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Drupady [299]
3 years ago
6

Susan is buying three different colors of tiles for her kitchen floor. She is buying 25 more red tiles than beige tiles, and thr

ee times as many navy-blue tiles as beige tiles. If Susan buys 435 tiles altogether, how many tiles of each color does she buy?
Mathematics
1 answer:
Setler [38]3 years ago
6 0
Answer: 185-red tiles
               185-beige tiles
               75-navy blue tiles
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A chef has 10 spice jars, but his new spice rack only holds 8 spice jars. How many ways can he arrange 8 jars on the spice rack?
aksik [14]
He has 10 spice jars, but the spice rack only holds 8 spice jars.
Calculate in how many ways he can choose 8 spice jars from 10 spice jars using combination:
_{10} C _8=\frac{10!}{8!(10-8)!}=\frac{10!}{8! \times 2!}

Each combination of 8 spice jars that he chooses he can arrange in 8! ways.

He can choose 8 spice jars in (10!)/(8!×2!) ways and arrange each combination in 8! ways.
Using the rule of product:
8! \times \frac{10!}{8! \times 2!}=\frac{10!}{2!}=\frac{2 \times 3 \times 4 \times 5 \times 6 \times 7 \times 8 \times 9 \times 10}{2}=1814400

He can arrange 8 jars on the spice rack in c. 1,814,400 ways.
6 0
4 years ago
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Please answer I need it
dalvyx [7]
What is it? can you write out the problem.

7 0
3 years ago
Pls help need it ASAP <br> the answer is not x=3, y=3
Scilla [17]

Answer:

x=4 and  y=1

Step-by-step explanation:

4x-y=15

2x+y=9

6x=24

x=24/6

x=4

4x-y=15

4(4)-y=15

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3 0
3 years ago
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Y is one-tenth of x.<br> The equation is y=?
nignag [31]

Answer:

x over 10

Step-by-step explanation:

y is one-tenth (/10) of x

y = x / 10

x over 10 is your answer

Hope this helps!

5 0
3 years ago
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s2008m [1.1K]

Answer:

The correct answer would be 9! hope this helped you

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3 years ago
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