Company A charges a $125 annual fee plus $7 per hour car share fee. Company B charges $110 plus $10 per hour. What is the minimum number of hours that a car share needs to be used per year to make company A a better deal?
A. 5
B. 11
C. 6
D. 9
​

Answer:

number of guest tickets, g, is 100 tickets

number of student tickets, s, is 125 tickets

Step-by-step explanation:

Given;

total number of tickets sold, t = 225 tickets

cost of each guest ticket,  = $5.5

cost of each student ticket, = $3.5

total cost of the tickets, Tc = $987.5

number of guest tickets = g

number of student tickets, = s

g(5.5) + s(3.5) = 987.5 ------- (1)

g + s = 225 ----------- (2)

From equation (2); s = 225 - g

Substitute the value of g in equation (1)

5.5g + 3.5(225 - g) = 987.5

5.5g + 787.5 - 3.5g = 987.5

5.5g - 3.5g = 987.5 - 787.5

2g = 200

g = 200 / 2

g = 100 tickets

Then, s = 225 - g

s = 225 - 100

s = 125 tickets

Answer:

y -3 = (-1/2)(x - 5)

Step-by-step explanation:

Slope of line:  Notice that if we go from 7 to 5, the 'run' is -2 and the corresponding 'rise' from 2 to 3 is 1.  Thus, the slope is m = -1/2.

Using m = -1/2 and the point (5, 3), we write the equation of this line in point-slope form as:

y -3 = (-1/2)(x - 5)

Answer:

\(V = 0.5 X b X a X h\)

Answer:

I can't see the whole thing.

So sorry I can't answer it if I can't see the WHOLE thing.

Answer:

D. A value of 0.9 is more than 2 standard deviations from the mean

Step-by-step explanation:

A is wrong, because the standard deviation is +/-0.15 (the measure up or down from the mean)

B is wrong, because the mean is exactly 0.5

C is wrong, because 1 standard deviation up from the mean is 0.65, and 0.7 is outside of that.

Step-by-step explanation:

x - 8 > -3

x > -3 + 8 (add 8 to both sides)

x > 5

Hence 3.{x|x€R,x>5} is correct.

Answer: $30.6

Step-by-step explanation:

From the question, we are informed that a store advertises a 20% off sale and that the price of a particular product is $24.48. For us to calculate the regular price goes thus:

Since 20% is off, that means that the product was sold at (100% - 20%) = 80% of it's regular price.

Let the regular price be y

80% of y = $24.48

80/100 × y = $24.48

0.8y = $24.48

y = $24.48/0.8

y = $30.6

The regular price is $30.6

Answer:

x = -3÷8

or x = -0.375

Explanation:

-6+ -(8x-3)= -6-8x+3

= -8x -3

-8x-3= 0

-8x = 3

8x = -3

x = -3÷8

Answer:

Step-by-step explanation:

Known fact:

The perimeter is all the sides added together and thus lets set all the side's length in terms of b

(b-2) + b+3b = 42

5b -2 = 42

b = 8

Thus:

a = b-2 = 6

b = 8

c = 3b = 24

Hope that helps!

The coordinates of the other endpoint of the segment, given the midpoint (4, 3) and one endpoint (10, 8), are (-2, -2).

To find the coordinates of the other endpoint of a segment given its midpoint and one endpoint, we can use the midpoint formula. The midpoint formula states that the coordinates of the midpoint between two points (x1, y1) and (x2, y2) are given by:

Midpoint = ((x1 + x2)/2, (y1 + y2)/2)

In this case, we are given the midpoint as (4, 3) and one endpoint as (10, 8). Let's assume the coordinates of the other endpoint are (x, y).

Using the midpoint formula, we can set up the following equations:

((10 + x)/2, (8 + y)/2) = (4, 3)

From the first equation, we can solve for x:

(10 + x)/2 = 4

10 + x = 8

x = 8 - 10

x = -2

From the second equation, we can solve for y:

(8 + y)/2 = 3

8 + y = 6

y = 6 - 8

y = -2

Therefore, the coordinates of the other endpoint are (-2, -2).

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Answer:

16 days

Step-by-step explanation:

24 men works 8 hours a day to complete a work in 15 days. While 20 men works at 9 hours per day to complete the same work in x days. We can find the number of days it took the 20 men by using the expression below:

24 men * 8 hours/day * 15 days = 20 men * 9 hours/day * x days

\(x (days)=\frac{24\ men * 8\ hours/day * 15\ days }{20\ men * 9\ hours/day} \\\\Simplifying\ gives:\\\\x(days)=16\\\\x=16\ days\)

Therefore it took 20 men working 9 hours/day, 16 days to complete the same work

The area of the kite is 40 square meters, calculated by using the area of a kite formula.

To calculate the area of a kite, you need to know the lengths of both the diagonals. Once you have those values, you can use the following formula to find the area:

Area = (d1 x d2) / 2

where d1 and d2 are the lengths of the diagonals.

Here is an example of how to use this formula:

Let's say you have a kite with diagonals of 8 meters and 10 meters. To find the area, you would use the formula:

Area = (8 x 10) / 2

Area = 40 square meters

So the area of the kite is 40 square meters.

There are also many online calculators available that can help you find the area of a kite if you enter the values of the diagonals.

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Melanie should take A and B, being r(loan a)= 9.699% annually, r(loan b)=9.862% annual

It is given that

Loan A: 9.265% nominal rate, compounded weekly

In order to find the easiest effective rate, we need to divide this rate by 52 (which are the weeks in a year). Once we do that, we convert this effective weekly rate into an effective annual rate. Let´s walk you through all this.

\(r(Eweek)=\dfrac{0.09265}{52} =0.00178173\)

Or 0.178173% effective weekly. Now we can transform it into an effective annual rate.

\(r(e,a)=1+(r(e.week))^{52} -1\)

\(r(e,a)=1+(0.00178173)^{52} -1=0.09699\)

Or 9.669% annual, which is less than 9.955%, so this one is selected, let´s check the next.

Loan B: 9.442% nominal rate, compounded monthly

Just like we did with Loan A, we need to divide this rate too, only this time, we will divide by 12, therefore obtaining an effective monthly rate.

\(r(Emonth)=\dfrac{0.09442}{12} =0.00786833\)

Or 0.786833% effective monthly, let´s turn it into an effective annual rate.

\(r(e,a)=1+(r(e.month))^{12} -1\)

\(r(e,a)=1+(0.00786833))^{12} -1=0.09862\)

Or 9.862% annual, so this rate would work for Melanie too. This means that option C) is the answer we are looking for but, let´s walk that extra mile and turn that Loan C rate into an annual rate.

\(r(Eweek)=\dfrac{0.09719}{4} =0.0242975\)

or 2.42975% effective quarterly, now, let´s convert it into an effective annual rate.

\(r(e,a)=1+(0.0 242975))^{12} -1=0.010079\)

That is 10.079% effective annual, therefore, Loan C is not an option for Melanie.

Thus Melanie should take A and B, being r(loan a)= 9.699% annually, r(loan b)=9.862% annual

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Answer: (14 , 15/2)

Step-by-step explanation:

...

Answer:

No, K isn't the midpoint of JL

Big O notation focuses on the worst-case scenario analysis, which is 0(n) for a simple search. It’s a reassurance that a simple search will never be slower than O(n) time.

Imagine that you're a teacher with a student named Ram. You want to find his records, so you use a simple search algorithm to go through your school district's database.

You know that a simple search takes O(n) times to run. This means in the worst case, you'll have to search through every single record to find Ram

After a simple search, you find that Ram records are the very first entry in the database. You don't have to look at every entry.

Did this algorithm take O(n) time Or did it take O(1) time because you found Ram records on the first try?

In this case, 0(1) is the best-case scenario – you were lucky that Ram records were at the top. But Big O notation focuses on the worst-case scenario, which is 0(n) for a simple search. It’s a reassurance that a simple search will never be slower than O(n) time.

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It is known that the radius is half the diameter of the circle so it follows:

1. For d=16 meters it follows:

The radius is 8 meters.

2. For d=4 centimeters it follows:

Hence the radius is 2 centimeters.

The probability that a student who can drive is a college student is 0.2771 or 27.7%

It will be sooved using Baye's theorem -

P(college) = P(C) / 1/5 = 0.2

P(high school students) = P(H) = 4/5 = 0.8

P(college drives) = 0.23

P(high school drives) = 0.15

We have to find, probability that a student who drives is a college student.

That is, we have to find P(C/D).

P(C/D) = P(C ∩ S)/P(S)

Since P(C ∩ S) is an independent event.

P(C ∩ S) = P(C) × P(S)

P(C ∩ S) = 0.2 × 0.23

= 0.046

Using bayes's theorem, we will get

P(C/D) = 0.2771 or 27.7%

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The composition of function is g ( x ) f ( x ) = 5x⁴ - 40x

Given data ,

Let the first function be g ( x ) = x³ - 8

Let the second function be h ( x ) = 5x

So, the composition of functions , g(x) x h(x) would be:

(x³ - 8) (5x)

We can distribute the multiplication to get:

5x ( x³ ) - 5x ( 8 )

On simplifying , we get

A = 5x⁴ - 40x

Hence , the result of the operation g(x) x h(x) is 5x⁴ - 40x

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Using the Bisector Theorem, the length of DE is 4y + 13 if we bisect (Line Over DE) at point R, DR = 2y + 9, and RE = 3y – 1.

Since l bisects DE at point R, we can use the segment bisector theorem, which states that the ratio of the lengths of the two segments is equal to the ratio of the lengths of the two other segments:

DR/RE = DE/ER

Substituting DR = 2y + 9 and RE = 3y - 1, we get:

(2y + 9)/(3y - 1) = DE/ER

Since R is the midpoint of DE, we have ER = DR = 2y + 9. Substituting this into the equation above, we get:

(2y + 9)/(3y - 1) = DE/(2y + 9)

Cross-multiplying, we get:

DE = (2y + 9)²/(3y - 1)

Expanding the numerator, we get:

DE = (4y² + 36y + 81)/(3y - 1)

Simplifying the expression, we get:

DE = 4y + 13

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Meta-analysis is a research technique that involves systematically reviewing and statistically synthesizing data from multiple studies on a particular research question or topic.

The goal of meta-analysis is to provide a comprehensive summary of the existing evidence by combining the results of individual studies, which may have produced conflicting or inconclusive findings.

Meta-analysis typically involves a systematic search for relevant studies, followed by an evaluation of their quality and an extraction of relevant data. The data from the studies are then combined using statistical methods to produce an overall effect size estimate, such as a mean difference or odds ratio.

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Answer:

1. 24

2. 24

3. -24

4. -24

I don`t know why some of the answers are 10, I think those are just trick ones. The answers are only in 24s

Answer:

the first one is 24

the second one is 24

the third one is -24

the fourth one is -24

Step-by-step explanation:

the first one is a positive because two negative multiplied by each other make a positive. the second one 6 times 4 is 24:). and the third and fourth one,when there is a positive and and a negative multiplied by each other it will always become a negative. HOPE THIS HELPS have a good one:)

Main AnswerIn the study by Hoynes (2012), the population that is of interest to the researchers are families who receive Supplemental Nutrition Assistance Program (SNAP) or more commonly known as food stamps. The study examines the impact of the policy-driven change in economic resources available in utero and during childhood on the economic health of individuals in adulthood.

The sample that the study examines are 60,782 families over the time period of 1968 to 2009, which is subsequent to the introduction of the Food Stamp Program in 1961. The data links family background in early childhood to adult health and economic outcomes.The characteristics of the population that are of interest to the researchers are the impact of a positive and policy-driven change in economic resources available in utero and during childhood on the economic health of individuals in adulthood. Specifically, the researchers looked at the long-term effect of access to food stamps in childhood on the incidence of metabolic syndrome (obesity, high blood pressure, and diabetes) and an increase in economic self-sufficiency for women.

Based on the study, the researchers concluded that access to food stamps in childhood leads to a significant reduction in the incidence of metabolic syndrome and, for women, an increase in economic self-sufficiency. Hence, the results suggest substantial internal and external benefits of SNAP.

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Answer:

5x+3=23.        Subtract.        -3

Step-by-step explanation:

5x+3=23

5x=23-3

5x=20

x=20÷5=4

x=4

Answer:

$70.80

Step-by-step explanation:

60+18/100*60

70.80

Answer:2/16

Step-by-step explanation:

Answer:

= 64

do u need the working out?

Answer:

6 degrees high/-10 degrees low

Step-by-step explanation:

The area of a rectangle is the product of its length and width. The formula for calculating the area is A = l x w, where A is the area, l is the length, and w is the width.

To find the total cost of the new tile for the kitchen, we first need to calculate the area of the shaded region in the diagram. We can do this by breaking down the region into smaller rectangles and adding up their areas.

From the diagram, we can see that the shaded region consists of two rectangles: one with a length of 10 feet and a width of 8 feet, and another with a length of 6 feet and a width of 4 feet.

Area of first rectangle = length x width = 10 x 8 = 80 sq. ft.
Area of second rectangle = length x width = 6 x 4 = 24 sq. ft.

Total area of shaded region = area of first rectangle + area of second rectangle
= 80 + 24
= 104 sq. ft.

Now, we can calculate the total cost of the new tile for the kitchen by multiplying the total area by the cost per square foot.

Total cost of new tile = total area x cost per square foot
= 104 x 5.40
= $561.60

To check our answer, we can divide the total cost by the total area to find the cost per square foot.

Cost per square foot = total cost / total area
= 561.60 / 104
= $5.40

Since the cost per square foot matches the given cost, we can confirm that our answer is correct.

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Answer:

(-4, 0) and (-5, 0)

Step-by-step explanation:

You will need to need to plug in (-4, 0) and (-5, 0) in the equation.

(x + 4) (x + 5) = y. (-4, 0)

(-4 + 4) (-4 + 5) = 0

(0) (1) = 0

0 = 0

This means that (-4, 0) is a solution to the equation. Now let us find if (-5, 0) is a solution to the equation.

(x + 4) (x + 5) = 0. (-5, 0)

(-5 + 4) (-5 + 5) = 0

(-1) (0) = 0

0 = 0

So, (-5, 0) is also the answer to the equation. Hope this helps, thank you :) !!

Answer:

12n

Step-by-step explanation:

The surface area of the given net is 132 square centimeters. To find the surface area of the given net, we need to first identify the shapes involved in the net.  

The three rectangles have dimensions of 5 cm x 4 cm, 8 cm x 4 cm and 5 cm x 4 cm respectively. To find the surface area of the net, we need to find the area of each shape and then add them up.

Area of the two squares = (Side length)^2

= (5 cm)^2

= 25 cm² each

Total area of both squares = 25 cm² + 25 cm²

= 50 cm²

Area of the first rectangle = Length x Breadth

= 5 cm x 4 cm

= 20 cm².

Area of the second rectangle = Length x Breadth

= 8 cm x 4 cm

= 32 cm²

Area of the third rectangle = Length x Breadth

= 5 cm x 4 cm

= 20 cm²

Total surface area of the net = Area of both squares + Area of all rectangles

= 50 cm² + 20 cm² + 32 cm² + 20 cm²

= 122 cm² The three rectangles have dimensions of 5 cm x 4 cm, 8 cm x 4 cm and 5 cm x 4 cm respectively. To find the surface area of the net, we need to find the area of each shape and then add them up.

Area of the two squares = (Side length)^2

= (5 cm)^2

= 25 cm² each

Total area of both squares = 25 cm² + 25 cm²

= 50 cm²

Area of the first rectangle = Length x Breadth

= 5 cm x 4 cm

= 20 cm². Therefore, the surface area of the given net is 122 square centimeters.

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