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Ilya [14]
3 years ago
7

A soup can has a height of 4 inches and a radius of 2.5 inches. What's the area of

Mathematics
1 answer:
Digiron [165]3 years ago
3 0

Answer:

  1. The lateral surface can be thought of as the crossectional area of the surface integral over dA such that
  2. lateral \:  = 2\pi \times r \times h \\ given  \: that  \: formula \: : \\ lateral = 2\pi \times (2.5)(4) \\  \\ 2\pi \times 10 \\ 20 \times \pi \\  \\ lateral=62.8

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Greg and Erin start at the same point and begin running in different directions. Greg is running east at a speed of 7 miles per
AveGali [126]

Answer: The time at which the distance between the two is 150 miles is 1.3 hr.

Step-by-step explanation:

Step 1: Sketch the problem as shown in the attached image.

The problem can be solved using Pythagoras theorem since the sketch is a right angled triangle.

It follows the equation x² + y² = 15².

The distance covered by Greg is given by <em>x mi</em>, and that of Erin is given by <em>y mi</em>.

Step 2: To derive the distance covered by Erin and Greg, we use the formula <em>Speed = distance ÷ time.</em>

Which by cross-multiplying gives <em>distance = speed × time</em>.

Let time taken to cover the distance be <em>t h</em>.

Given that Speed of Erin is 9 mph and that of Greg is 7 mph.

Hence, distance covered by Greg, x = 7 × t = 7t.

Distance covered by Erin, y = 9 × t = 9t.

Step 3: Insert the terms x and y into the Pythagoras equation x² + y² = 15² and solve for <em>time t.</em>

(7t)² + (9t)² = 15²

49t² + 81t² = 225

(49 + 81)t² = 225

      t² = 225/(49 + 81)

      t² = 225/130

      t² = 1.730769231

       t = √1.730769231

       t = 1.315587029

t = 1.3hr

Hence the time at which the distance between the two is 150 miles is 1.3 hr.

4 0
3 years ago
A student conducts several random surveys to find out the most preferred lunch option. Each survey was of 60 students. No studen
stira [4]

Answer:

A

C

is the answer

I think soo

5 0
3 years ago
Each lap around the track is 400 meters. How many meters does someone run if they runs if Noah ran 14 laps, how many meters did
sashaice [31]
Question 1: You just do 400 x 14, and the answer is 5,600.
Question 2: You divide 7,600 by 400, and the answer is 19.
7 0
2 years ago
Read 2 more answers
QUESTION: WHATS BETTER <br><br> APPLE JUICE OR ORANGE JUICE
alexandr1967 [171]

Answer:

orange juice is better than Apple Juice

5 0
2 years ago
Mickey works in a square shaped office. The area of his office is 110.25 ft2. What is the length of one side of Mickey’s office?
krek1111 [17]

Answer: A formula that can be used to find the answer is (x Squared = 110.25) So (x times x = 110.25) 10.5 is the length of one side because 10.5 squared = 110.25.

Answer is 10.5


4 0
3 years ago
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