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Sindrei [870]
3 years ago
7

The coordinates of △ABC are A(12,8), B(10,18), C(4,16). After a dilation, the coordinates are A'(6,4), B'(5,9), C'(2,8). Find th

e scale factor.

Mathematics
1 answer:
melomori [17]3 years ago
5 0

Answer: B  1/2

Step-by-step explanation:

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What is the answer to X+4x=-2 and show your work
Setler79 [48]
I think you meant 'x + 4x = -2'

Combine like terms:

5x = -2

Divide 5 to both sides:

x = -2/5 or -0.4
8 0
3 years ago
Read 2 more answers
50% of 180 dancers said they prefer hip hop class over tap class. How many dancers prefer hip hop class?
Simora [160]

Answer:

90

Step-by-step explanation:

50% of 180 = 90%

90% is the answer.

3 0
2 years ago
I need help. please show your work!
vodomira [7]
X =  10 * 3^n
*************************************************************





8 0
3 years ago
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A healthy human heart beats about 1,533,000 times a year. A sparrow's heart beats about 241,776,000 times in a year. About how m
Galina-37 [17]

Answer:

About 158 times

Step-by-step explanation:

Represent the rate of human heart with H and sparrow's heart with S

H = 1,533,000\ times

S = 241,776,000\ times

Required

Determine how many times faster is S than H

To do this, we simply divide S by H i.e.

Number = \frac{S}{H}

Number = \frac{241,776,000}{1,533,000}

Number = 157.714285714

Number = 158 --- approximated

<em>Hence, the sparrow's heart beats about 158 times faster than the human hearts</em>

5 0
2 years ago
What is the length of one leg of the triangle? 64 cm 64 StartRoot 2 EndRoot cm 128 cm 128 StartRoot 2 EndRoot cm.
zmey [24]

Answer:

Use the Pythagorean theorem for right triangles to solve this

a^2 + b^2 = c^2     where 'a' and 'b' are the legs of the triangle and 'c' is the hypotenuse

so:

8^2 + b^2 = 17^2     solve for the second leg, b

64 + b^2 = 289

b^2 = 289 - 64= 225

b = 15

7 0
3 years ago
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