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ZanzabumX [31]
3 years ago
11

Find the percent of each number

Mathematics
1 answer:
iragen [17]3 years ago
7 0
1321 x .03 = 36.93
631 x .45 = 283.95
100 x .01 = 10
350 x .25 = 62.5
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Solve the following System Of Equations Using Substitution or Elimination Methods. Show Work.
Ostrovityanka [42]

Answer:

There are two pairs of solutions: (2,7) and (-1,4)

Step-by-step explanation:

We will use substitution.

y = x^2 + 3

y = x +5

Since the second equation is equal to y, replace y in the first equation with the second equation.

y = x^2 + 3

x + 5 = x^2 + 3

Rearrange so that one side is equal to 0.

5 - 3 = x^2 - x

2 = x^2 - x

0 = x^2 - x - 2

You may use quadratic formula or any form of factoring to find the zeros (x values that make the equation equal to 0).

a = 1, b = -1, c = -2

Zeros = \frac{-b + \sqrt{b^{2}-4ac }  }{2a} and \frac{-b - \sqrt{b^{2}-4ac }  }{2a}

Zeros = 2 and -1

Now that you have your x values, plug them into the equations to find their corresponding y values.

y = x^2 + 3

y = (2)^2 + 3

y = 7

Pair #1: (2,7)

y = x^2 + 3

y = (-1)^2 + 3

y = 4

Pair #2: (-1,4)

Therefore, there are two pairs of solutions: (2,7) and (-1,4).

8 0
2 years ago
PLEASE ANSWER 90 POINTS!!
denpristay [2]

Answer:

unlikey

Step-by-step explanation:

6 0
2 years ago
In which order would the following numbers come from least to greatest?
Mekhanik [1.2K]

Answer:

-7/3, 0.5, 2/3, 3/4, 1.2 valued least to greatest

Step-by-step explanation:

-7/3 is negative then 0.5 then 2/3 is .6666 as a decimal then 3/4 which is .75 as a decimal and then 1.2

6 0
2 years ago
List from least to greatest<br> 4.1, 0.25, 0.042, 2.21
jolli1 [7]

Answer:

4.1, 2.21, 0.25,0.042

Step-by-step explanation:

you have to add a 0 onto the first one because it will bring it to be equal to most of the others

3 0
3 years ago
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calculate the average rate of change for the given graph from x=0 to x=3 and select the correct answer
Advocard [28]
Can you attach a picture?

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3 years ago
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