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Nady [450]
3 years ago
13

Is 5000 cm greater than 5 m

Mathematics
2 answers:
levacccp [35]3 years ago
8 0
Yes, 5000cm is 50m and 50m is greater than 5m
ExtremeBDS [4]3 years ago
6 0
Yes. 5 meters = 500 centimeters.
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Mademuasel [1]
The Answer Is Fanny Hope It Works Good luck:)

3 0
3 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


4 0
3 years ago
Jane watched one television program for 1/4 of an hour and then changed channels to watch another program for 20 min. Write an e
photoshop1234 [79]
Jane's TV watching = \frac{1}{4}hours + 20mins
=\frac{1}{4}hours + (20mins)( \frac{1hour}{60mins})
=\frac{1}{4}hours +  \frac{1}{3}hours
=\frac{3}{12}hours +  \frac{4}{12}hours
=\frac{7}{12}hours
6 0
3 years ago
If you can buy 2/3 of a box of chocolate for five dollars how much can you purchase for 4 dollars
Lisa [10]

Hi,

First calculate how much chocolate for 1 dollar.

\frac{2}{3} = 0.67 \\ 0.67 \div 5 = 0.134

Then multiply by four to get amount of chocolate for four dollars.

0.134 \times 4 = 0.536

Answer: 0.536

Hope this helps.

6 0
3 years ago
Read 2 more answers
Two bicyclists are 7/8 of the way through a mile long tunnel when a train approaches the closer end at 40 mph. The riders take o
Anastaziya [24]

Answer:

the cyclists rode at 35 mph

Step-by-step explanation:

Assuming that the cyclists stopped, and accelerated instantaneously at the same speed than before but in opposite direction , then

distance= speed*time

since the cyclists and the train reaches the end of the tunnel at the same time and denoting L as the length of the tunnel :

time = distance covered by cyclists / speed of cyclists = distance covered by train / speed of the train

thus denoting v as the speed of the cyclists :

7/8*L / v = L / 40 mph

v = 7/8 * 40 mph = 35 mph

v= 35 mph

thus the cyclists rode at 35 mph

6 0
3 years ago
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