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3 years ago

6

A student is given the rectangle and the square shown below the student states that the two figures have the same perimeter is t

he student correct explain reasoning

1 answer:

Scrat [10]3 years ago

4 0

No because the perimeter of a rectangle is L×W or (2L+2W) , but the perimeter of a square is S×S×S×S so there is a difference between the two.

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A man is distributing his coin collection with 35 coins to his five grandchildren. How many ways are there to distribute the coi

Musya8 [376]

Answer:

a) $82251$

b) $2.91038 \cdot 10^{24}$

c) $1$

d) $3.17746\cdot 10^{21}$

Step-by-step explanation:

a) If the coins are all the same, we have a combination of 35 identical coins in 5 persons.

The amount of combinations is

$\binom{n+r-1}{r-1}=\binom{35+5-1}{5-1}=\binom{39}{4}=\frac{39!}{4!35!} =82251$

being n the number of coins and r the number of grandchildren.

b) If the coins are different, the number of combinations can be calculated as:

$r^n=5^{35}=2.91038 \cdot 10^{24}$

c) If the coins are all the same, and each grandchild gets the same number of coins, there is only one combination for that (everyone gets 35/5=7 coins)

d) If the coins are all distinct, but each of the grandchildren get the same numer of coins, the expression to calculate this is:

$\frac{n!}{(n/r)!^r} =\frac{35!}{(35/5)!^5}=\frac{35!}{7!^5}=\frac{1.03331\cdot 10^{40}}{3.25202\cdot 10^{18}} =3.17746\cdot 10^{21}$

3 0

3 years ago

Please help again forgot everything

attashe74 [19]

Answer:

a

Step-by-step explanation:

to find a proportion they must equal each other

8/4 in its simplest form is just 2

to make r/3 = 2 r must be 6

6/3 is 2

8 0

2 years ago

HURRYSolve. X/3 <_ -6 please answer fast HURRY

Eva8 [605]

Step-by-step explanation:

do you mean less than or equal to

x/3<= -6 x 3

x<= -18

3 0

3 years ago

Please help I need the answer

ivolga24 [154]

Answer:

show this

and plz mark as brainlist

8 0

3 years ago

ANSWER ASAP! DUE TODAY

Anton [14]

Answer:

A. 52°

Step-by-step explanation:

The measure of an inscribed angle is 1/2 the measure of the intercepted arc.

m∠B = 1/2 (m of arc AC)

26 = 1/2 (m of arc AC)

52 = (m of arc AC)

6 0

3 years ago