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Alika [10]
3 years ago
9

Please help with 2 questions and show all work please thank you!

Mathematics
1 answer:
erica [24]3 years ago
6 0
Question 1:
It is given that BC = EC and AC = DC. According to the definition of vertical angles, ∠BCA = ∠DCE. Thus, the two triangles are congruent by SAS. According to CPCTC, BA must be congruent to ED.

Edit this paragraph to make it more "yours"

Question 2:
A and E are base angles.
B and D are legs.
F is the base.
C is the vertex angle.

Have an awesome day! :)
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the mean length of 7 books is 258 pages . the longest book has 294 pages. what is the mean length of the other 6 books
den301095 [7]
I think you divide.. find the mean of all of the numbers?
8 0
4 years ago
Suppose that f is an odd function of x. Does knowing that modifyingbelow lim with x right arrow 0 superscript plus f left parent
algol13

Answer: we should have that:

\lim_{x \to \--0} f(x) = -3

Step-by-step explanation:

We know that f(x) is an odd function, this means that f(-x) = -f(x)

We know that:

\lim_{x \to \++0} f(x) = 3

this means that wen we aproximate to zero for the right (the positive side) we have that the value is.

First, this tell us that f(x) can not be a continue function, because of the fact that is odd we will have that when we aproximate the same lim but from the negative side, we will have that:

\lim_{x \to \--0} f(x) = -3

7 0
4 years ago
Read 2 more answers
Which of the following ordered pairs is a solution of 3x+2y=-19
34kurt
We need the ordered pairs to choose an answer, but if you want to do it yourself you plug in the x and y values (x,y) and test to see if the equation is true, and equals -19.
8 0
3 years ago
(From Unit 4, Lesson 1.)
damaskus [11]

The values of the missing sides is DE = 12 and AC = 6.5

<h3>Similar triangles</h3>

Two triangles are said to be similar if the ratio of their corresponding sides are in the same proportion. Also all the corresponding angles are congruent.

Using Pythagoras:

AC² = AB² + BC²

AC² = 2.5² + 6²

AC = 6.5

Using similar triangles:

BC / DE = AB / EF

6/DE = 2.5/5

DE = 12

The values of the missing sides is DE = 12 and AC = 6.5

Find out more on Similar triangles at: brainly.com/question/14285697

4 0
3 years ago
Label the missing side lenght of the figure khan academy
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Answer:

i cant telll bc theres no picture

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3 years ago
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