4÷25times4÷100times4÷4

Mathematics

1 answer:

notsponge [240]3 years ago

3 0

Answer:

0.0064 is your answer

Step-by-step explanation:

because 4÷25 = 0.16 and 4÷100=0.04 and of course 4÷4=1

When the 0.16 and 0.04 that gets 0.0064

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A lumber yard has five different lengths of 2 by 4 boards. Based on cost per linear foot, which is the best deal available on 2

ExtremeBDS [4]

Complete Question:

Here is the complete question:

A lumber yard has five different lengths of 2 by 4 boards. Based on cost per linear foot, which is the best deal available on 2 by 4 boards at this lumber yard?

2 × 4 BOARD PRICES

8 foot board for $2.95

10 foot board for $3.15

12 foot board for $4.10

16 foot board for $5.80

20 foot board for $6.95

Step-by-step explanation:

8 foot board for $2.95

$\frac{2.95}{8}= 0.36875$

10 foot board for $3.15

$\:\frac{3.15}{10}=0.315$

12 foot board for $4.10

$\frac{4.1}{12}=0.341$

16 foot board for $5.80

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20 foot board for $6.95

$\frac{6.95}{20}= 0.3475$

Therefore, 10 foot board for $3.15 is the best deal available on 2 by 4 boards at this lumber yard. It means you should be able to get 1 board for $0.315 when you buy 10 boards.

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3 years ago

An artist is trying to choose 5 covers for children’s books. There are 10 different covers to choose from. How many ways can the

Aleksandr [31]

Answer:

252

Step-by-step explanation:

The order of the books isn't important, so we'll use combinations.

The number of ways to choose 5 books from 10 is:

₁₀C₅ = 10! / (5! (10 − 5)!)

₁₀C₅ = 10! / (5! 5!)

₁₀C₅ = 10×9×8×7×6 / (5×4×3×2×1)