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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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If 3% of a number equals 1, find 12% of that number.
dybincka [34]

Answer:

Number is 4

Step-by-step explanation:

.03n = 1

n = 1/.03

.12 x (1/.03) = 4

8 0
3 years ago
Which inequality does the graph represent?
Gre4nikov [31]

Answer:

x < 2

Step-by-step explanation:

it is an empty dot so it does not include 2

6 0
3 years ago
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What is the median value of the data set shown on the line plot?
castortr0y [4]

Answer:

The median is 30

Step-by-step explanation:

The median is basically calculating the numbers before you, in median you need to find the middle value number. And its 30.

7 0
3 years ago
2a+5a answer and show all working to get answer​
Oduvanchick [21]

Answer:

7a

Step-by-step explanation:

You would just add the two numbers and put the a in front of the answer. It would be 2 + 5 (which is 7) then put the a after the 7.

4 0
3 years ago
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Find sin0, cos0, tan0
djverab [1.8K]

Answer:

sin(θ) = 12/13, cos(θ) = 5/13, tan(θ) = 12/5

Step-by-step explanation:

We need to find sine, cosine, and tangent of theta for this triangle.

First, define the different trigonometric functions:

- sine is opposite side to the angle divided by the hypotenuse (longest side not adjacent to the 90 degree angle)

- cosine is the adjacent side next to the angle divided by the hypotenuse

- tangent is the opposite side to the angle divided by the adjacent side

Now, look at theta (θ):

- the opposite side is marked 12

- the adjacent side is marked 5

- the hypotenuse is marked 13

So:

- sin(θ) = opposite / hypotenuse = 12/13

- cos(θ) = adjacent / hypotenuse = 5/13

- tan(θ) = opposite / adjacent = 12/5

Thus the answers are: sin(θ) = 12/13, cos(θ) = 5/13, tan(θ) = 12/5.

6 0
3 years ago
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