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svetlana [45]
2 years ago
14

What is the value of the expression above when x = 3 and y = 4? You must show all work and calculations to receive full credit.

(4 points)

Mathematics
1 answer:
zmey [24]2 years ago
4 0
What's up?

let's implement these numbers into the problem first.

3•3 + 1/4 4^2

let's solve what we can

9 + 1/4 • 16

9 + 4 = 13
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Find the least common denominator for these two rational expressions. B/b^2 -64 -7b/b^2+7b-8
san4es73 [151]

Answer:

The least common denominator is (b-8)(b+8)(b-1)

Step-by-step explanation:

We are given expression as

\frac{b}{b^2-64}-\frac{7b}{b^2+7b-8}

Firstly, we will factor both denominators

b^2-64=b^2-8^2=(b-8)(b+8)

b^2+7b-8=(b+8)(b-1)

so, we can plug it back

\frac{b}{(b-8)(b+8)}-\frac{7b}{(b+8)(b-1)}

First term denominator is

(b-8)(b+8)

Second term denominator is

(b+8)(b-1)

So,

Least common denominator will be

(b-8)(b+8)(b-1)

So, we get

LCD=(x-8)(x+8)(x-1)


3 0
2 years ago
Please Help Me asap or my Mom is gonna beat me !^^ Gotta do 100 assignments by the end of the day!^^))
lyudmila [28]

Answer:

miss girl-

Step-by-step explanation:

The answer is 5,600.00

5 0
2 years ago
Write the equation of the line in slope-intercept form. m=5/9 y-intercept (0,2) 2 The equation of the line in slope-intercept fo
aniked [119]

Answer:

y = (5/9)x + 2

Step-by-step explanation:

Slope intercept form is

y = mx + b then plug in the values

y = (5/9)x + 2

4 0
2 years ago
Can someone plss help mee ??
Dvinal [7]
First - 8
second - 4
third - 12
fourth - 9
3 0
2 years ago
Select all the correct answers.
amid [387]

Answer:

It costs $15 a month to play the video game.

The initial cost is $45.

The y-variable represents the cost in dollars.

The x-variable represents the number of months.

Step-by-step explanation:

If you break the function down, you're going to have:

<u>Total = Monthly Cost + Initial Cost</u>

In this case, 15x is your monthly cost, as you can think of x as the number of months meaning:

  • 15 for the first month (x = 1)
  • 30 for the second month (x = 2)
  • 45 for the third month (x = 3), and so on

Our initial cost is always going to be a set amount, thus our constant, $45.

This leaves y as our total, which makes sense, as it's all alone on one side of the equation, where as all the costs are bunched together on the right side.

Hope this helps!

6 0
2 years ago
Read 2 more answers
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