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Hitman42 [59]
2 years ago
5

triangle ABC is reflected across the y-axis and then dilated by a factor of 1/2 centered at the origin. which statement correctl

y describes the resulting image
Mathematics
1 answer:
Nadya [2.5K]2 years ago
5 0

Answer:

Step-by-step explanation:

The reflection preserves the side lengths and angles of triangle ABC. The dilation preserves angles but not side lengths.

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Help please I need help
Eddi Din [679]

Answer:

x = 5/13

Step-by-step explanation:

x+\dfrac{2}{13}=\dfrac{7}{13}\\\\ x+\dfrac{2}{13}-\dfrac{2}{13}=\dfrac{7}{13}-\dfrac{2}{13}\\\\x+0=\dfrac{7-2}{13}\\\\\boxed{x=\dfrac{5}{13}=0.38462}

7 0
3 years ago
¿Cómo clasificarías este triángulo? ¡Recuerda que necesita dos nombres!
joja [24]

Answer:

how would you classify this triangle? remember you need two names.

3 0
2 years ago
From a pile of 100 pennies(P), 100 nickels(N), and 100 dimes(D), select 21 coins which have a total value of exactly $1.00. In y
Murrr4er [49]
So, you need 10 penny, 4 nickles and 7 dimes
Lets, check it.
According to the question,
total coins = 21
7 + 4 + 10 = 21
21 = 21.........................................true
Now,
their value should equal $1.00 = 100 cents
Penny = 1 cent
nickle = 5 cent
dime = 10 cent,
So,
(10 *1) + (4 * 5) + (7 * 10) = 100
10 + 20 + 70 = 100
100 = 100......................................true

 
So, you need 10 penny, 4 nickle, and 7 dimes
4 0
3 years ago
At a high school the student government is made up of 5 seniors, 4 juniors, 3 sophomores and 2 freshmen. If there are 8 seniors,
hjlf

Answer:

  • 32598720

Step-by-step explanation:

<u>Combination for the school government requires:</u>

  • 5 out of 8 seniors = 8! / 3!5! = 6*7*8/2*3 = 7*8 = 56
  • 4 out of 9 juniors = 9! / 4!5! = 6*7*8*9/2*3*4= 7*2*9 = 126
  • 3 out of 12 sophomores = 12! / 3!9! = 10*11*12/2*3 = 10*11*2 = 220
  • 2 out of 7 fishermen = 7! / 2!5! = 6*7/2 = 21

<u>So number of total ways is:</u>

  • 56*126*220*21 = 32598720
5 0
2 years ago
A rectangular cutting borad is 10 inches wide and 19 inches long. what is it area?​
Sauron [17]

Answer:

190 inches²

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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