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3 years ago

a rabbit can run 35 miles per hour. a fox run can run 21 miles in half an hour.which animal is faster,and by how much

Mathematics

2 answers:

lord [1]3 years ago

6 0

Answer:

the rabbit by 14 miles per hour

Step-by-step explanation:

The rabbit because if you subtract 35 from 21 it gives you 14

Svetradugi [14.3K]3 years ago

4 0

Hi there!

In order to find your answer, you'll need to compare for the same time how many miles can both run :

35 miles → 1 hour

21 miles → half hour = 42 miles → 1 hour

Now you can easily see that a fox runs faster than a rabbit, because a fox can run 7 more miles per hour than a rabbit.

There you go! I really hope this helped, if there's anything just let me know! :)

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Daniel [21]

Answer:

48:29

Step-by-step explanation:

So lets find the ratio without simplest form: the ratio is 96:58

When writing the ratio we write the one mention first

Now lets write it in simplest form practically reducing it to its lowest term

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3 years ago

X squared plus 8X +12

Xelga [282]

Answer:

(x+2)(x+6)

Step-by-step explanation:

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3 years ago

In the equation (x^2+y)^5, what is the coefficient of the term x^4y^3? what is the coefficient of the same term in the expansion

lys-0071 [83]

$\displaystyle
(x+y)^n=\sum_{k=0}^n\binom{n}{k}x^{n-k}y^k$

-------------------------------------------------------------

$\displaystyle
(x^2+y)^n=\sum_{k=0}^n\binom{n}{k}x^{2n-2k}y^k\\
n=5\\
k=3\\\\\binom{5}{3}=\dfrac{5!}{3!2!}=\dfrac{4\cdor5}{2}=10$

It's 10.

----------------------------------------------------

$\displaystyle
(3x^2+y)^n=\sum_{k=0}^n\binom{n}{k}(3x)^{2n-2k}y^k=\sum_{k=0}^n\binom{n}{k}\cdot 3^{2n-2k}\cdot x^{2n-2k}y^k\\\\
n=5\\
k=4\\\\
\binom{5}{3}\cdot3^{2\cdot5-2\cdot4}=10\cdot3^{2}=10\cdot9=90$

It's 90

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Answer:

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Step-by-step explanation:

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ivanzaharov [21]

The answer is 4%

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3 years ago