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Mazyrski [523]
3 years ago
15

(50)points 5 questions

Mathematics
2 answers:
Maslowich3 years ago
8 0
1st Question: 
the answer is 85 because the angle measure does not change even if you rotate the figure.
2nd Question:
The answer is A) reflection across y-axis and translation 7 units down 
3rd Question:
The first answer choice is correct because the figure increases/decreases in length on all side lengths and the angle measures stay the same.
Question 10: (on the test online)
The answer is 12*6 or 72 because 30 (a'b') / 5 (ab) is 6 giving you the scale factor for the dilation.
Question 11:
The answer is a dilation
Question 12: 
The answer is a dilation and a translation because you first increase the size of the figure then move it down and to the right.


Anastasy [175]3 years ago
7 0

Answer:

1st Question:  

the answer is 85 because the angle measure does not change even if you rotate the figure.

2nd Question:

The answer is A) reflection across y-axis and translation 7 units down

Step-by-step explanation:

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A
GREYUIT [131]
The answer is D. First, it is the segment addition postulate because the two segments make up the whole. Second, it's substitution because you are substituting EF + FG for FH.

Hope this helps!
8 0
3 years ago
Read 2 more answers
Please help asap 30 pts
motikmotik

Answer:

20 or D.

Step-by-step explanation:

You simply plug in the values given for a and b:

4(5)+7(-3)+3(5)-2(-3) = 20-21+15+6=20

So, your answer is 20.

5 0
3 years ago
Read 2 more answers
In the diagram below, the horizontal lines are parallel. Find the value of x
marta [7]

Answer:

128

Step-by-step explanation:

180 - 52

5 0
2 years ago
If 15 actuators have failed today, what is the probability that a) at least 10 are repairable? b) from 3 to 8 are repairable? c)
Ann [662]

The probabilities of at least 10 are repairable is 1/3. and probabilities of from 3 to 8 are repairable is 1/5*8/15 and probabilities of exactly 5 are repairable is 1/3.

According to the statement

we have given that If 15 actuators have failed and we have to find the probabilities on some conditions.

we know that the formula of probabilities is

probability = possible outcomes / total outcomes

So,

  • at least 10 are repairable = 1 - (10 are not repairable)

at least 10 are repairable = 1 - 10/15

at least 10 are repairable = (15 - 10)/15

at least 10 are repairable = (5)/15

at least 10 are repairable = 1/3

  • from 3 to 8 are repairable = 3/15 *8/15

from 3 to 8 are repairable = 1/5 *8/15

  • exactly 5 are repairable = 5/15

exactly 5 are repairable = 1/3

These are the probabilities of the given conditions.

So, The probabilities of at least 10 are repairable is 1/3. and probabilities of from 3 to 8 are repairable is 1/5*8/15 and probabilities of exactly 5 are repairable is 1/3.

Learn more about PROBABILITIES here brainly.com/question/25870256

#SPJ4

6 0
2 years ago
HELP PLEASE!!! IM DOING A QUIZ!
Marat540 [252]

Answer:

equivalent = 30w 30(w) 30*w

the rest are non equivalent

8 0
3 years ago
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