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NeTakaya
3 years ago
8

Which property justifies the following statement? If 13x 104 then x 8.

Mathematics
1 answer:
gogolik [260]3 years ago
4 0
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.

Below are the choices that can be found from other source:

A. division property of equality 
<span>B. Reflexive property of equality </span>
<span>C. Substraction property of equality </span>
<span>D. Multiplication property of equality
</span>
The answer is <span>D. Multiplication property of equality</span>
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1. How do you define quadratic equations?​
oksian1 [2.3K]

Answer:

ax^{2} +bx+c^{2}=0

Step-by-step explanation:

A quadratic equation is a equation that takes the form: ax^{2} +bx+c^{2} = 0

   Ex. Using our definition of quadratic equations, ax^{2} +bx+c^{2}=0,

          We can set a = 2, b = 1, c = 6:

               2x^{2} +x+6^{2}=0

               2x^{2} +x+36=0

          Which can then be solved (if you are trying to solve it) as:

               (2x+9)(x-8)=0

                x=\frac{9}{2}, 8

6 0
3 years ago
How many 5 digit zip codes are possible? Zero can be a digit.
andreyandreev [35.5K]

Answer:

There are ten possible digits (0 to 9).

If they can be repeated, you're looking at 10 * 10 *10 * 10 * 10, or 105

This means 100000 possible zip codes if repeatable.

If not, you're looking at one less each time:

10 * 9 * 8 * 7 * 6

90 * 56 * 6

540 * 56 = 30240 zip codes without any repetitions.

8 0
4 years ago
Jennifer can do 8 math problems in 20 minutes. How long would it take her to complete a 10 question test at the same rate?
-BARSIC- [3]

Answer:

25 minutes

Step-by-step explanation: 20 divided by 8 equals 2.5 so she take 2 and a half minutes per question. 2.5 plus 2.5 equals 5 so just add five minutes on her original time. 25 minutes

3 0
4 years ago
Read 2 more answers
Bananas cost $0.56 per pound at Walmart. If I purchased bananas for $1.96, how many pounds did I buy?
Vinil7 [7]

Answer:

4 your welcome have a nice day

5 0
3 years ago
For each 110 mm of coloured fabric Peter uses to make his curtains, he also uses 2 cm of white fabric. Express the amount of whi
jeka57 [31]

Answer:

2:11.

Step-by-step explanation:

2cm = 20 mm.

So the ratio of white fabric to coloured is 20:110

= 2:11.

3 0
3 years ago
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