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Nezavi [6.7K]
3 years ago
11

What is the sum ? I can do it

Mathematics
2 answers:
Elenna [48]3 years ago
8 0
It should be A because when you add the numbers you should be adding the exponents as well 

love history [14]3 years ago
3 0
6x^7 + 8x^7 = 14x^7 <==
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B2+10b+25/b29-9 . B+3/B+5
SCORPION-xisa [38]
<span> b4 + b3 - 45b2 - 27b + 25 ————————————————————————— b2 </span>
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Dana bikes 10 mi in 50 min.<br> <br> <br> <br> At this rate, how far can she bike in 90 min?
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The answer will be 18 miles
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3 years ago
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Need help ASAP! Directions in picture ;)
Len [333]

Answer:

<h2>112°</h2>

Step-by-step explanation:

Angle 8 will also be 112° because both of them( Angle 2 and Angle 8) are exterior alternate angles and exterior alternate angles are always equal.

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6 0
2 years ago
The probability that a civil servant own a car is 1/6,if two civil servants are selected at random.find the probability that
Elodia [21]

Answer:

The data we have is:

the probability that a civil servant own a car is 1/6

Two civil servants are selected at random.

a) The probability that each own a car.

Ok, here we have two events:

Person 1 haves a car.

Person 2 haves a car.

The probability of each of those events is the same, 1/6.

P1 = 1/6

P2 = 1/6

Now, the probability of both events happening at the same time is equal to the product of the individual probabilities.

P = P1*P2 = (1/6)*(1/6) = 1/36.

b) Only one has a car.

Suppose that Person 1 has the car and Person 2 has not a car.

The probability for person 1 is 1/6.

And for person 2, is the negation of having a car:

So if we have prob of having a car = 1/6

Then the probability of not having a car is = 1 - 1/6 = 5/6.

Then we have:

P1 = 1/6

P2 = 5/6.

The joint probability is:

P = P1*P2 = (1/6)*(5/6) = 5/36.

But we also have the case where person 1 does not have a car, and person 2 does have one, then we have a permutation, and the actual probability is two times the obtained above.

P = 2*(5/36) = 10/36

4 0
3 years ago
Help and please make sure it’s right there is only 6 questions :(
olya-2409 [2.1K]

Answer:

answer is -5

Step-by-step explanation:

6 0
3 years ago
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