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vesna_86 [32]
3 years ago
7

Hi I need help with math ​

Mathematics
1 answer:
ddd [48]3 years ago
6 0

Answer:

sure but where is the math problem or do u need a tuter

Step-by-step explanation:

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the water level in a plastic pool Changed by -8 gallons each hour due to a small hole in the bottom after 6 hours the pool conta
mixas84 [53]

132+(8*6)= Original amount of water

132+48= answer

3 0
3 years ago
Read 2 more answers
Suppose that x has a binomial distribution with n = 201 and p = 0.45. (Round np and n(1-p) answers to 2 decimal places. Round yo
ycow [4]

Answer:

a) It can be used because np and n(1-p) are both greater than 5.

Step-by-step explanation:

Binomial distribution and approximation to the normal:

The binomial distribution has two parameters:

n, which is the number of trials.

p, which is the probability of a success on a single trial.

If np and n(1-p) are both greater than 5, the normal approximation to the binomial can appropriately be used.

In this question:

n = 201, p = 0.45

So, lets verify the conditions:

np = 201*0.45 = 90.45 > 5

n(1-p) = 201*(1-0.45) = 201*0.55 = 110.55 > 5

Since both np and n(1-p) are greater than 5, the approximation can be used.

3 0
3 years ago
What is the coefficient and degree of 6v^7
Dmitriy789 [7]
I believe v is your coefficient and the degree is 7
8 0
3 years ago
Neveah has created the function f(x) =the quantity of 2x plus 4, divided by 3 to represent the growth of her hair, where x repre
dangina [55]

Given that:

The function to represent the growth of Neveah hair is

f(x)=\dfrac{2x+4}{3}

where,  x represents the number of months since her last hair cut.

To find:

The inverse of function and time when her hair will have grown 6 inches.

Solution:

We have,

f(x)=\dfrac{2x+4}{3}

Put f(x)=y.

y=\dfrac{2x+4}{3}

Interchange x and y.

x=\dfrac{2y+4}{3}

Isolate y.

3x=2y+4

3x-4=2y

\dfrac{3x-4}{2}=y

Put y=f^{-1}(x).

f^{-1}(x)=\dfrac{3x-4}{2}

So, the required inverse function is f^{-1}(x)=\dfrac{3x-4}{2}. It represents the number of months to grow her hair x inches.

She can predict when her hair will have grown 6 inches by putting x=6 in the inverse function.

Put x=6 in the inverse function.

f^{-1}(6)=\dfrac{3(6)-4}{2}

f^{-1}(6)=\dfrac{18-4}{2}

f^{-1}(6)=\dfrac{14}{2}

f^{-1}(6)=7

Therefore, growth of her hair is 6 inches in 7 months.

3 0
4 years ago
Please help !
makvit [3.9K]

Answer:

New line =3*ZX

Step-by-step explanation:

It is given that the isosceles trapezoid is dilated using a scale factor of 1/3

and a line is drawn through the center of the new dilated figure, so

let us suppose that line is EF which is drawn and it will also pass through

the center in similar way the line ZX passes through so after considering this situation, we can come to this point

\text{new Line EF}=\frac{ZX}{1/3} \\EF=3*ZX

so new line will be 3 times longer than ZX.

3 0
3 years ago
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