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skad [1K]
3 years ago
8

Hi guys, I need help on this practice anyone willing to help; list of things to do

Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
5 0

Answer:

B. y = x - 2

Step-by-step explanation:

The sale price (y) is $2 less than the original price (x - 2).

To test this out, if a book's original price is $10..

x = 10

Using y = x - 2 and to test out if it works, we'll plug in x = 10 to discover y.

y = 10 - 2

y = 8

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Simplify the expression.
bearhunter [10]

Answer:

  D. x to the power of nine

Step-by-step explanation:

The applicable rule of exponents is ...

  (x^a)^b = x^(ab)

You have a=3/2, b=6, so ab = 3/2·6 = 9.

  (x^(3/2))^6 = x^(3/2·6) = x^9

3 0
3 years ago
What is the slope??????
OleMash [197]
Slope is how much a line goes up in ratio to how much the line goes to the right
(rise) / (run)
(y2 - y1) / (x2 - x1) when given points (x1, y1) and (x2, y2)
every time you go to the Right 1 unit, how much it goes Up is the slope
(if it is down, the slope is negative)
7 0
4 years ago
There are two numbers. the sum of the larger number and three times the smaller number is 14. the larger number is two more than
MatroZZZ [7]
First, you have to give each a variable. In this case, the smaller number will be x and the larger number will be y.

Next, you need to make the equations. Your equations are:
y+3x=14
x+2=y

What you're solving for is y because the questions asks what the larger number is.

Then, substitute. It will be this after substituted:

x+2+3x=14

Combine like terms.

4x+2=14

Subtract by 2 on both sides.

4x=12

Divide by 4 on both sides.

x=3

^This what your smaller number is but you can easily find what y (the larger number) is. Substitute x into the other equation, which is basically adding 2 to 3.

y=5

(D)

5 0
4 years ago
What is the growth rate
mafiozo [28]
The percentage change of specific variables with a specific time period .
4 0
3 years ago
Find all solutions to the given equation: (x − 3)(x +2) = 0
Vladimir [108]

Answer:

x = -2,3

Step-by-step explanation:

Given: (x − 3)(x +2) = 0

To find the solution of above factor.

It is already in factor form.

Two factors are (x-3) and (x+2)

So, set each factor to 0 and solve for x

(x − 3)  = 0     or     (x +2)  = 0

x - 3 = 0   or   x + 2 = 0

x = 3   or  x = -2

Hence, The solution of the (x − 3)(x +2) = 0 are 3 and -2

4 0
3 years ago
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