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3 years ago

dilate triangle ABC using center p and scale factor 3/2. what do properties of dilations tell you about B'? (Answer B)

Mathematics

1 answer:

alexandr1967 [171]3 years ago

5 0

Answer b is the church of church church and

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The age of a boy is twice that of his sister. five years ago the boy was 3 times the age of his sister. How old is the boy

joja [24]

Answer:

<h2>20 years old.</h2>

Solution,

Let the age of sister be X

Let the age of boy be 2x

Now,

Five years ago,

 $3(x - 5) = 2x - 5 \\ or \: 3x - 15 = 2x - 5 \\ or \: 3x - 2x = - 5 + 15 \\ x = 10$ 

Again,

Replacing value,

 $age \: of \: boy = 2x \\ \: \: \: \: \: \: \: \: \: \: \: \: \: = 2 \times 10 \\ \: \: \: \: \: \: \: \: \: \: \: = 20$ 

hope this helps..

Good luck on your assignment..

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3 years ago

Lines K and N are perpendicular If the slope of line K is -6, what is the slope of Line N

djverab [1.8K]

line N has slope m = $\frac{1}{6}$

given a line with slope m then the slope of a line perpendicular to it is

$m_{perpendicular}$ = - $\frac{1}{m}$

thus line N has slope - $\frac{1}{- 6}$ = $\frac{1}{6}$

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3 years ago

Tell which is greater 11/15,74%

Mekhanik [1.2K]

74% is grater hope i helped

4 0

3 years ago

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PLEASE MATH HELP ( EASY )

Natalija [7]

Answer:

Step-by-step explanation:

28° into radians

28° = ( 28 * $\frac{\pi }{180}$ )

Divide 28 and 180 by 4 we get

= ( $\frac{7\pi }{45}$ )

Hope it helped :)

6 0

3 years ago

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Need help with 7-10 please and thank you!!

Archy [21]

Answer:

#7: MK, LS and PR

#8: PN and PQ

#9: no

#10: no

Step-by-step explanation:

#7: lines MK, LS and PR are not intersecting each other, so these lines are parallel each other

#8: between lines PN and PQ is an right angle, so the lines PN and PQ are perpendicular

#9: lines PN and KM have an intesecting point, so they're not parallel

#10: there is no right angle between lines PR and NP

3 0

3 years ago