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seropon [69]
3 years ago
10

Angle A and Angle B are complimentary angles. If the measure of Angle A is 42 find the measure of angle B

Mathematics
2 answers:
deff fn [24]3 years ago
8 0

Here's my step-by-step explanation:

@Jdoe0001 already gave you a hint in the comment section, and that's a real giveaway, but I'll expand on the hint.

Complimentary angles add up to 90°, and A and B are complimentary, then A+B = 90°. A proof.

Substitute. 42° + B = 90°.

B = 90° - 42°

B = 48°

Hope this helps!

finlep [7]3 years ago
5 0

Step-by-step explanation:

Given :

A + B = 90⁰

42⁰ + B = 90⁰

B = 48⁰

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NeTakaya

Answer:

a_t=ar^{t-1}

t=6 months

Step-by-step explanation:

We are given that the number of people playing a new phone app game triples every month

When the app first launch , the number of people started playing the  game  right away=800

According to question

The number of peoples are currently playing the game=194,400

We solve by using the formula of  geometric series because we get a geometric series pattern

The number of people playing the game when app game launch=800

The number of people playing game after one month=2400

800,2400,7200,........,194,400

a_1=800,a_2=2400,a_3=7200,a_t=194,400

We are finding common ratio

\frac{a_2}{a_1}=\frac{2400}{800}=3

\frac{a_3}{a_2}=\frac{7200}{2400}=3

Hence, the common ratio is 3 therefor nth term of  G.P

a_t=ar^{t-1}

a=800,r=3,a_t=194,400

Substitute the values then we get

194,400=800(3)^{t-1}

\frac[194400}{800}=(3)^{t-1}

243=3^{t-1}

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When base are same on both side then the power are equals

Therefore, t-1=5

t=5+1=6

Hence, when there are 194,400 people currently playing the game then

the number of months ,t=6 that have passed since the app launched.

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3 years ago
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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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