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umka21 [38]
3 years ago
11

Solve by factoring or finding square roots.

Mathematics
1 answer:
Troyanec [42]3 years ago
3 0

Option D is correct.

Step-by-step explanation:

We need to solve 5x^2=15x by factoring or finding square roots.

We will be solving by factoring.

5x^2=15x\\5x^2-15x=0\\5x(x-3)=0\\5x=0\,\,and\,\,x-3=0\\x=0\,\,and\,\,x=3\\

So, solving 5x^2=15x by factoring we get x=0 and x=3

So, Option D is correct.

Keywords: Factorization

Learn more about Factorization at:

  • brainly.com/question/1464739
  • brainly.com/question/1414350
  • brainly.com/question/1464739

#learnwithBrainly

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sdas [7]

Answer:

6 hours

Step-by-step explanation:

First, since they all collected 510, you divide 510 by 5, to figure out how much each person got.

You then know that each of them got 102 candies, so now, you subtract 12 from from 102, since the teacher gave them that much in the beginning.

You're left with 90, so last step is to divide 90 by 15, since they collect 15 every hour, which you get left with 6. Meaning they collected candies for 6 hours

8 0
3 years ago
Read 2 more answers
Help me as soon as possible PLEASE HELP
disa [49]

Answer:

QRT = 47, TRS = 133

Step-by-step explanation:

Since QRS is a line, QRT + TRS = 180.

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Then, solve for x. Combine like terms.

13x-2=180\\13x=182\\x=14

Then, plug in 14 for x.

1. (3*14+5)\\\\QRT = 47\\\\2. (10*14-7)\\\\TRS = 133

7 0
3 years ago
A square with a side length of 3 units is dilated with a scale factor of 2.
Anna [14]
<h3> - - - - - - - - - - - - - ~<u>Hello There</u>!~ - - - - - - - - - - - - - </h3>

➷Simply multiply by 2:

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4 years ago
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Step-by-step explanation:

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