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Dahasolnce [82]
3 years ago
15

When applied to a triangle, a dilation with a positive scale factor does not preserve __________. A. angle measure B. orientatio

n C. shape D. length
Mathematics
2 answers:
Svet_ta [14]3 years ago
6 0

Answer:

The correct answer is d) length

GREYUIT [131]3 years ago
5 0
D. length because it's a dilation 
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What is the solutions of the equation (4 x + 3)^2=18
tekilochka [14]

Answer:

(4x+3)^2 = 18

16x+9=18

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<u>x=9/16</u>

Step-by-step explanation:

4 0
3 years ago
Please help with this math question
nika2105 [10]
263.27 m^2

rectangle : 15 x 10 = 150 m^2
the half circle at the top has a diameter of 6m. therefore, it’s radius is 3m. if it is cut in half, the part removed from the triangle height is 3m. therefore, the height of the triangle is 35 -15 = 20; 20 - 3 = 17. the height of the triangle is 17. the triangle area formula is a = 1/2(bh).
a = 1/2 (10)(17)
a = 1/2 (170)
a = 85 m^2
the circle would be a = πr^2 but divided by 2 bc it’s a half circle
a = π(3)^2
a = π9
a = 28.27 m^2
150 + 85 + 28.27 = 263.27 m^2
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3 years ago
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Sergeeva-Olga [200]
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Neporo4naja [7]
Answer to 1: 648
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Which is the equation for the line that has a slope of 12 and passes through the point (3, 20)?
sasho [114]

Answer:

y=12x-16

Step-by-step explanation:

y-y1=m(x-x1)

y-20=12(x-3)

y=12x-36+20

y=12x-16

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