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Yakvenalex [24]
3 years ago
12

For each equation, determine whether it represents a direct variation, an inverse variation, or neither.

Mathematics
1 answer:
Murljashka [212]3 years ago
8 0

Direct variation is written in the form y = k * x or x = y * k. And, inverse variation is written in the form y = k/x or x = y/k.

For the first problem, if we isolated the y, we would get:

4y = 3x - 1

y = (3/4)x - 1/4

This is written as y = mx + b, which isn’t the form of direct or inverse variation, so the answer is NEITHER.

For the second equation, we could divide by 2 on both sides to isolate x and see if it is in the correct form:

x = 4/y

This is inverse form, so the second question is INVERSE with a constant of variation as 4.

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The daily supply of oxygen for a particular multicellular organism is provided by 625 feet of lawn. A total of 3,750 square feet
Ainat [17]

Answer:

The answer to your question is 6 organisms.

Step-by-step explanation:

Data

625 ft² -------- 1 multicellular organism

3750 ft² -- number of organisms

Process

1.- To know the number of organisms that can supply 3750 ft² of lawn, we need to use proportions and cross multiplication.

                    625 ft² ------------------ 1 multicellular organisms

                  3750 ft² ------------------  x

                    x = (3750 x 1) / 625

                    x = 3750 / 625

                    x = 6

2.- Conclusion

3750 ft² can supply of oxygen 6 organisms.

5 0
3 years ago
I NEED HELP PLEASE THANK YOU ​
Sauron [17]

Answer:

d

Step-by-step explanation:

if you tried to do the d you would end up with this

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7 0
2 years ago
EASY GEOMETRY**<br>what is the measure of the angle shown​
3241004551 [841]

I think the answer is B.

But my second choice would be C.

8 0
3 years ago
Read 2 more answers
A factory produces 70 toys per hour. The relationship between the number of toys produced, t, and the number of hours elapsed, h
MrRissso [65]

<u>B</u><u>)</u><u> </u><u>t</u><u> </u><u>=</u><u> </u><u>7</u><u>0</u><u> </u><u>h</u>

<u>A factory produces 70 toys per hour. The relationship between the number of toys produced, t, and the number of hours elapsed, h, is proportional.</u>

4 0
3 years ago
The expression once The left side of an equation is shown below. 3(x+1)+9 if the equation has no solution which expression can b
lys-0071 [83]
<h3>Answer:</h3>

C. 4(x-3)-x

<h3>Step-by-step explanation:</h3>

All of the given expressions are equivalent to 3x+12 except selection C. Using that in your equation makes it be ...

... 3(x +1) +9 = 4(x -3) -x

... 3x +12 = 3x -12

... 12 = -12 . . . . . <em>false</em>

There is no value of x that will make this true, hence NO SOLUTION.

_____

<em>Comment on the other choices</em>

3x+12 = 3x+12 has an <em>infinite number of solutions</em>, as <u><em>any</em></u> value of x will make this true.

7 0
3 years ago
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