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Pachacha [2.7K]
3 years ago
14

The length of a rectangle is 1 more than twice the width. The area of the rectangle is given by the formula A = l × w. Which of

the following equations could be used to find the area?
A)

A = 2w2 + w

B)

A = w2 + 2w

C)

A = 2w2

D)

A = 3w
Mathematics
1 answer:
Georgia [21]3 years ago
5 0

Answer:

D

Step-by-step explanation:

Because lets say Length was 3 and Width is a variable of w

3xW=Area

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Maksim231197 [3]

Answer:

It would be 29.

Step-by-step explanation:

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2 years ago
What is the expression for 40 more than twice the quotient of two amounts​
svp [43]

Answer:

2(x/y)+40

Step-by-step explanation:

2(x/y)+40

5 0
3 years ago
An insurance company sells automobile liability and collision insurance. Let X denote the percentage of liability policies that
qaws [65]

Answer:

-764.28

Step-by-step explanation:

Given the joint cumulative distribution of X and Y as

F(x,y) = \frac{xy(x+y)}{2000000}\ \ \ \, \ 0\leq x100, 0\leq y\leq 100

#First find F_x and probability distribution function ,f_x(x):

F_x(x)=F(x,100)\\\\\\=\frac{100x(x+100)}{2000000}\\\\\\\\=\frac{100x^2+10000x}{2000000}\\\\\\=>f_x(x)=\frac{x}{10000}+\frac{1}{200}

#Have determined the probability distribution unction ,f_x(x), we calculate the Expectation of the random variable X:

E(X)=\int\limits^{100}_0 \frac{x^2}{10000}+\frac{x}{200}  dx \\\\\\\\=|\frac{x^3}{30000}+\frac{x^2}{400}|\limits^{100}_0\\\\=58.33\\\\

#We then calculate E(X^2):

E(X^2)=\int\limits^{100}_0 \frac{x^3}{10000}+\frac{x^2}{200}\ dx\\\\=\frac{x^4}{40000}+\frac{x^3}{600}|\limits^{100}_0=4166.67\\\\Var(X)=E(X^2)-(E(X))^2=4166.67-58.33^2\\\\Var(X)=764.28

Hence, the Var(X) is 764.28  

4 0
3 years ago
Convert 41º F to degrees Celsius.
ser-zykov [4K]
41ºF = 5.0ºC 

<span>Use this formula to convert degrees Fahrenheit
 
(F)to degree then

 Celsius (C):

 </span><span>[°C] = ([°F] − 32) × 5⁄9

That's how you would convert it 


Hope i helped ;)

</span>
7 0
3 years ago
Read 2 more answers
HELP ME
kherson [118]

Answer: 18

Step-by-step explanation: for the boys 4 times 18 equals 72 so there are 4 rows of 18. for the girls 5 times 18 is 90 so 5 rows of 18.  

7 0
3 years ago
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