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3 years ago

In how many ways can 12 books be displayed on a shelf if the given number of books are available

Mathematics

1 answer:

Cerrena [4.2K]3 years ago

4 0

The answer is not applicable. theres not enough information. -fvmousskaylaa

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Paint is red : blue in a ratio of 2 : 4. if 5 litres of red is used how much blue is used

dlinn [17]

10 liters of blue

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3 years ago

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How many odd numbers are between 20-100?

cestrela7 [59]

Answer:

there are forty odd numbers

Step-by-step explanation:

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3 years ago

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Find a 20 given that a 3 = 9 and a 8 = 24

Nimfa-mama [501]

Answer:

a₂₀ = 60

Step-by-step explanation:

Given :-

a₃ = 9

a₈ = 24

To find :-

a₂₀

Solving :-

Expand the given values.

a + 2d = 9 -(1)

a + 7d = 24 -(2)

Now subtract (1) from (2).

=> 5d = 15

=> d = 3

a = 9 - 2d

a = 9 - 6

a = 3

Final answer :-

a₂₀

= a + 19d

= 3 + 19(3)

= 3+ 57

= 60

a₂₀ = 60

8 0

1 year ago

Alex’s printer can print 8 photos in 12 minutes.

Gre4nikov [31]

Answer:

$120\ minutes$

Step-by-step explanation:

step 1

Alex’s printer

we know that

print 8 photos in 12 minutes

by proportion

Find how long will it take the printer to print 120 photos

$\frac{12}{8}=\frac{x}{120}\\ \\x=120*12/8\\ \\x=180\ minutes$

step 2

Khalil’s printer

we know that

print 24 photos in 1 hour (60 minutes)

by proportion

Find how long will it take the printer to print 120 photos

$\frac{60}{24}=\frac{x}{120}\\ \\x=120*60/24\\ \\x=300\ minutes$

step 3

Find the difference

$300\ minutes-180\ minutes=120\ minutes$

7 0

2 years ago

A: Which represents a linear function? B: How can you tell? PLEASE HELP 10 POINTS

rodikova [14]

Answer: B

Step-by-step explanation: because B has 2 points that are able to be plotted because it would be y=2x+0 and 0 is the y intercepts while 2 is the slope.

4 0

2 years ago