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AlekseyPX
3 years ago
8

Select THREE expressions that are equivalent to -16x - 68.

Mathematics
1 answer:
slamgirl [31]3 years ago
6 0

Answer:

b, c, d

Step-by-step explanation:

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A group of 8 friends (5 girls and 3 boys) plans to watch a movie, but they have only 5 tickets. If they randomly decide who
nalin [4]

Answer:

53.57%

Step-by-step explanation:

We have to calculate first the specific number of events that interest us, if at least 3 are girls, they mean that 2 are boys, therefore we must find the combinations of 3 girls of 5 and 2 boys of 3, and multiply that, so :

# of ways to succeed = 5C3 * 3C2 = 5! / (3! * (5-3)!) * 3! / (2! * (3-2)!)

 = 10 * 3 = 30

That is, there are 30 favorable cases, now we must calculate the total number of options, which would be the combination of 5 people from the group of 8.

# of random groups of 5 = 8C5 = 8! / (5! * (8-5)!) = 56

That is to say, in total there are 56 ways, the probability would be the quotient of these two numbers like this:

P (3 girls and 2 boys) = 30/56 = 0.5357

Which means that the probability is 53.57%

8 0
3 years ago
There are 45 questions on your math exam. You answered 8/10 of them correctly.how many questions did you answer correctly?
svet-max [94.6K]

Answer: A

Step-by-step explanation: Took the test

7 0
1 year ago
Find the volume of each sphere, both in terms of pi and to the nearest tenth. use 3.14 for pi
zaharov [31]
V=4/3*3.14*81
V=339,12 cubic ft
6 0
4 years ago
Read 2 more answers
Is 0.15 – 0.75p equal to –3(0.15 – 0.2 + 0.25p)?
IceJOKER [234]

Answer: Yes, they are equal

lets see how,

solve the given equation,

–3(0.15 – 0.2 + 0.25p)

Step 1: Inside the bracket solve the similar variables i.e. (0.15 - 0.2)

So it will become,

= -3 ( -0.05 + 0.25p )

Step 2: Multiply each term in the bracket by -3

So it will be,

((-3*-0.05 ) + (-3 * 0.25p))

= 0.15 - 0.75p

Hence 0.15 – 0.75p  is equal to –3(0.15 – 0.2 + 0.25p )

7 0
3 years ago
What integer solves the expression 4 - -5 explain.
AnnZ [28]

Answer:

1

Step-by-step explanation:

the answer is 1

6 0
3 years ago
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