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Phoenix [80]
3 years ago
9

If CB 1 AB and mA = 60, what is the measure of C?

Mathematics
1 answer:
Yanka [14]3 years ago
5 0

Answer:

The answer should be D. 120 degrees

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Determine whether each argument is valid. if the argument is valid, give a proof using the laws of logic. if the argument is inv
Ede4ka [16]
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3 years ago
PLEASE HELP ME QUICKLY!!! Given that N:{1,2,3,5,8,13} and M:{−9,−8,−6,−4,−2,4}, which statements about N and M are true?
Lelechka [254]

Answer:

The intersection of N and M contains only those elements that are in both N and M.

The intersection of N and M is ϕ.

​N∩M=∅

Step-by-step explanation:

Given

M = { 1, 2, 3, 5, 8, 13}

N = {-9, -8, -6, -4, -2, 4}

Now let us see each statement one by one.

The intersection of N and M contains only those elements that are in both N and M.

The statement is true because by definition intersection of two sets consists of common elements of both sets.

The intersection of N and M is ϕ.

The statement is true. As there is no common element in both sets.

The intersection of N and M is {−9,−8,−6,−4,−2}.

The statement is false because there is not common element in M and N.

N∪M=∅

The statement is false as the union consists of elements of both sets so it can't be empty.

​N∩M=∅

True. Because no common element so intersection will be an empty set..

4 0
2 years ago
The function f(t) = −5t 2 + 20t + 60 models the approximate height of an object
Natalija [7]
F(t) = -5t^2 + 20t + 60
-5(t^2 - 4t - 12)
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6 seconds
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2 years ago
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Oduvanchick [21]

Answer:

∠K =24

∠L =66

Step-by-step explanation:

first you need to find X in order to solve.

since they are Complementary they add together to equal 90 degrees

so we can set them equal to 90

13x-1=90

13x=91

x=7

now we can plug them in!

---

∠K = 3(7)+3 = 24

∠L =10(7)-4=66

4 0
3 years ago
How do you write 71,700,000,000 in scientific notation?
Helen [10]

Answer:

7.17 (10^10)

Hope this helps!

3 0
3 years ago
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