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VikaD [51]
3 years ago
12

The map ratio of a map is 1: 50000. find the length on the ground represented by 6.4cm on the map

Mathematics
1 answer:
luda_lava [24]3 years ago
3 0

Answer:

320,000

Step-by-step explanation:

6.4cm on the map would be 320,000 (ft I'm assuming) and I found that by multiplying 50,000x6.4.

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Nick can run the 440 yard dash in 55 seconds, and Jack can run it in 88 seconds. How great a handicap must Nick give Jack for th
Zepler [3.9K]
Jack --> 440 = rate * 88Jack --> 5 yrds/sex = rateJack in 55 seconds --> distance = 5 * 55 = 275 yrds440 - 275 = 165 yards handicap.
8 0
3 years ago
Find the Circumference of a circle with a Diameter of 9 inches Group of answer choices 9 pi inches 9 pi inches^2 9 pi inches^3 1
katen-ka-za [31]

Answer: 9\pi\ in.

Step-by-step explanation:

Given

The diameter of a circle is d=9\ in.

So, the radius is r=\frac{d}{2}=4.5\ in.

The circumference is given by 2\pi r

Insert the values

\Rightarrow 2\pi \cdot 4.5\\\Rightarrow 9\pi \ in.

Thus, the circumference of the circle is 9\pi\ in.  

8 0
3 years ago
Please help. A trapezoid has base measures of 10 and 14 inches and a height of 6 inches. What is the area?
yaroslaw [1]

Answer:

84 in^2

Step-by-step explanation:

Find the area by first finding the average of 10 and 14 (it is 12) and then multiplying this result (12) by 6:  area of trapezoid = 84 in^2.



6 0
3 years ago
Set up the equation to find the AREA of the SMALL rectangle with a length of (x) and width (x+7)
Igoryamba

<u>Answer:</u>

<h3>( x ) x ( x + 7 ) </h3>

<u>Step-by-step explanation:</u>

To find the area of a rectangle, we have to multiply the length with the width.

In the question, the given length is 'x' and the width given is 'x +7'

So, the area would be

( x ) x ( x + 7 )

The area = x^{2} + 7x

So, the equation to find the area of such a rectangle would be:-

( x ) x ( x + 7 )

7 0
3 years ago
A CD with a diameter of 120 millimeters rotates a rate of 45 revolutions per minute. Find the linear speed of the CD in millimet
ale4655 [162]

9514 1404 393

Answer:

  • 16,965 mm/min
  • 90π ≈ 282.7 radians/min

Step-by-step explanation:

The circumference of the CD is ...

  C = πd

  C = π(120 mm) ≈ 376.99 mm

This is the distance a point on the edge of the CD will travel when making one revolution. It will travel 45 times this far when making 45 revolutions:

  (376.99 mm/rev)(45 rev/min) ≈ 16,965 mm/min

__

There are 2π radians in each revolution, so the angular speed is ...

  (2π rad/rev)(45 rev/min) = 90π rad/min ≈ 282.7 rad/min

6 0
3 years ago
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