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3 years ago

Lilys car has a fuel efficiency of 8 liters per 100 kilometers.

Mathematics

2 answers:

zavuch27 [327]3 years ago

8 0

100 : 8 = 12.5

12.5 Km per liter is your answer

marin [14]3 years ago

7 0

Answer:

12.5 km per liter.

Step-by-step explanation:

We have been given that Lily's car has a fuel efficiency of 8 liters per 100 kilometers. We are asked to find fuel efficiency of Lily's car in kilometers per liter.

$\text{Fuel efficiency}=\frac{\text{Total distance traveled}}{\text{Total fuel}}$

$\text{Fuel efficiency}=\frac{\text{100 km}}{\text{8 liters}}$

$\text{Fuel efficiency}=\frac{\text{12.5 km}}{\text{liter}}$

Therefore, fuel efficiency of Lily's car is 12.5 km per liter.

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Unit 2

olga2289 [7]

Answer:

A. $6.67

Step-by-step explanation:

a) 2y -3x + 8

a) y = - 3/2x + 8/2

a) y = - 3/2x + 4

b) 5y - 15x = -30

b) 5y = 15x - 30

b) y = 15/5x - 30/5

b) y = 3x - 6

3x - 6 = 3/2x + 4

3x -3/2x = 4+6

3/2x = 10

x = (10) / (3/2) = $6.67

5 0

2 years ago

Show your work. -2.5(4x -4) = -6

serg [7]

Answer:

x = 1 3/5

Step-by-step explanation:

distribute.

-2.5*4x + (-2.5*-4) = -6

-10x +10 = -6

subtract 10 on both sides

-10x = -6 -10

divide by -10

x = -16/-10

x = 1 3/5

7 0

2 years ago

THE NUMBER 1-10 ARE IN A BAG, YOU TAKE 2 OUT WITHOUT REPLACEMENT. WHAT IS THE PROBABILITY OF DRAWING THE NUMBER 7 THE FIRST TIME

ehidna [41]

Answer:

1 / 18

Step-by-step explanation:

PROBABILITY OF DRAWING THE NUMBER 7 THE FIRST TIME = Number of favorable outcome / Total number of outcomes

Favorable outcome = 1

Total number of outcome (1,2,3,4,5,6,7,8,9,10) = 10

PROBABILITY OF DRAWING THE NUMBER 7 THE FIRST TIME = 1 / 10

PROBABILITY OF DRAWING AN EVEN NUMBER THE SECOND TIME = Number of favorable outcome / Total number of outcomes

Favorable outcome (2,4,6,8,10) = 5

Total number of outcomes (1,2,3,4,5,6,8,9,10) = 9

PROBABILITY OF DRAWING AN EVEN NUMBER THE SECOND TIME = 5/9

PROBABILITY OF DRAWING THE NUMBER 7 THE FIRST TIME AND THEN DRAWING AN EVEN NUMBER = 1 / 10 * 5 / 9 = 1 / 18

6 0

3 years ago

I need to solve xy I am so confused please

pychu [463]

Answer:

Step-by-step explanation:

In the question it’s given that : y=|x| => even if x will be a negative number,y will be positive.

1) -3 ; 3 ; (-3,3)

2) -2 ; 2 ; (-2,2)

3) -1 ; 1 ; (-1,1)

4) 0 ; 0 ; (0,0)

5) 1 ; 1 ; (1,1)

6) 2 ; 2 ; (2,2)

7) 3 ; 3 ; (3,3)

8 0

2 years ago

A waffle cone has a height of 7 inches and a diameter of 3 inches. What is the volume of ice cream that can be contained within

Nata [24]

Hey there! I'm happy to help!

To find the volume of a cone, we multiply the base by the height and then divide by three.

First, we find the area of the base, which is a circle. To find a circle, you square the radius and then multiply by pi (or 3.14 in our case).

Radius is half of the diameter.

3/2=1.5

We square this.

1.5²=2.25

We multiply by 3.14

2.25×3.14=7.065

Now, we multiply this base area by the height.

7.065×7=49.455

We divide by 3.

49.455/3=16.485

Therefore, if we round this, our answer is 16.49 in³.

Now you can find the volume of a cone! Have a wonderful day! :D

7 0

3 years ago