3 years ago

Yeah i suck at math

1 answer:

7 0

Me too
.................

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iren [92.7K]

Remark

Many calculators have a key that will do this in one step. Mine is one of them. So let's start with the answer and then we'll do it the long way.

9C3 = 84. You put it into your calculator as 9 2nF nCr 3 =

Solution

$\dfrac{9!}{(n - 3)!3!} = \dfrac{9*8*7*6!}{6!*3!}=\dfrac{9*8*7}{6}$

3*4*7 = 84 which is what you set out to show.

3 0

3 years ago

Alex73 [517]

Answer:

52 brownies

Step-by-step explanation:

If you divide 17.16 by 0.33, you get 52

5 0

2 years ago

snow_tiger [21]

Answer:

64.01

Step-by-step explanation:

tan∅= p/b

tan58= x/40

or, x= 40×tan58

x = 64.01

6 0

2 years ago

Alika [10]

I hope this helps you

6+4×2^3

6+4×8

6+32

38

5 0

3 years ago

Nana76 [90]

-15 5/8 feet
5 6/8- 20 1/8

8 0

3 years ago