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melomori [17]
3 years ago
7

How to do a fraction paper

Mathematics
1 answer:
leonid [27]3 years ago
6 0
<span>Step 1: Make sure the bottom numbers (the denominators) are the same.Step 2: Add the top numbers (the numerators), put the answer over the denominator.<span>Step 3: Simplify the fraction (if needed)</span></span>
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Solve 2x2 + 12x - 14 = 0 by completing the square
vovangra [49]

Answer:

<h2>x = -7 or x = 1</h2>

Step-by-step explanation:

(a+b)^2=a^2+2ab+b^2\qquad(*)\\\\\\2x^2+12x-14=0\qquad\text{divide both sides by 2}\\\\x^2+6x-7=0\qquad\text{add 7 to both sides}\\\\x^2+2(x)(3)=7\qquad\text{add}\ 3^2=9\ \text{to both sides}\\\\\underbrace{x^2+2(x)(3)+3^2}_{(*)}=7+9\\\\(x+3)^2=16\Rightarrow x+3=\pm\sqrt{16}\\\\x+3=-4\ or\ x+3=4\qquad\text{subtract 3 from both sides}\\\\x=-7\ or\ x=1

5 0
4 years ago
A middle school principal wants to change the lunch menu at the school. The principal surveys the students to determine how the
IceJOKER [234]
I think A or D PLEASE MARK BRAINLIEST
7 0
4 years ago
Read 2 more answers
Marie plays the state lottery. During the lotteries in June, she lost $10, won $20, lost $8, lost $12, and won $25. What was the
xenn [34]
The answer to your question is Marie won 15$
7 0
3 years ago
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A laptop computer that you want to purchase was originally priced at $1,675. You will receive a 30% student discount, and the sa
cupoosta [38]

Answer:

Selling price = $1242.85

Step-by-step explanation:

Given the following data;

Cost price = $1,675

Discount = 30%

Sales tax rate = 6%

To find the selling price;

First of all, we would determine the discount price.

Discount price = 30/100 * 1675

Discount price = 50250/100

Discount price = $502.5

New price = cost price - discount

New price = 1675 - 502.5

New price = $1172.5

Next, we calculate the sales tax.

Sales tax price = 6/100 * 1172.5

Sales tax price = 7035/100

Sales tax price = 70.35

Now, we can determine the selling price after discount and sales tax;

Selling price = 1172.5 + 70.35

Selling price = $1242.85

Therefore, you will pay $1242.85 for the laptop computer.

5 0
3 years ago
HELP ME PLEEESE. I need the solution. What is the value of x?
elena-s [515]

Answer:

x = 15

Step-by-step explanation:

create a proportion:   <u> x + 10 </u> = <u> x + x + 10 </u>

                                       5               8

cross-multiply:  8(x + 10) = 5(2x + 10)

                          8x + 80 = 10x + 50

                                  80 = 2x + 50

                                  30 = 2x

                                   15 = x

6 0
3 years ago
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