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Assoli18 [71]
3 years ago
13

A triangle has vertices A(0, 0), B, (–2, 8), and C(1, 7). What are the coordinates of the triangle after a dilation with a scale

factor of 4?
Mathematics
2 answers:
Elina [12.6K]3 years ago
7 0

Answer:

Basically multiply the x and y coordinates of each point by 1/2

For example, I'll do C which is ( -2 , 10 )

-2 * 1/2 = -1 and 1/2 * 10 = 5

The new coordinate is ( -1 , 5 )

Now you can try the other points

ololo11 [35]3 years ago
5 0

Answer:

Step-by-step explanation:

mutiply x and y component by 4

A(0 , 0) = (4*0 ,,4*0)

A' = (0 , 0)

B(-2 , 8) = (-2*4 , 8*4)

B' = (-8 , 24)

C(1 , 7) = (1*4 , 4*7)

C' = (4 , 28)

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The population in the United States is approximately 3.2× 10^8. A total of 1.4 × 10^6 people immigrated to the United States. De
kodGreya [7K]

Answer:

3.186 x 10^8

Step-by-step explanation:

3.2× 10^8 = 320,000,000

1.4 × 10^6 = 1,400,000

320,000,000 - 1,400,000 = 318,600,000

318,600,000 = 3.186 x 10^8

   - you get to the power of eight, by counting the amount of spaces the decimal moved over (moving to the left increase, but right decreases)

8 0
3 years ago
Please answer both questions and show all your work. I am in a hurry... please...
nikklg [1K]

Answer: 1) 9 days

2) a)37.5%

b)50%

c) 33.33%


Step-by-step explanation:

1) - Let's call:

x: number of days the company supposed to finish the order.

- You know that the company had to produce 40 items daily, but it produced 20 items more daily and finished the order 3 days ahead of time. Therefore, you can express this as following:

40x=(40+20)(x-3)\\40x=60(x-3)

- Solve for x:

40x=60x-180\\-20x=-180\\x=9

(The answer is 9 days)

2) a) The percent that belongs to three people if eight eight people share equally in an inheritance, can be calculated as following:

\frac{3}{8}*100=37.5%

b) The percent that belongs to three people if six people share equally in an inheritance (because two of the people are disinherited) can be calculated as following:

\frac{3}{6}*100=50%

c) - The increase goes from 1/8 to 1/6, therefore, you must subtract them:

\frac{1}{6}-\frac{1}{8}=\frac{1}{24}=0.04167

- Divide the result by 1/8 and multiply by 100 to obtain the percent:

\frac{0.04167}{\frac{1}{8}}*100=33.33%

5 0
3 years ago
8/10 divided by 1/2=?<br><br> show how you got the answer
zheka24 [161]

Answer:

here you go

its 8/5 as a fration

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kiruha [24]

were are the answer choices

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4 years ago
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Alex_Xolod [135]

Answer:

Step-by-step explanation:

1 False

2 True

3 False

4 false

lol that was ezy

8 0
3 years ago
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