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galina1969 [7]
3 years ago
14

What is 4(m+3)=10m-6?

Mathematics
2 answers:
AleksAgata [21]3 years ago
3 0
4(m+3) =10m-6
4m +12= 10m-6                  Expanded the brackets
12= 6m -6                          took away 4m from both sides
18=6m                               added 6 to both sides
m=3                                    divided both sides by 6
nevsk [136]3 years ago
3 0
4 (m+3)=10m-6
4m+12=10m-6
(minus 4 from both sides)
12=6m-6
(add 6 to both sides)
18=6m
(divide both sides by 6)
3=m
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3 0
3 years ago
If an image of a triangle is congruent to the pre-image, what is the scale factor of the dilation?
likoan [24]

Answer:

The scale factor is 1.

Step-by-step explanation:

Let k be the scale factor of a dilation of triangle ABC to form the image triangle A'B'C'.

The dilation is a magnification if

|k|  > 1

In this case, the preimage will be similar to the image triangle.

If

- 1\:  <  \: k \:  <  \: 0 \:  \: or \: \:  0 \:  <  \: k \:  <  \: 1

the dilation is a reduction. The image and pre-image will still be similar.

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5 0
3 years ago
HELP PLSSS I NEED THIS ASAP
Kamila [148]

Multiplying the linear expressions, the correct sequence is given as follows:

  • 5x(-3 -7x)
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  • -15x - 35x²

<h3>How are linear expressions multiplied?</h3>

They are multiplied applying the distributive property, in which all the terms are multiplied and the like terms are combined.

Hence:

5x(-3 -7x)

(5x)(-3) + (5x)(-7x)

-15x - 35x²

Hence the last option is correct.

More can be learned about the multiplication of linear expressions at brainly.com/question/14758247

#SPJ1

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2 years ago
What is + (25% of 1)?​
Olin [163]

Answer:

the answer is 0.25

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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