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3 years ago

14

Three hikers equally shared gallon of water. Explain how you would use an area model to find the amount of water each hiker dran

k.

1 answer:

goldfiish [28.3K]3 years ago

5 0

You would find out how many ounces are in a gallon is and devide it by 3

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Three fourths a number plus 8 is 20 less than the number

VARVARA [1.3K]

Answer:

Equation: $\frac{3}{4}n+8=n-20$

Solve for n: n = 112

Step-by-step explanation:

To first set up the equation, you need to look at the verbal description and translate into numbers and operations:

'three fourths a number' = $\frac{3}{4} n$

'plus 8' = + 8

'is' =

'20 less' = - 20

'the number' = n

Put the expressions together:

'three fourths a number plus 8': $\frac{3}{4}n+8$

'20 less than the number': n - 20

Set them equal to each other and solve: $\frac{3}{4}n+8=n-20$

Add 20 to both sides: $\frac{3}{4}n+8+20=n-20+20$

Subtract $\frac{3}{4}n$ from both sides: $\frac{3}{4}n-\frac{3}{4}n+28=n-\frac{3}{4}n$

Multiply both sides by $\frac{4}{1}$ : $\frac{4}{1}28=\frac{1}{4}n\frac{4}{1}$

Solve for n: n = 112

7 0

3 years ago

What is the solution to the inequality below? will give brainliest for correct answer

Mumz [18]

Answer: A

Step-by-step explanation:

7 0

3 years ago

Find the difference.<br><br> Show your work<br><br> -3/4 - 4/3

myrzilka [38]

Answer:

-25/12

Step-by-step explanation:

I assume you want to subtract 4/3 from -3/4 OR combine -3/4 and -4/3.

Here the LCD is (4)(3) = 12.

Then -3/4 becomes -9/12 and -4/3 becomes -16/12.

Then -9/12 - 16/12 = -25/12

6 0

3 years ago

On the scale drawing of a car, the length from bumper to bumper is 6 inches. The car's actual length, from bumper to bumper, is

baherus [9]

Answer:

$I=\frac{3}{8}\cdot F$ and $F = \frac{8}{3}\cdot I$ .

Step-by-step explanation:

Let I represent inches and F represent feet.

We have been given that on he scale drawing of a car, the length from bumper to bumper is 6 inches. The car's actual length, from bumper to bumper, is 16 feet.

We will use proportions to solve our given problem as:

$\frac{\text{Length on scale}}{\text{Actual length}}=\frac{6}{16}$

$\frac{I}{F}=\frac{6}{16}$

Now, let us solve for $I$ .

$I=\frac{6}{16}\cdot F$

$I=\frac{3}{8}\cdot F$

Now, let us solve our equation for F.

$I\cdot\frac{8}{3}=\frac{8}{3}\cdot\frac{3}{8}\cdot F$

$\frac{8}{3}\cdot I= F$

$F = \frac{8}{3}\cdot I$

Therefore, our required equations would be $I=\frac{3}{8}\cdot F$ and $F = \frac{8}{3}\cdot I$ .

8 0

3 years ago

Find a solution to the linear equation y=−x+7 by filling in the boxes with a valid value of x and y.

sladkih [1.3K]

Answer:

$(x,y) = (0,7)$

$(x,y) = (3,7)$

Step-by-step explanation:

The question and the attached image are different. However, the attached image answers the question y = -4 correctly.

So, I will solve for: $y = -x + 7$

Given

$y = -x + 7$

Required

Possible values of x and y

Let x = 0:

$y = -x + 7$

$y = -0 + 7$

$y = 7$

So, we have:

$(x,y) = (0,7)$

Let y = 4

$y = -x + 7$

$4 = -x + 7$

Collect Like Terms

$x = -4 + 7$

$x =3$

So, we have:

$(x,y) = (3,7)$

<em>So, all you need to do is: assume a value for either x or y, then solve for the other variable.</em>

6 0

3 years ago