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Norma-Jean [14]
2 years ago
8

A hot-air balloon is traveling at an altitude of 3,000 feet. It begins to descend at a rate of 80 feet per minute. Which equatio

n can be used to represent the altitude of the balloon, b, based on time, t?
Mathematics
1 answer:
german2 years ago
7 0

Equation can be used to represent the altitude of the balloon, b, based on time, t be 3000-80x

<h3>What is equation?</h3>

An equation is a mathematical statement that is made up of two expressions connected by an equal sign.

Given:

A hot-air balloon is traveling at an altitude of 3,000 feet.

It begins to descend at a rate of 80 feet per minute.

let x be the time in minutes.

let y be the altitude in feet.

Hence, equation will be = 3000-80x

Learn more about his concept here:

brainly.com/question/9181422

#SPJ1

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Which justification describes the process?
tester [92]

Answer:

Option 1 - Using the Subtraction Property of Equality, 2 is subtracted from both sides of the equation.          

Step-by-step explanation:

Given : Process

Step 1: 4x + 2 = 10

Step 2: 4x = 8

To find : Which justification describes the process?

Solution :

From step 1 to step 2, we subtract 2 both sides

Step 1: 4x + 2 = 10

Subtracting 2 both side,

⇒ 4x + 2-2 = 10-2

Step 2: 4x = 8

So, The best justification is 'Using the Subtraction Property of Equality, 2 is subtracted from both sides of the equation'.

Therefore, Option 1 is correct.

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3 years ago
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Step-by-step explanation:

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3 years ago
The area of a rectangle is 5/8 meter. The length of the garden is 1/5 meter. What is the width of the rectangle?
Afina-wow [57]

Width of rectangle is Width=\frac{25}{8} meters

Step-by-step explanation:

Area of rectangle = \frac{5}{8}

Length of garden = \frac{1}{5}

Width of rectangle = ?

Using the Formula:

Area = Length * Width

Putting values and finding width:

\frac{5}{8}=\frac{1}{5}*Width\\ Width=\frac{5}{8}\div\frac{1}{5}\\Width=\frac{5}{8}*\frac{5}{1}\\Width=\frac{25}{8} meters

So, width of rectangle is Width=\frac{25}{8} meters

Keywords: Area of rectangle

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3 years ago
The area of a rectangular note card is 35 square inches. The perimeter is 24 inches. What are the
zubka84 [21]

Answer:

5in by 7in

Step-by-step explanation:

2*(l+w)= 24 => l+w= 12

Le= 35

It is easy to see that 35=5*7 and 12= 5+7

So 5 and 7 are the dimensions of the card

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What is the constant of proportionality
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Step-by-step explanation:

“The constant of proportionality is the ratio between two directly proportional quantities. Two quantities are directly proportional when they increase and decrease at the same rate.”

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