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lara31 [8.8K]
3 years ago
5

2x+4y=8 in y=mx+b form

Mathematics
1 answer:
densk [106]3 years ago
6 0

Answer:

y = -0.5x + 2

Explanation:

2x + 4y = 8

Add -2x to both sides

2x + 4y + −2x = 8 + −2x

4y = −2x + 8

Divide both sides by 4

4y / 4 = -2x + 8 / 4

y = -1/2x + 2

-1 ÷ 2 = -0.5

y = -0.5x + 2

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Answer:

It can't be an integer because it's not a whole number. Integers are whole numbers, either positive or negative.

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Find the solution to the system of equations by using either graphing or substitution.
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Step-by-step explanation:

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Gravel is being dumped from a conveyor belt at a rate of 15 ft3/min, and its coarseness is such that it forms a pile in the shap
gayaneshka [121]

Answer:

0.13 ft/min

Step-by-step explanation:

We are given that

\frac{dV}{dt}=15ft^3/min

We have to find the increasing rate of change of height of pile  when the pile is 12 ft high.

Let d be the diameter of pile

Height of pile=h

d=h

Radius of pile,r=\frac{d}{2}=\frac{h}{2}

Volume of pile=\frac{1}{3}\pi r^2 h=\frac{1}{12}\pi h^3

\frac{dV}{dt}=\frac{1}{4}\pi h^2\frac{dh}{dt}

h=12 ft

Substitute the values

15=\frac{1}{4}\pi(12)^2\frac{dh}{dt}

\frac{dh}{dt}=\frac{15\times 4}{\pi(12)^2}

\frac{dh}{dt}=0.13ft/min

7 0
3 years ago
Find the value of x in the following equation: x⁄2 + 2x⁄5 = 18.
butalik [34]

Answer:

x = 20

Step-by-step explanation:

Solve for  x  by simplifying both sides of the equation, then isolating the variable.

8 0
3 years ago
Read 2 more answers
Solve for x. 5x - 1 = 26 x = x = 5 x = -5
Doss [256]

Answer:

x = 27/5

Step-by-step explanation:

5x - 1 = 26

Add 1 to each side

5x - 1 = 26

5x-1+1 = 26+1

5x = 27

Divide each side by 5

5x/5 = 27/5

x = 27/5

5 0
2 years ago
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