Of all Sunny Club members in a particular city, 25% prefer swimming on weekends and 75% prefer swimming on weekdays. It is found that 10% of the members in that city prefer swimming on weekends and are female, while 55% of the members in that city prefer swimming on weekdays and are female. The probablity that a club member picked randomly is female, given that the person prefers swimming on weekends is ?

Answers

Answer 1

Answer: Given:
Sunny Club Members
Weekends = 25% Out of the 25%, 10% are females
Weekdays = 75% Out of the 75%, 55% are females

The probability that the person randomly picked swimming on weekends is female is:

25% * 10% = 2.5%

Answer 2

Answer:

Answer:

0.4

Step-by-step explanation:

0.10/0.25 =0.4

Weekend swimmers = 25%

Female Swimmers that prefer the weekend = 10%

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How do you solve, 7/9+1/2-3/2+2/9 ?

Answers

$(7)/(9)+ (1)/(2)-(3)/(2)+(2)/(9)=\n \ntheir \ lcd \ is \ 18\n \n = (14)/(18)+ (9)/(18)-(27)/(18)+(4)/(18)=(14+9-27+4)/(18)= 0$

If u add them all u will get 0

(5,?) is on the line below. Find the other half of the coordinate.
y = 2/3x + 7

Answers

We need to plug 5 in place of x into the equation of the line and find the y-value.

y = (2/3)x + 7

y = (2/3)5 + 7

y = 10/3 + 7

y = 10/3 + 21/3

y = 31/3

y = 10 1/3

The point is (5, 10 1/3) OR (5, 31/3).

(x,y) = (5, ?), so x = 5. Substitute 5 into the function for x to find the value of y when x = 5. y = 2/3 (5) + 7 = (2 x 5) / 3 + 7 = 10/3 + 7 = 10/3 + 21/3 = 31/3, which equals 10 1/3 or 10.3 repeating.

Nicole deposited $2,000 at 6% simple interest. How long will it be before she has $2,600 in her account?

Answers

$\bf \qquad \textit{Simple Interest Earned Amount}\n\nA=P(1+rt)\qquad \begin{cases}A=\textit{accumulated amount}\to &2,600\nP=\textit{original amount deposited}\to& \$2,000\nr=rate\to 6\%\to (6)/(100)\to &0.06\nt=years\end{cases}$

solve for "t"

Kendra hasn’t missed a day of school in 245 days. This is twenty days less than five times the number of days it has been since Brandon has missed a day of school. How many days has it been since Brandon missed a day of school?

Answers

The equation would be 5x+20=245
X=the number of days Brandon missed.
Subtract 20 from both sides; 5x=225
Then divide by 5; x=45
It has been 45 days since Brandon missed school.

Answer:

The answer is 53

245 = 5y - 20 | y = 53

Step-by-step explanation:

subtracting 20 ( - 20) represents "twenty days less"

5y represents "five times the number of days"

This is all being compared to Kendra's 245 days of perfect attendance which is why it's "245 ="

Plug it in! & don't forget PEMDAS ----> 5(53) - 20 = 245

A bag of chips costs $3.79 including tax Mr.Connor wants to purchase chips for his class and has a $15 budget. Write and inequality to solve for the number of bags of chips Mr.Connor can purchase with his budget A. $15x > $3.79 B.$15x < $3.79 C $3.79 > $15 D. $3.79 < $15 (There is a flat line under all the greater than and less than signs)

Answers

The inequality equation that could best express the statement will be letter d. 3.79x < 15. This is because there is only 15 budget from Mr. Connor, and his spending must not exceed the budget. Then the price per pack is 3.79, so it is express as 3.79x.

Answer:

D. $3.79x\leq 15$

Step-by-step explanation:

We are given that

Cost of one bag of chips including tax=$3.79

Mr.Connor has budget=$15

We have to write an equality to solve for the number of bags of chips can purchased by Mr.Connor with his budget.

Let x be the number of bags of chips

According to question

$3.79x\leq 15$

Hence, option D is true.

Answer:D. $3.79x\leq 15$

Solve the system of equations. 2x − 5y = 3
x − 3y = 1
(4, 1)
(5, 2)
(7, 2)
(9, 3)

Answers

Answer: First Option is correct.

Step-by-step explanation:

Since we have given that

$2x-5y = 3\n\n x -3y = 1$

Now, we will use "Substitution Method" to find the values of x and y:

$x=1+3y\ -(3)$

Put the value of x in first equation i.e.

$2x-5y = 3$

$2(1+3y)-5y=3\n\n2+6y-5y=3\n\n2+y=3\n\ny=3-2\n\ny=1$

Now, we use the value of y in equation (3),

$x=1+3y\n\nx=1+3*1\n\nx=1+3\n\nx=4$

Hence, values of (x,y) is (4,1).

Therefore, First Option is correct.

2x - 5y = 3
x - 3y = 1...multiply by -2
---------------
2x - 5y = 3
-2x + 6y = -2 (result of multiplying by -2)
--------------add
y = 1

x - 3y = 1
x - 3(1) = 1
x - 3 = 1
x = 1 + 3
x = 4

solution is (4,1)

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