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dsp73
4 years ago
15

What exactly is a conversion factor and how do you use one

Mathematics
1 answer:
pav-90 [236]4 years ago
5 0
A conversion factor is a fraction equal to ' 1 '.  It has the same quantity in the numerator and denominator, but they're in different units.  You use it to convert a number from one unit to another unit.  In order to do that, you multiply the original number by the fraction that's equal to ' 1 ', so you don't change the value of the original number, but you change its units.

Example:

How many inches are there in 7 feet ?

Use the fraction (12 inches)/(1 foot) which is equal to ' 1 ', and multiply.

                         (7 foot) x (12 inches/1 foot)

This multiplication produces    (7 x foot x 12 x inches) / (1 foot)

When you divide top and bottom by 'foot', you have (7 x 12 inches) = 84 inches .
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What is negative 7 over 2 simplified
anyanavicka [17]
It's just like multiplying and dividing a negative, such as -1 *2=-2 and -2 / 1= -1

if there is one negative then it will be negative, so in this case it will be -7 / 2= 

answer= -3 1/2
8 0
3 years ago
It takes 75 pounds of seed to completely plant an 8-acre field.
a_sh-v [17]

Answer:

8/75

Step-by-step explanation:

make a table chart

divided 75 by 75 to get one then do it to the other side

8 divided by 75

will give you 8/75

6 0
3 years ago
The equilateral triangle shown is rotated about line a. Each side of the triangle measures 20 mm. What shape is created by the r
zysi [14]

Answer:

a cone with a base circumference of about 126 mm

Step-by-step explanation:

Rotating a triangle about a line results in a cone created by the rotation.  This is because the segment at the bottom forms a circle, and the point at the top stays there; the three-dimensional figure with a circular base and a point at the top is a cone.

Since we rotate the segments about a line, this makes the length of the base the radius of the circle. This means the circumference would be

C = 2πr = 2(3.14)(20) = 125.6 ≈ 126 mm

3 0
4 years ago
Read 2 more answers
I need helpppppppp ??ASAP
KIM [24]

Answer:

60.32

Step-by-step explanation:

5 0
3 years ago
What is the slant height of a square pyramid that has a surface area of 189 square feet and a side length of 7 feet? A. 14 ft B.
cupoosta [38]
C.) 10..........................
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3 years ago
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