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defon
3 years ago
8

Please help quick! will mark brainliest answer!

Mathematics
1 answer:
nadezda [96]3 years ago
5 0

Answer:

A)43

Step-by-step explanation:

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Please help please please help
Inessa05 [86]

2x + 2 = 3x - 52

-2x         -2x

2 = 1x - 52

+52     +52

54 = 1x

----   ----

1        1

54 = x

Check:

2(54) + 2 = 3(54) - 52

108 + 2 = 162 - 52

110 = 110

3 0
3 years ago
Read 2 more answers
The graph of f(x) = 2x + 1 is shown below. Explain how to find the average rate of change between x = 0 and x = 2.
maksim [4K]
The last description actually clarifies the given equation. The equation should be written as: f(x) = 2ˣ +1. The x should be in the exponent's place. 

The average rate of change, in other words, is the slope of the curve at certain points. In equation, the slope is equal to Δy/Δx. It means that the slope is the change in the y coordinates over the change in the x coordinate. So, we know the denominator to be: 2-0 = 2. To determine the numerator, we substitute x=0 and x=2 to the original equation to obtain their respective y-coordinate pairs.

f(0)= 2⁰+1 = 2
f(2) = 2² + 1 = 5

So, the slope is equal to:

Average rate of change = (5 - 2)/(2 - 0)
Average rate of change = 3/2 or 1.5
4 0
4 years ago
Read 2 more answers
The length of a rectangle is 6 yards longer than its width. If the perimeter of the rectangle is 32 yd, find its area in square
ddd [48]
Let, width = x
Length = x + 6

Now, perimeter, 2(l+b) = 2(x+6+x)
2(2x+6) = 32
4x + 12 = 32
4x = 20
x = 5 &
x+6 = 5+6 = 11

As rectangle's dimensions are 11*5, it's area would be: 11 * 5 = 55 yards²

So, your final answer is 55 Yd²

Hope this helps!
8 0
4 years ago
Earning an A in algebra this semester is an example of:
Aleksandr [31]

Answer:

A

Step-by-step explanation:

A semester is about 1/2 of the school year which is 4 1/2 or 5 months, its not instant because its 5 months long its not short term commitment because you will have to work with it, and its not a short term goal because 5 months is quite a while in my opinion.

plz give brainliest

7 0
3 years ago
Read 2 more answers
A retailer who sells backpacks estimates that by selling them for x dollars each, she will be able to sell 100−x backpacks each
zvonat [6]

Answer:

x = 50

R = $2500

Step-by-step explanation:

Given in the question a quadratic equation,

−x² + 100x

To find the selling price, x, which will give highest revenue, y, we will find maximum value of parabola curve −x² + 100x

The value of -b/2a tells you the value x of the vertex of the function

−x² + 100x

here a = -1

        b = 100

Selling price = -(100)/2(-1)

                    =   50

 

R = −(50)² + 100(50)

  = 2500

8 0
4 years ago
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