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mel-nik [20]
2 years ago
13

What is the value of x?

Mathematics
1 answer:
alexandr402 [8]2 years ago
8 0
What is the equation?
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A person jogged 10 times along the perimeter of a rectangular field at the rate of 12 kilometers per hour for 30 minutes. If the
notsponge [240]

Answer:

<u>The area of the rectangular field is 20,000 square meters.</u>

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

Number of times a person jogged along the rectangular field = 10

Speed of the person jogging = 12 km per hour

Time he/she jogged = 30 minutes = 0.5 hours

Length of the field = twice its width

2. Find the area of the field in square meters.

Step A: Let's calculate the distance the person jogged

Let's recall the formula of the speed:

Speed = Distance/Time

Distance = Speed * Time

Replacing with the values we know:

Distance = 12 * 0.5

<u>Distance = 6 kilometers</u>

Step B: Let's calculate the perimeter of the rectangular field

Distance jogged = ¨Perimeter * 10

6 kilometers = Perimeter * 10

Perimeter = 6/10

<u>Perimeter = 0.6 kilometers = 0.6 * 1,000 = 600 meters</u>

Perimeter = 2 * Length + 2 * Width

x = Width of the rectangular field

2x = Length of the rectangular field

600 = 2 * 2x + 2 * x

600 = 4x + 2x

600 = 6x

<u>x = 600/6 = 100 meters ⇒ 2x = 200 meters</u>

Step C: Let's calculate the area of the rectangular field

Let's recall the formula of the area of a rectangle:

A = Length * Width

A = 200 * 100

<u>A = 20,000 m² (square meters)</u>

7 0
3 years ago
Iteration-Find the first 3 iterates of the function look at pic pls help!!!!!
GalinKa [24]

The first 3 iterates of the function are D. 3, -3, 9.

<h3>How to calculate the value?</h3>

The function given is:

f(x) = -2x + 3

= -2(0) + 3

= 3

When x = 3

f(x) = -2x + 3

= -2(3) + 3

= -6 + 3

= -3

When x = -3

f(x) = -2x + 3

= -2(-3) + 3

= 9

Learn more about functions on:

brainly.com/question/25638609

#SPJ1

4 0
2 years ago
How could you answer this question?
erastova [34]

Answer:

1000 times

Step-by-step explanation:

because the tenths place would mean the 2 is equal to 0.2

and the 100s place would mean 200

to get to 200 from 0.2 you multiply by 1000, because the decimal point moves to the left for each zero.

6 0
3 years ago
Which of these number is a common factor of 24 and 56
I am Lyosha [343]

Answer:

8

Step-by-step explanation:

The greatest common factor  of 24 and 56 is 8. As the name suggests, the Greatest Common Factor is the largest number

8 0
3 years ago
Read 2 more answers
A company is designing a new cylindrical water bottle. The volume of the bottle will be 235 cm³. The height of the water bottle
Free_Kalibri [48]

Answer:

The radius of the cylinder is 2.92 cm

Explanation:

Given:

Volume of cylinder, V = 193 cm³

Height of the cylinder, h = 7.2 cm

Radius of the cylinder, r = ?

We know:

Volume of cylinder = πr²h

On substituting the value we get:

193 = 3.14 X r^2 X 7.2\\\\r^2 = 8.54\\\\r = 2.92 cm

Therefore, the radius of the cylinder is 2.92 cm

MARK BRAINLIEST PLZZ

5 0
2 years ago
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