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horsena [70]
3 years ago
10

What does CPCTC mean in Geometry AND when it is used?

Mathematics
1 answer:
anzhelika [568]3 years ago
6 0
CPCTC?
Corresponding Parts of Congruent Triangles that are congruent

When?
Used when you are trying to prove that 2 triangles, sides, or angles are the same.
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Find the missing side length. Assume that all intersecting sides meet at right angles. Be sure to include the correct unit in yo
klemol [59]
The answer is 6 ft, because you have the lenght of right side minus the length of left side, which is 13-7=6
7 0
3 years ago
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Plz help me with all of this question here and explain how was the incorrect answer obtained
larisa [96]

Answer:

1.) 9

2.) 20

Step-by-step explanation:

1.) 39 is incorrect because they didn't follow the PEMDAS rule.

They subtracted 2 from 15 which is 13, and then they multiplied 13 by 3.

<u>The correct way is to multiply 2 times 3 which is 6, and then subtract 6 from 15 which is 9.</u>

<u />

2.) 12 is incorrect because they didn't use PEMDAS.

They added 8 to 16 which is 24, and then divided 24 by 2.

<u>The correct way is to divide 8 by 2 which is 4, and then add for to 16 which 20.</u>

4 0
3 years ago
PLEASE HELP!!
jek_recluse [69]

Answer:

A

Step-by-step explanation:

A is the answer because it gives direct address to parents and kids. All the others don't give a direct subject, unlike A that says parents and kids.

4 0
2 years ago
Read 2 more answers
At a DBE lecture of 100 students, there are 29 women and 23 men. Out of these students, 4 are teachers and 24 are either men or
sukhopar [10]

Answer:

100-29=71

71-23=48

48/2=24

Therefore, 24-4=20

answer =20

Step-by-step explanation:

twenty teachers are the one attending the the lectures

7 0
3 years ago
Please answer right away
spayn [35]

<u>Answer:</u>

The correct answer option is \frac { 4 } { 4 9 }.

<u>Step-by-step explanation:</u>

We are to find the probability that both your parents were born on weekend (either Saturday or Sunday).

Total number of days in a week = 7

Number of days in weekend = 2

Probability of being born on weekend = \frac { 2 } { 7 }

P (both parents were born on weekend) = \frac{2}{7} \times \frac{2}{7} = 4/49

3 0
3 years ago
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