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lana [24]
3 years ago
10

Help me please with my math homework (6th grade)

Mathematics
2 answers:
antoniya [11.8K]3 years ago
7 0
Im not sure but I think u have to add or multiply
NNADVOKAT [17]3 years ago
4 0
You have to multiply I think also
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IS IT JUST ME OR FOR RSM I CANT COPY AND PASTE ANYMORE HELLPPP I NEED TO KNOWWWW
Karo-lina-s [1.5K]

Answer:

i can;t copy or paste either bro

Step-by-step explanation:

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3 years ago
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Write words to match the expression
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Three plus the product of four times twelve
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3 years ago
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The table shows information about some children.
Sindrei [870]

Answer:

P(Age\ 12) = \frac{2}{3}

Step-by-step explanation:

Given

        Age 11    Age 12    Total  

Girls   3             5              8

Boys   1             3             4

Required

P(Age\ 12)

The number of aged 12 children is:

Age\ 12 = 5 + 3

Age\ 12 = 8

The total number of children is:

Total=8+4

Total = 12

So, we have:

P(Age\ 12) = \frac{Age\ 12}{Total}

P(Age\ 12) = \frac{8}{12}

Simplify

P(Age\ 12) = \frac{2}{3}

3 0
3 years ago
can someone pleasehelp answer these in the next 30 minutes. ILL GIVE A BRANIEST TO WHOEVER ANSWERS THE CORRECTLY. tysm if u help
EleoNora [17]

Answer:

Step-by-step explanation:

1 in: 30 km

4.3 inches * 30km= 129 km

Since every inch is the same as 30 km.

Second problem

20 test: 163 mins

8.15 mins per test

44*8.15= 358.6 mins round to the nearest whole is 359 mins

8 0
3 years ago
According to a recent New York Times poll, 25% of the public have responded to a telephone call-in
ArbitrLikvidat [17]

Answer:

Probability that exactly two people out of a randomly  chosen group of five people have responded to a telephone call-in poll is 0.264.

Step-by-step explanation:

We are given that according to a recent New York Times poll, 25% of the public have responded to a telephone call-in  poll.

Also, five people have people have been randomly selected.

The above situation can be represented through binomial distribution;

P(X = r) = \binom{n}{r} \times p^{r} \times (1-p)^{n-r};x=0,1,2,3,.......

where, n = number trials (samples) taken = 5 people

           r = number of success = exactly two

           p = probability of success which in our question is probability that

                 public have responded to a telephone call-in  poll, i.e; p = 25%

<em><u>Let X = Number of people who have responded to a telephone call-in  poll</u></em>

So, X ~ Binom(n = 5, p = 0.25)

Now, probability that exactly two people out of group of five people have responded to a telephone call-in poll is given by = P(X = 2)

                P(X = 2)  =  \binom{5}{2} \times 0.25^{2} \times (1-0.25)^{5-2}

                               =  10 \times 0.25^{2}  \times 0.75^{3}

                               =  <u>0.264</u>

<em>Therefore, the probability that exactly two people out of a randomly  chosen group of five people have responded to a telephone call-in poll is 0.264.</em>

3 0
3 years ago
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