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gulaghasi [49]
2 years ago
13

What is the solution to the equation -4(2x + 3) = 2x + 6 - (8x + 2)?

Mathematics
1 answer:
MrRa [10]2 years ago
4 0

Answer:

B. x = -8

Step-by-step explanation:

-4(2x + 3) = 2x + 6 - (8x + 2)

-8x -12 = 2x + 6 - 8x -2

(now, "-8" in both terms is cancelled):

-12 = 2x + 6 - 2

(leave 2x alone in second term):

-12 -6 +2 = 2x

-16 = 2x

-16/2 = x

-8 = x

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The speed of the fox should be greater than the rabbit's speed in other to catch up, Hence, the speed of the fox must be 35/t + 40

The distance between the rabbit and fox, d = 35 feets

The rabbit's speed = 40 feets per second

Fox's speed = F

In other to obtain a specific speed for the fox, the time at which the fox is required to catch up with the rabbit should be given.

Let the time = t

Recall :

Speed = distance / time

Distance = speed × time

Rabbit's distance from fox after time t will be :

35 + (40 × t) = 35+40t

Fox's distance after time, t = fox speed × t = F × t

In other to catch up ; both fox and rabbit must be at the same distance ;

Rabbit's distance at time t = Fox's distance at time t

35+40t = Ft

To solve for F which is the fox's speed:

Divide both sides by t

(35+40t) / t = Ft/t

35/t + 40 = F

Hence, the fox' s speed must be : 35/t + 40

To obtain the exact speed of the fox, we must be given a specific time value.

Learn more : brainly.com/question/18112348

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1 year ago
At a large company, employees can take a course to become certified to perform certain tasks. There is an exam at the end of the
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Answer:

A Type II error is when the null hypothesis is failed to be rejected even when the alternative hypothesis is true.

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The consequence is that the new method would be discarded (or changed) eventhough it is a real improvement.

Step-by-step explanation:

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<h2>Step-by-step explanation:</h2><h3>\green\star Given</h3>

\blue\stars10 = -20

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\green\star solution

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