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chubhunter [2.5K]
3 years ago
8

Which property of multiplication is shown by the equation f x 8 =8f

Mathematics
1 answer:
marissa [1.9K]3 years ago
3 0
What is the commutative property of multiplication?
You might be interested in
the diameter of a bike wheel is 25 inches. If the wheelmakes 20 Complete rotations, how far does the bike travel?
Iteru [2.4K]

Answer:

1571 in

Step-by-step explanation:

Given data

Diamter= 25 in

radius= 25/2= 12.5in

Circumference= 2πr

substitute

C=2*3.142*12.5

C=78.55in

In 1 revolution the bike will travel 78.55in

in 20 revolutions the bike will travel

=78.55*20

=1571 in

4 0
3 years ago
What is the value of 7x 2squared + 2x when x = 3?
mash [69]

Answer:

Given expression has the value 69

Step-by-step explanation:

Given equation is:

=7x^2 + 2x

Now we have to put x = 3

So the equation will become:

=7(3)^2 + 2(3)

By simplifying:

As 3^{2} = 9

and 2*3 = 6

So the above equation will become:

=7(9 ) + 6\\= 63 + 6\\= 69

So the value of given expression is 69.

i hope it will help you!

6 0
3 years ago
Books are packed into boxes of 90. 23 boxes on 1 crate. How many crates will be needed to pack 270000 books.
agasfer [191]

Answer:

130 crates

Step-by-step explanation:

270,000/90=3000/23

3000/23=130.43

rounded: 130 crates

6 0
2 years ago
A farmer decides to enclose a rectangular garden, using the side of a barn as one side of the rectangle. What is the maximum are
kifflom [539]
Garden
max area is if the sides are as equal as possible
so he should try to make a square (ideal is a circle, but barn walls are normally straight)
squaer perimiter=4 times legnth of 1 side
perimiter=amount of fencing=80
80=4s
divide 4
20=s
one sides=20

area=legnth times width
in squaer, legnth=width

20=legnth
20=width
area=20 times 20=400

dimetions are 20ft by 20ft to give 400ft^2
(fun fact, if it were a circle, the area would be about 509.5ft^2)


answer is 20ft by 20ft and area=400ft^2
7 0
3 years ago
The dimensions of a room are 4.2m by 6m. On a plan, the longer side is equal to 4 cm. What is the length of the shorter side on
Fiesta28 [93]

Answer: Length of shorter side is 2.8 cm.

Explanation:

Since we have given that

Dimensions of a room are given by

4.2\ m\times 6\ m

On a plan,  the longer side = 4 cm

As we know that the ratio of original room is equal to ratio of plan room

So,

\frac{4.2}{6}=\frac{x}{4}\\\\4.2\times 4=6x\\\\16.8=6x\\\\\frac{16.8}{6}=x\\\\2.8=x

So, length of shorter side is 2.8 cm.

7 0
3 years ago
Read 2 more answers
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