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kodGreya [7K]
3 years ago
9

Solve the equation. 1/4 = y/12. y=

Mathematics
1 answer:
charle [14.2K]3 years ago
8 0

Answer:

Step-by-step explanation:

\frac{1}{4}=\frac{y}{12}\\\\\frac{1}{4}*12=y\\\\1*3=y\\\\y=3

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How can you solve a rational equation without graphing?
KiRa [710]

Answer:

To figure out the common denominator for these fractions, I'll first need to factor that quadratic in the denominator on the right-hand side of the rational equation. This will also allow me to find the disallowed values for this equation. Factoring gives me:

x2 – 6x + 8 = (x – 4)(x – 2)

The factors of the quadratic on the right-hand side "just so happen" to be duplicates of the other denominators. This often happens in these exercises. (So often, in fact, that if you get completely different factors, you should probably go back and check your work.)

Step-by-step explanation:

4 0
3 years ago
Calculate the following derivative if <br> f(x) = sin(x)<br> and <br> g(x) = 5x + 4.
gayaneshka [121]

Answer:

Rewrite the function as an equation.

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Any line can be graphed using two points. Select two  

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1

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x

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y

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to find the ordered pair.

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Replace the variable  

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0

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f

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0

)

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(

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−

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The  

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4

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y

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−

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Create a table of the  

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8 0
3 years ago
Use substitution to solve the problem below algebraically.<br><br> x = 41<br> x + 2y = 71
grandymaker [24]

Answer:

41 + 2y = 71

2y = 30

y = 15

Step-by-step explanation:

i believe that is right, if not sorry

7 0
3 years ago
Read 2 more answers
Simplify. x/4x+x^2
djyliett [7]

\bf \cfrac{x}{4x+x^2}\implies \cfrac{\begin{matrix} x \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}}{\begin{matrix} x \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~(4+x)}\implies \cfrac{1}{4+x}\qquad \{x|x\in \mathbb{R}, x\ne -4\}

if you're wondering about the restriction of x ≠ -4, is due to that would make the fraction with a denominator of 0 and thus undefined.

3 0
3 years ago
mark is drawing a map of his favorite park. the park is 3 miles long and 1.5 miles wide. the map scale is 1 inch = .25 miles. ho
Brilliant_brown [7]

Answer: 6 inches

Step-by-step explanation:

1.5 miles wide * 1 inch / 0.25 miles = 6 inches :D

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