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Marianna [84]
3 years ago
14

What is the solution to the equation x/-3=4? A)x=-7 B)x=-4/3 C) x=-1 D)x=-12

Mathematics
1 answer:
pav-90 [236]3 years ago
7 0

d) x=-12 because x/-3=4 can be rearranged as x=4x-3 so x=-12

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A company has 8 mechanics and 6 electricians. If an employee is selected at random, what is the probability that they are an ele
Andre45 [30]

Answer:

Probability = \frac{3}{7}

Step-by-step explanation:

Given

Electrician = 6

Mechanic = 8

Required

Determine the probability of selecting an electrician

First, we need the total number of employees;

Total = n(Electrician) + n(Mechanic)

Total = 6 + 8

Total = 14

Next, is to determine the required probability using the following formula;

Probability = \frac{n(Electrician)}{Total}

Probability = \frac{6}{14}

Divide numerator and denominator by 2

Probability = \frac{3}{7}

<em>Hence, the probability of selecting an electrician is 3/7</em>

4 0
3 years ago
A tablet computer costs $189.69 including tax. It is marked up 30%.
Alina [70]
The correct answer is D. $246.6
(It is actually $246.597 but that is rounded to 246.6)
$189.69 x .3 = 56.907
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3 0
3 years ago
Read 2 more answers
Charlemagne’s column covers the first 12 miles in 4 hours. He then increased the speed by 2 miles per hour. If the total distanc
Mashutka [201]

Answer:

12 miles in 4 hours is 3 mph

52-12=40 miles left

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8+4=10

it took 10 hours to finish the trip.


8 0
3 years ago
Does anyone else agree that the answer for this family of curves question is E, dy/dx = x + y?
neonofarm [45]
Yes this is the correct answer. The slope field shown is the differential equation dy/dx = x+y

All points along the line x+y = k, for some constant k, will have the same tangent slope k. For example, the line x+y = 0 will have every point with tangent slope 0 for the solution y(x). It may not be 100% clear, but this graph has horizontal tickmarks on the line x+y = 0, or the tickmarks are close to being horizontal. Using geogebra, I checked the others and they produced completely different graphs, which allowed me to rule them out.
6 0
3 years ago
What is 65/8 as a mixed number
Stolb23 [73]
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6 0
3 years ago
Read 2 more answers
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