3 years ago

Simplify the following rational expression.

Mathematics

1 answer:

Nitella [24]3 years ago

5 0

I think it’s 22 don’t hate me if you get it wrong

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Suppose f(x)=x^2-2 find the graph of f(1/2x)

Scorpion4ik [409]

Answer:

graph g(x)=1/4 x^2 - 2

Step-by-step explanation:

You are to replace x with (1/2x) in the expression x^2-2

So you have (1/2x)^2-2

1/4 x^2-2

Graph some points for g(x)=1/4 x^2-2

The vertex is (0,-2) and the parabola is open up.

I would graph 2 more points besides the vertex

x | g(x) ordered pairs to graph

----------- (-1,-1.75) and (0,-2) and (1,-1.75)

-1 -1.75

0 -2

1 -1.75

3 0

3 years ago

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What does the variable represent in the equation 6-8p=38

GalinKa [24]

Solving the equation $6-8p=38$ we get value of p = -4

Step-by-step explanation:

We need to find the value of p in the equation $6-8p=38$

Solving to find value of p:

$6-8p=38\\Adding\,\,-6\,\,on\,\,both\,\,sides:\\6-8p-6=38-6\\-8p=32\\Divide\,\,both\,\,sides\,\,by\,\,-8\\\frac{-8p}{-8}=\frac{32}{-8}\\p=-4$

So, solving the equation $6-8p=38$ we get value of p = -4

Keywords: Solving Equations

Learn more about Solving Equations at:

#learnwithBrainly

3 0

3 years ago

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A garden in the shape of a rectangle a 140 feet long and 95 feet wide.what is the distance around the garden

Tamiku [17]

140 + 140 + 95 + 95 = 470 feet

Hope this helps!

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3 years ago

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in a candy store a $5,00 jar of candy is labled 50% off .what is the idscoutn?what si the sales price of the jar of candy?

lisov135 [29]

The discount is $2.50, the new price would be $2.50. Unless you factor in sales tax.

5 0

3 years ago

3. Let sin 21 = 0.358. What is the value of x for cos x=0.358?

r-ruslan [8.4K]

Answer:

$\cos(69)$

Step-by-step explanation:

We will use the co-function identity for sine, where:

$\sin(x)=\cos(90-x)$

Since sin(21)=0.358=cos(x). This means that:

$21=90-x$

Solve for x. Add x to both sides:

$x+21=90$

Subtract 21 from both sides:

$x=69\textdegree$

Hence:

$\sin(21)=\cos(69)\approx0.358$

6 0

3 years ago