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Paul [167]
2 years ago
12

What is 15 ft. × 18 ft.

Mathematics
2 answers:
son4ous [18]2 years ago
8 0

Answer:

270ft^2

Step-by-step explanation:

we need to multiply the terms given

15feet*18feet

we know feet*feet=feet^{2}

=ft^2

and

15*18=270

finally  we have

270feet^{2}

=270ft^2

jeka57 [31]2 years ago
6 0

Answer:

270 ft^2

Step-by-step explanation:

you are trying to find the area so you multiple 15 times 18 which is 270. Then feet times feet is feet squared. so you get 270 square feet.

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Use the distance formula to find the distance if point a is 3,4 and point b is 1,2
Fed [463]

Answer:

square root of 8

Step-by-step explanation:

3 0
3 years ago
Question 4 options: Find the mean and standard deviation for a binomial distribution with 680 trials and a probability of succes
lys-0071 [83]

Answer:

Mean for a binomial distribution = 374

Standard deviation for a binomial distribution = 12.97

Step-by-step explanation:

We are given a binomial distribution with 680 trials and a probability of success of 0.55.

The above situation can be represented through Binomial distribution;

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

where, n = number of trials (samples) taken = 680 trials

            r = number of success  

           p = probability of success which in our question is 0.55

So, it means X <em>~ </em>Binom(n=680, p=0.55)

<em><u>Now, we have to find the mean and standard deviation of the given binomial distribution.</u></em>

  • Mean of Binomial Distribution is given by;

                    E(X) = n \times p

       So, E(X) = 680 \times 0.55 = 374

  • Standard deviation of Binomial Distribution is given by;

                   S.D.(X) = \sqrt{n \times p \times (1-p)}

                               = \sqrt{680 \times 0.55 \times (1-0.55)}

                               = \sqrt{680 \times 0.55 \times 0.45} = 12.97

Therefore, Mean and standard deviation for binomial distribution is 374 and 12.97 respectively.

3 0
3 years ago
PLEASE HELP! Please I’m having a hard time with this I’ll be thankful
Arlecino [84]

Answer:

80 and 96

Step-by-step explanation:

80 and 96

7 0
2 years ago
Read 2 more answers
4 ft<br> 3 ft!<br> 4 ft<br> 7 ft<br> Area:
Sergio [31]

Answer:336ft

Step-by-step explanation:

multiply

7 0
3 years ago
Read 2 more answers
Help ASAP plz!!
marusya05 [52]
Answer: D
(0,-4) (12,6)
slope= 10/12
slope== 5/6
y=5/6x+b
-4=0+b
b=-4
the equation of the line is
y=5/6x-4

6 0
3 years ago
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