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3 years ago

find the number of possible combinations choose one of three books and one of eight CDs to bring on a bus trip

Mathematics

2 answers:

SVEN [57.7K]3 years ago

6 0

There is a possibility of 24 combinations I believe

maks197457 [2]3 years ago

5 0

There are 3 possibilities when choosing 1 of 3 books.
There are 8 possibilities when choosing 1 of 8 books.
Events are independent of each other so "and" would be to multiply.
3 × 8 = 24 possible combinations

You can also see by writing out the possibilities..
Say names of books are {A,B,C} and names of CD's are {1,2,3,4,5,6,7,8}
A1, A2, A3, A4, A5, A6, A7, A8
B1, B2, B3, B4, B5, B6, B7, B8
C1, C2, C3, C4, C5, C6, C7, C8

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What is the next letter b a d e h g k

aivan3 [116]

Abcdefghijklmnopqrstuvwxyz

ok

b to a
goes back 1 letter

then b to d
skips 3 letters forward

then d to e
1 forward

e to h
skips 3 forward

h to g
goes 1 back

g to k
goes 3 forward

pattern seems to be
1back, 3 forward, 1 forward, 3 forward, repeat
so we are at 3 forward after than 1 back, so the next one is 1 forward

1 forward from k is l

the next letter is L

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3 years ago

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LekaFEV [45]

Answer:

n 3 is the correct answer okay

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2 years ago

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inysia [295]

Answer:

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Simply move the decimal 12 places to the left.

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2 years ago

James works at a grocery store. He makes $6.20 per hour and works 30 hours each week. How much money will james make in a 4-week

lara31 [8.8K]

It is a very simple question to answer.

Obviously first we can calculate his weekly earnings and then multiply them by 4 to calculate his total earnings over the course of 4 year period.

So as he makes 6.2$ an hour. He will make 6.2 * 30 = 186 $ a week as that is the number of hours he works in a week.

Now we can multiply this by 4 to calculate his over all earnings. So 186 * 4 = 744.

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3 years ago

Write an equation of a line that passes through (5,

enyata [817]

Answer:

y = 1/5x - 11

Step-by-step explanation:

perpendicular to a line means we flip the slope to opposite of what it is

in other wrds, since your slope is -5, your new slope for the line perpendicular to it would be 1/5.

Now we just use the same equation to find the y-intercept, which is b.

y = mx + b; m is your slope and b is your y intercept.

use the points given; (5, -10).

-10 = 1/5(5) + b

-10 = 1 + b

-11 = b

now put your equation together since you have all the pieces

y = 1/5x - 11

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2 years ago