Carlos has used 40 cell phone minutes each day for one full week. His cell phone plan allows for a total of 320 minutes per week. Which fraction represents the ratio of cell phone minutes remaining to total minutes?

Answers

Answer 1

Answer: 40 minutes*7 days of the week= 280 minutes a week. So, 320-280= 40 minutes left over. 40:320= 1:8. You were correct!

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Melissa works after school babysitting. she markes $18 an hour. write an equation that represents the relationship between the independent (h - hours) and dependent variables (p - pay)

What is the slope of a sliding board that rises 2 feet for every horizontal change of 36 inches?

Answers

Slope = Vertical rise / Horizontal run

Slope = 2 / 36

Slope = 1/18

Slope ≈ 0.0556

in a class 60% of the students are girls. There are 18 girls in the class. How many students are in the class

Answers

60 18
— = —
100 x

to solve the percent proportion :
100 x 18 = 1800
1800 ÷ 60 = 30
there are 30 students in the class.

What is 14/25 as a percent

Answers

You simply divide, since it's a fraction. If you divide 14 b7 25, you get an answer of 0.56. :)

56 is ur answer!!!! You devide 14/25 then you times it by 100

What’s the distance between (3,4) , (7,2)

Answers

Answer:

$D= 4.47$

Step-by-step explanation:

Here we are given with two coordinates and asked to determine the distance between them.

Here we are going to use the distance formula, which is given as under

$D=√((y_2-y_1)^2+(x_2-x_1)^2)$

Where

$(x_1,y_1) = (3,4)$

$(x_2,y_2) = (7,2)$

Replacing these values in the distance formula

$D =√((7-3))^2+(2-4)^2)$

$D =√((4)^2+(-2)^2)$

$D =√(16+4)$

$D =√(20)$

$D= 4.47$

1. If 1 cm represents 10 m, what are the actual measurements of the gym includingthe closet?
2. What are the actual measurements of the closet?
3. If 1 cm represents 12 m, what are the actual measurements of the gym including
the closet?
4. What is the area of the gym?

Answers

Answer:

1. 50 meters by 40 meters

2. 20 meters by 10 meters

3. 60 meters by 48 meters

4. DrawingGym Area = 18 sq. cm. and Actual Gym Area = 2592 sq. m.

Step-by-step explanation:

The drawing length of the GYM+CLOSET area is:

5 cm by 4 cm

Since 1 cm represents 10 m in real life, we can say the real life dimensions are:

5cm * 10 = 50 meters

4 cm * 10 = 40 meters

THe actual measurements of gym (including closet):

50 meters by 40 meters

The drawing measurement of the closet would be:

2 cm length given and 1 cm width given

Since we know 1 cm represents 10 meters in real life, the actual measurements would be:

1cm * 10 = 10 meters

2 cm * 10 = 20 meters

The actual dimensions of closet:

20 meters by 10 meters

Gym + Closet area is still 5cm by 4cm in the drawing.

Now, the scale changes. The new scale is:

1cm = 12 meters

So,

5cm * 12 = 60 meters

4 cm * 12 = 48 meters

The actual measurement of Gym and Closet (new scale):

60 meters by 48 meters

First, let find the area of the gym. This will be total area - closet area

We know area of rectangular figure is Length * Width

SO,

Total Area = 5 * 4 = 20

Closet Area = 2 * 1 = 2

Thus,

Gym Area = 20 - 2 = 18

Gym Area = 18 sq. cm.

In real life (1cm = 12 m -- new scale), Gym Area would be:

Gym Area = $18cm^2*(12m)/(1cm)*(12m)/(1cm)=18*12*12m^2=2592m^2$

Actual Gym Area = 2592 sq. m.

3x - 1 < 2x + 4

What is the solution to the following inequality?

Answers

Answer:

3x - 2x -1 < 4

3x -2x <4+1

x < 4+1

x < 5

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