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olga nikolaevna [1]
2 years ago
5

5+9(m+5)+8 I dont understand the question may you guys explain

Mathematics
2 answers:
viva [34]2 years ago
5 0

Answer:

Simplify

Step-by-step explanation:

You have to simplify the question:

= 5+9m+45+8

= 50+9m+8

= 58+9m

Maksim231197 [3]2 years ago
3 0
The answer would be 58+9m
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Plz help ill give u brainlist
lubasha [3.4K]
Area of the front and back faces = 2 [  (8.1 x 8.1) + (1/2 x 8.1 x 2.1  ] = 148.23 in²

Area of the right and left faces = 2 [ 11.8 x 8.1 ] = 191.16 in²

Area of the top = 2 [4.6 x 11.8] = 108.56 in²

Total Area =  148.23 in² +  191.16 in² + 108.56 in² = 447.95 in²

Answer: Theo will need to paint about 447.95 in².


4 0
3 years ago
In Happyville, the ideal family has four children, at least two of which are girls. If you randomly select a Happyville family t
sleet_krkn [62]

Answer:

0.3125 = 31.25% probability that it is not ideal.

Step-by-step explanation:

For each children, there are only two possible outcomes. Either it is a girl, or they are not. The probability of a child being a girl is independent of any other child. This means that the binomial probability distribution is used to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

0.5 probability of a children being a girl:

This means that p = 0.5

If you randomly select a Happyville family that has four children, what is the probability that it is not ideal?

Not ideal is less than two girls, so this is P(X < 2).

Four children means that n = 4. So

P(X < 2) = P(X = 0) + P(X = 1)

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 0) = C_{4,0}.(0.5)^{0}.(0.5)^{4} = 0.0625

P(X = 1) = C_{4,1}.(0.5)^{1}.(0.5)^{3} = 0.25

P(X < 2) = P(X = 0) + P(X = 1) = 0.0625 + 0.25 = 0.3125

0.3125 = 31.25% probability that it is not ideal.

7 0
2 years ago
Hear aminaescante2003 it was a week ago
erastova [34]

Answer:

crazy how time go by

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
2) Jim invested $4,000 in a bond at a yearly rate of 4.5%. He earned $540 in interest.
zmey [24]
The money was invested for 3 years
7 0
3 years ago
Look at this graph:
Sladkaya [172]

Answer:

2

Step-by-step explanation:

slope=rise/run=20/10=2/1=2.

4 0
3 years ago
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