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Phoenix [80]
3 years ago
14

What needs to happen before you can use the reason CPCTC?

Mathematics
1 answer:
zaharov [31]3 years ago
4 0
Answer: before you can use the reason CPCTC it must be stated that the triangles are congruente.

Explanation:

1) CPCTC stands for Corresponding Parts of Congruent Triangles are Congruent.

2) Therefore, to use that reason you first need to prove that the the triangles are congruent.

3) Once, it has been stated that the triangles are congruent, then you can use the reason to state the the corresponding segments are congruent which will let you to state the length of any side of one triangle known the corresponding side of the other triangle, because they are congruent (have the same length).
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Of the following points, name all that lie on the same horizontal line
lina2011 [118]

Answer:

(-5,7) (5,-7)

Step-by-step explanation:

When you are told to lable, show or name the points that lie on a horizontal line, it basically means that; when a line is drawn, it passes through the selected points without changing the direction when joined together (horizontally).

From the above problem, (-5,7) and (5,-7) lie in the same horizontal line.

For (7,-5) and (-7,5) lie in the same vertical line.

Thereforeour, the answer is (-5,7) (5,-7).

5 0
2 years ago
25 points | look at the image please
Anton [14]

Answer:

Ok I look now what

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
What is the total weekly pay for a person earning $9.00 an hour and working only 8 hours a day for 5 days?
melomori [17]
First you woyld find how many hours total he worked.
5 \times 8 = 40
Then take the number of hours and multiply by the pay earned per hour.
40 \times 9 = 360
They would make $360 per week.
6 0
3 years ago
Pls help<br><br> Multiply. write the result in scientific notation<br><br> (1.7*10^-4)(5*10^-5)
kramer
Do the exponents first. 10 to the -4 is 1/10000 or 0.0001 and 10^ -5 is 0.00001. You end up with (1.7*0.0001)(5*0.00001) which is 0.00017*0.00005 which is 0.0000000085 or 0.085*10^-8
5 0
3 years ago
Evaluate the expression 3(x-1)2nd power +2x-7 for x=3
Yanka [14]

Answer:

11

3Step-by-step explanation:

Given

3(x - 1)² + 2x - 7 ← substitute x = 3 into the expression

= 3(3 - 1)² + 2(3) - 7

= 3(2)² + 6 - 7

= 3(4) - 1

= 12 - 1

= 11

5 0
4 years ago
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