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Natasha2012 [34]
2 years ago
13

Simplify. 8m+4n+7m−2n What is the answerWhich expression shows the result of applying the distributive property to 3(2x−6) ?

Mathematics
1 answer:
Alexandra [31]2 years ago
6 0

Answer:

  1. 15+2n
  2. 6(x-3)

Step-by-step explanation:

  1. 8m+4n+7n-2n
  2. 8m+7n+4n-2n
  3. 15n+2n
  1. 3(2x-6)
  2. 3 multipied by 2x and 6= 6x-18
  3. The GCF(greatest common factor)is 6
  4. 6x divided by 6 is x and 18 divided by 6 is 3

so the GCF goes outside the parenthesis and the numbers you got after you divided goes inside. 6(x-3)

Hope this helps!

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If the vertex of a parabola is (0, 3), what is the axis of symmetry
GREYUIT [131]

Answer:

The equation of the axis of symmetry for this parabola is x = 0.

Step-by-step explanation:

For parabola's, it's axis of symmetry always goes through the vertex of the parabola. In other words, the axis of symmetry is vertical line that goes through the x-coordinate of the vertex.

Now, the vertex is given as (0,3) which is at x = 0, y = 3.

Thus, the vertical line that goes through the x-coordinate of the vertex will be x = 0

Thus, the equation of the axis of symmetry for this parabola is x = 0.

7 0
3 years ago
Value of x in the given figure​
ololo11 [35]

Answer:

\sf\longmapsto \: x = 3

Step-by-step explanation:

\sf\longmapsto \: 6x  - 7 = 4x - 1

\sf\longmapsto \: 6x - 4x =  - 1 + 7

\sf\longmapsto \: 2x = 6

\sf\longmapsto \: x = 6 \div 2

\sf\longmapsto \: x = 3

6 0
2 years ago
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What is the missing side length in this right triangle?
Harrizon [31]

Answer:

A. 15

Step-by-step explanation:

Ooh, look! This triangle is a Pythagorean triple! Without even needing to use a formula, I can tell that you are correct and the answer is A. 15.

It's based off of a 3-4-5 right triangle, because 9-12-15 simplifies to that if you divide every term by 3. It's basically just a bigger version of a 3-4-5 triangle! Isn't math cool:)

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Witch of the following statements are true​
Sliva [168]
It would be B, although it could be different if there’s a picture above
4 0
2 years ago
If 12 children represents 12.5% of the people attending a concert, how many people are attending the concert
NeTakaya

96 people are attending the concert.

Step-by-step explanation:

Given,

Number of children at concert = 12

This represents 12.5% of the people attending concert.

Let,

p be the total people attending concert.

12.5% of p = 12

\frac{12.5}{100}*p=12\\0.125p=12

Dividing both sides by 0.125

\frac{0.125p}{0.125}=\frac{12}{0.125}\\p=96

96 people are attending the concert.

Keywords: percentage, division

Learn more about division at:

  • brainly.com/question/317601
  • brainly.com/question/306772

#LearnwithBrainly

7 0
3 years ago
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