x = -1/2

-1/2 is your answer for x.

~

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Answer:

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Step-by-step explanation:

In the table the rule is -5

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Suppose it takes John 18 minutes to run 3 miles. How long would it take him to run 7 kilometers? round to the nearest minute
alex41 [277]

Answer: 26 Minutes

Step-by-step explanation:

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3 years ago
The weights of cars passing over a bridge have a mean of 3,550 pounds and
Dovator [93]

The approximate probability that the weight of a randomly-selected car passing over the bridge is more than 4,000 pounds is 69%

Option C is the correct answer.

<h3>What is Probability ?</h3>

Probability is defined as the study of likeliness of an event to happen.

It has a range of 0 to 1.

It is given in the question that

The weights of cars passing over a bridge have a mean of 3,550 pounds and standard deviation of 870 pounds.

mean  = 3550

standard deviation,  = 870

Observed value, X = 4000

Z = (X-mean)/standard deviation = (4000-3550)/870 = 0.517

Probability of weight above 4000 lb

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The approximate probability that the weight of a randomly-selected car passing over the bridge is more than 4,000 pounds is 69%

To know more about Probability

brainly.com/question/11234923

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2 years ago
What is the value of the missing exponent in the equation 7.4 ÷ 10= 0.074?
KiRa [710]

the answer is 0.74 not 0.074

Step-by-step explanation:

<h3>7.4 <u><em>÷ </em></u><em> 10 = 0.74</em></h3>
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svp [43]

Answer:

Theory

Step-by-step explanation:

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For example in this case

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So one sixth of 18 is 3

That is, 18 comprises of 3 groups, each group containing 6 chocolates

5 0
3 years ago
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