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andriy [413]
3 years ago
13

Which must be true?

Mathematics
2 answers:
dezoksy [38]3 years ago
7 0

Answer:

i think its  C

Step-by-step explanation:

Elan Coil [88]3 years ago
4 0
Imma go with C based off want im seeing here
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If m∠A = m∠B and m∠A + m∠C = ∠D, then m∠B + m∠C = ∠D Which property is shown?
Ad libitum [116K]

Answer:

Substitution Property

Step-by-step explanation:

So we know that:

m\angle A=m\angle B

And we also know that:

m\angle A+m\angle C=\angle D

And by using a specific property, we get that:

m\angle B+m\angle C=\angle D

Essentially, we <em>substituted</em> B for A.

So, this is an example of the substitution property, where if two sides/angles are congruent, we can substitute them for each other.

6 0
3 years ago
What is the percent of 225 is 45
kvv77 [185]

Rewrite the question, as follows:

45 is what percent of 225?


Form the ratio 45/225, and then multiply the result by 100%:

0.20(100%) = 20% (answer)


4 0
3 years ago
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(THIS IS A ANSWER FOR SOME PEOPLE FOR THIS MATH QUESTION)
Phantasy [73]

Answer:

omg thank you I needed this answer

7 0
4 years ago
Find the perimeter for both questions. Both questions are compound shapes please provide working out.
Marrrta [24]
First one:
You take 10 + 3 =13 then add 9 then 5. That all equals 27. Then you add 1 for the top part that isn’t labeled because it’s 10 in the bottom then 9 at the top which means it’s 1. Then for the side that’s unlabeled it’s 2 since it’s all 5 then the other side is 3. Answer is 31



Second one:

This one is the same as #1. You add 14+6+3+4 = 27. The long horizontal unlabeled side is 11 bc 14-3 = 11. Then the other side 2. Answer is 30.
8 0
3 years ago
Which of these is the best definition of an ellipse?
MArishka [77]

Answer:

I think it's B.

Step-by-step explanation:

Sorry if I'm wrong :/

4 0
3 years ago
Read 2 more answers
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