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Alisiya [41]
3 years ago
10

What is the scale factor?

Mathematics
1 answer:
djverab [1.8K]3 years ago
4 0
The scale factor is 2
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The smaller triangle was dilated to form the larger triangle. What is the value of x? PLEASE HELP!!
Goshia [24]
The value of x is equal to 14.
 
Since the bottom side is equal to 3 of the small triangle and the side of the larger triangle is equal to 9, that means that it was dilated by a factor of 3, since 3 * 3 = 9
So, the other side of 5, of the smaller triangle needs to be also be dilated by a factor of 3, so the new side is 15.
The larger triangle tells us that the side is x + 1, but we know that it is equal to 15. Since they are the same, we make them equal and solve for x
So, 15 = x + 1
We subtract 1 to isolate x and we get
14 = x
So, x is equals to 14.
I hope this helps.
YOU'RE WELCOME :D
3 0
3 years ago
Read 2 more answers
Find measure of angle labeled X
trasher [3.6K]
Is it number15?
then it is 
3x = 180
x = 60
x will be 60
7 0
3 years ago
Read 2 more answers
PLEASE HELP
lisabon 2012 [21]

Answer:

Step-by-step explanation:

5 0
3 years ago
If the measure of angle 2 is 3x, and the measure of 1 is 5x - 12 what is the measure of angle 9 ?
Mariana [72]
3x+5x-12=180
8x=180+12
8x=192
x=192/8
x=24

angle 1 = 5x-12
=5(24)-12
=120-12
=108

angle 2= 3x =3*24=72

angle 1 = angle 9
angle 9= 108
8 0
3 years ago
Solve for a.<br> a^2=-3a+88
Sergio [31]

Answer:

a=8,-11

Step-by-step explanation:

a^2=-3a+88

a^2+3a=88

a^2+3a-88=0

x=\frac{-b\pm\sqrt{b^2-4ac} }{2a}

x=\frac{-3\pm\sqrt{3^2-4(1)(-88)} }{2(1)}

x=\frac{-3\pm\sqrt{9+352} }{2}

x=\frac{-3\pm\sqrt{361} }{2}

x=\frac{-3\pm19 }{2}

x=-11 and x=8

Therefore, the values of a are 8 and -11.

5 0
2 years ago
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