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irinina [24]
3 years ago
15

Which type of angle is ABC? help quick!

Mathematics
2 answers:
vovikov84 [41]3 years ago
8 0

Answer:

A right angle.

Step-by-step explanation:

65+25 =90

djverab [1.8K]3 years ago
6 0

25+65= 90°

<em>Answer:∠ABC is a vertical angle. </em>Because, vertical angles are 90°

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Evaluate the expression using the order of operations.<br><br> 14 + (40 - 6) ÷ 2
laiz [17]
40-6 is 34
34 divided by 2 is -7
14+17 is 31

ANSWER: 31
7 0
3 years ago
Read 2 more answers
Suppose that Kevin can choose to get home from work by car or bus. When he chooses to get home by car, he arrives home after 7 p
astraxan [27]

Answer:

The approximate probability that Kevin chose to get home from work by bus, given that he arrived home after 7 pm = 0.838

Step-by-step explanation:

Let the probability that Kevin arrives home after 7 pm be P(L)

Probability that Kevin uses the bus = P(B)

Probability that Kevin uses the car = P(C)

Probability of arriving home after 7 pm if the car was taken = P(L|C) = 4% = 0.04

Probability of arriving home after 7 pm if the bus was taken = P(L|B) = 15% = 0.15

The bus is cheaper, So, he uses the bus 58% of the time.

P(B) = 58% = 0.58

P(C) = P(B') = 1 - P(B) = 1 - 0.58 = 0.42

The approximate probability that Kevin chose to get home from work by bus, given that he arrived home after 7 pm = P(B|L)

The conditional probability P(A|B) is given mathematically as

P(A|B) = P(A n B) ÷ P(B)

Hence, the required probability, P(B|L) is given as

P(B|L) = P(B n L) ÷ P(L)

But we do not have any of P(B n L) and P(L)

Although, we can obtain these probabilities from the already given probabilities

P(L|C) = 0.04

P(L|B) = 0.15

P(B) = 0.58

P(C) = 0.42

P(L|C) = P(L n C) ÷ P(C)

P(L n C) = P(L|C) × P(C) = 0.04 × 0.42 = 0.0168

P(L|B) = P(L n B) ÷ P(B)

P(L n B) = P(L|B) × P(B) = 0.15 × 0.58 = 0.087

P(L) = P(L n C) + P(L n B) = 0.0168 + 0.087 = 0.1038 (Since the bus and the car are the two only options)

The approximate probability that Kevin chose to get home from work by bus, given that he arrived home after 7 pm

= P(B|L) = P(B n L) ÷ P(L)

P(B n L) = P(L n B) = 0.087

P(L) = 0.1038

P(B|L) = (0.087/0.1038) = 0.838150289 = 0.838

Hope this Helps!!!

8 0
3 years ago
Divide. 6570 ÷ 16 <br><br> A. 410 <br> B. 410 1/16 <br> C. 410 6/16 <br> D. 410 10/16
Archy [21]
The correct answer is b hope this helped u
4 0
3 years ago
Read 2 more answers
You invested ​$2000 in two accounts paying 7% and 8% annual​ interest, respectively. If the total interest earned for the year w
klemol [59]

Answer:

3,590

Step-by-step explanation:

just add i think

3 0
3 years ago
Read 2 more answers
Carbon–14 is a radioactive isotope that decays exponentially at a rate of 0.0124 percent a year. How many years will it take for
patriot [66]
100-0.0124=99.9876

10%=1/10
1/10P=P(0.999876)^t
divide both sides by P
1/10=0.999876^t
take ln of both sides
ln(1/10)=t (ln(0.999876))
divide both sides by (ln(0.999876))
ln(1/10)/(ln(0.999876))=t
use calculator
18568.08=t
about 18568 years

5 0
2 years ago
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