What is 2/4 x 4/8 it is a hard question for my sister

Mathematics

2 answers:

Veseljchak [2.6K]3 years ago

4 0

Step-by-step explanation:

2/4*4/8 can be simplified to 1/2*1/2, the product of which is 1/4! Multiply the numerators by each other and the denominators by each other. 1*1 is 1 and 2*2 is 4.

Remember that a fraction multiplied by another fraction is like dividing, the product will get smaller.

Multiplying something by 1/2 for example is like dividing by 2.

Hope this helped!

makvit [3.9K]3 years ago

3 0

♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫

➷ First, you can simplify the fractions.

2/4=1/2

4/8=1/2

Then, you multiply them.

1/2*1/2=1/4

Final answer:

1/4

✽

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

TROLLER

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The perimeter of the base of a square pyramid is 16 feet and it stands 20 ft tall. Calculate the volume.

Vikentia [17]

Answer: $1706.67 feet$

Step-by-step explanation:

Formula: Volume = $\frac{1}{3} \alpha^{2}h$

a is the length of the base's edge and h is the height. Since 16 is the length we would square it as it is the length, then we would multiply it by the height which is 20 ft.

<u>Steps: Multiply</u>

Volume = $\frac{1}{3} \alpha^{2}h$

= $\frac{1}{3} * 16^{2} * 20$

= $1706.67 feet$

~I hope I helped you :)~

6 0

2 years ago

Knowing that 2i is one answer to the equation x^4 - 2x^3 + 6x^2 - 8x + m = 0, find the 'm' and the other possible answers.

kakasveta [241]

Ok so remember
if a+bi is a root, then a-bi is also a root

since 2i is a root, -2i is also a root
use synthetic division and the fact that when we divide by 2i and -2i, we have to get all real coeficients and end witha zero at the end
I will show the division in the attachment

we find m=8

we then find th resulting equation that is x^2-2x+2=0
quadratic formula
x= $\frac{-b+/- \sqrt{b^{2}-4ac} }{2a}$
x=1+i or 1-i

m=8 and the other roots are
x=-2i, 1+i, 1-i