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MariettaO [177]
3 years ago
11

Solve for x, using the exterior angle theorem.

Mathematics
2 answers:
mixer [17]3 years ago
5 0

Answer:

dont know

Step-by-step explanation:

dont know lol

BigorU [14]3 years ago
3 0

Answer:

x=121 degrees

Step-by-step explanation:

The extetior angle theorem states that one exterior angle is equivalent to the sum of the opposite two interior angles. So, we can say that x is the sum of the opposite two interior angles, (53 and 68), and 53+68=121.

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What is the principal square root of -4
devlian [24]

Answer:

The principal square root of -4 is 2i.

Step-by-step explanation:

\sqrt{-4} = 2i

We have the following steps to get the answer:

Applying radical rule \sqrt{-a} =\sqrt{-1} \sqrt{a}

We get \sqrt{-4} =\sqrt{-1} \sqrt{4}

As per imaginary rule we know that \sqrt{-1}=i

= \sqrt{4} i

Now \sqrt{4} =2

Hence, the answer is 2i.

6 0
3 years ago
10. Evaluate the expression (ab) for a = 2 and b = 5.​
Sveta_85 [38]

Answer:

10

Step-by-step explanation:

(5*2)=10

5 0
3 years ago
Read 2 more answers
Can you guys please help me with this. I really need these answers or i will get a 0 :( please make sure they're correct! <3
jek_recluse [69]
Well, both AMC are on the line I don’t exactly understand what the question is
6 0
3 years ago
Read 2 more answers
A sequence is defined recursively using the formula f(n+1)=-0.5f(n). If the first term of the sequence is 120, what is f(5)?
kumpel [21]
<u><em>Answer:</em></u>
f (5) = 7.5

<u><em>Explanation:</em></u>
<u>The function given is:</u>
f (n+1) = -0.5 f (n)

<u>We are also given that:</u>
first term is 120
<u>This means that:</u>
f (1) = 120

<u>We will get the other terms by substitution as follows:</u>
f (2) = -0.5 f (1) = -0.5(120) = -60
f (3) = -0.5 f(2) = -0.5(60) = 30
f (4) = -0.5 f(3) = -0.5(30) = -15
f (5) = -0.5 f(4) = -0.5(-15) = 7.5

Therefore, f (5) = 7.5

Hope this helps :)
5 0
3 years ago
Read 2 more answers
What are the possible integer values of x when 3 &lt; x &lt; 7.
Naya [18.7K]

Answer:

4,5 and 6

Step-by-step explanation:

If 3<x that means x>3

If x<7 that means 7>x

possible integer values are 4,5 and 6

5 0
2 years ago
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