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erastova [34]
2 years ago
7

Pleas help me for 20 points

Mathematics
2 answers:
Anvisha [2.4K]2 years ago
7 0

Answer:

240sqin

Step-by-step explanation:

if you convert 4/3ft into inches you get 16 inches so multiplty 15x16=204sqin Hope this helps! ;-)

nydimaria [60]2 years ago
7 0

Answer:

234

Step-by-step explanation:

area = length × breadth

= 15.6in × 15in

= 234in²

1ft = 15in

4/3 = 15.6in

hope it helps :)

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Laura wants to learn more about her new high-school. Which of the following is a statistical question Laura could ask.
Artist 52 [7]

Answer:

B. Who is the principal

Step-by-step explanation:

hope it may help

8 0
2 years ago
Which equation is equivalent to<br> y-1= 5(x+2) ?
Agata [3.3K]

Step-by-step explanation:

We can simply by opening the brackets ,

=> y - 1 = 5( x - 2 )

=> y - 1 = 5x - 10

=> y - 5x = -9

=> 5x - y + 9 = 0

8 0
3 years ago
Given f(x)= 3x^2-5x+2 and g(x)= 4x- 6, find f(x)+g(x).
kirill115 [55]

f(x) = 3x² - 5x + 2

g(x) = 4x - 6


f(x) + g(x)


(3x²- 5x + 2) + (4x - 6)

3x² - 5x + 2 + 4x - 6

3x²- 5x + 4x + 2 - 6

3x² - x - 4

8 0
3 years ago
What is the value of the 4 in the number 27.43 write your answer as a fraction​
egoroff_w [7]

Answer:

⅖

Step-by-step explanation:

In 27.43,

There are 2 tens, 7 units, 4 tenths and 2 hundredths

4/10

2/5

6 0
3 years ago
In a certain city district the need for money to buy drugs is stated as the reason for 70% of all thefts. Find the probability t
torisob [31]

Answer:

9.72% probability that among the next 7 theft cases reported in this district, exactly 3 of them resulted from the need to buy drugs.

Step-by-step explanation:

For each theft, there are only two possible outcomes. Either the need to buy drugs is the reason of the theft, or it is not. Each theft is independent of each other. So we use the binomial probability distribution 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.

In a certain city district the need for money to buy drugs is stated as the reason for 70% of all thefts.

This means that p = 0.7

Find the probability that among the next 7 theft cases reported in this district, exactly 3 of them resulted from the need to buy drugs.

This is P(X = 3) when n = 7. So

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

P(X = 3) = C_{7,3}.(0.7)^{3}.(0.3)^{4} = 0.0972

9.72% probability that among the next 7 theft cases reported in this district, exactly 3 of them resulted from the need to buy drugs.

5 0
2 years ago
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