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klemol [59]
3 years ago
13

Help me plsss....

Mathematics
2 answers:
eimsori [14]3 years ago
6 0

Answer:

If it took the motorcycle 2 hours to cover 20km, then the average speed is 10km per hour.

Speed is equal to distance over time. So 20km divided by 2 hours is 10 km per hour.

DIA [1.3K]3 years ago
4 0

Step-by-step explanation:

i hope this is gonna help......

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5 times the difference of a number subtracted from 10 is 40. What is the number?
postnew [5]
5(n-10)=40  is the equation 
5n-50=40 solve for n
5n = 90
n =18

hope this helps . give me brainliest id appreciate it !
8 0
4 years ago
A container in the shape of a cone has a height of 13 centimeters and a diameter of 8 centimeters. Find the volume of the contai
sp2606 [1]

if its diameter is 8 cm, then its radius is half that, or 4 cm.

\bf \textit{volume of a cone}\\\\ V=\cfrac{\pi r^2 h}{3}~~ \begin{cases} r=radius\\ h=height\\ \cline{1-1} r=4\\ h=13 \end{cases}\implies V=\cfrac{\pi (4)^2(13)}{2} \\\\\\ V=104\pi \implies \stackrel{\pi =3.14}{V=326.7}

3 0
3 years ago
Find the probability of each event.
omeli [17]

Answer:

The probability that cards # 1, # 2, and # 3 are still in order on the top of the stack is 0.045%.

Step-by-step explanation:

Since a politician is about to give a campaign speech and is holding a stack of thirteen cue cards, of which the first 3 are the most important, and just before the speech, she drops all of the cards and picks them up in a random order, to determine what is the probability that cards # 1, # 2, and # 3 are still in order on the top of the stack, the following calculation must be performed:

1/13 x 1/13 x 1/13 = X

0.076 x 0.076 x 0.076 = X

0.00045 = X

0.00045 x 100 = 0.045

Therefore, the probability that cards # 1, # 2, and # 3 are still in order on the top of the stack is 0.045%.

3 0
3 years ago
Is 43/10 an irrational number or rational number ?
RideAnS [48]

Answer:

Rational

Step-by-step explanation:

The definition of rational is that it can be written as a fraction where the top and bottom are integers (the bottom integer not 0).

--

43/10 is written in that form since 43 and 10 are both integers.

5 0
4 years ago
Which equation represents the line that passes through (–6, 7) and (–3, 6)?
svet-max [94.6K]
Y= -1/3x+5 is the equation to represent this line
8 0
3 years ago
Read 2 more answers
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