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2 years ago

A computer software retailer used a mark up of 150%. Find the cost of the computer

Mathematics

1 answer:

cluponka [151]2 years ago

4 0

The selling price of the computer is $35.

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g If there are 52 cards in a deck with four suits (hearts, clubs, diamonds, and spades), how many ways can you select 5 diamonds

dezoksy [38]

Answer:

The number of ways to select 5 diamonds and 3 clubs is 368,082.

Step-by-step explanation:

In a standard deck of 52 cards there are 4 suits each consisting of 13 cards.

Compute the probability of selecting 5 diamonds and 3 clubs as follows:

The number of ways of selecting 0 cards from 13 hearts is:

${13\choose 0}=\frac{13!}{0!\times(13-0)!} =\frac{13!}{13!}=1$

The number of ways of selecting 3 cards from 13 clubs is:

${13\choose 3}=\frac{13!}{3!\times(13-3)!} =\frac{13!}{13!\times10!}=286$

The number of ways of selecting 5 cards from 13 diamonds is:

${13\choose 5}=\frac{13!}{5!\times(13-5)!} =\frac{13!}{13!\times8!}=1287$

The number of ways of selecting 0 cards from 13 spades is:

${13\choose 0}=\frac{13!}{0!\times(13-0)!} =\frac{13!}{13!}=1$

Compute the number of ways to select 5 diamonds and 3 clubs as:

${13\choose0}\times{13\choose3}\times{13\choose5}\times{13\choose0} = 1\times286\times1287\times1=368082$

Thus, the number of ways to select 5 diamonds and 3 clubs is 368,082.

6 0

3 years ago

-9+8x=35 explain please 9-8x=-35 please xplain -9-8x=-35 Please explain

harina [27]

-9+8x=35

to eliminate -9 from left side, adding 9 to both sides we get,

9-9+8x=35+9

8x=44

divide both sides by 8

8x/8 = 44/8

x=11/2

7 0

4 years ago

Estimate the quotient of 900.37 and 29.8.

Murljashka [212]

Hi!

First, change 900.37, into 900. and 29.8 into 30.

900/30= is 30.

So your estimated answer is 30.

Hoped I helped!

7 0

3 years ago

A recipe calls for 2,000 grams of sweet potatoes. Which expression can be used to find how many kilograms of sweet potatoes are

Bogdan [553]

Answer:

2 kilograms of sweet potato

Step-by-step explanation:

1 kilogram = 1000 grams.

So, to find how many kilograms there are divide by 1,000

2,000 ÷ 1,000 = 2

So, there are 2 kilograms needed.

Have a great day!

8 0

3 years ago

Can anyone help me?.

4vir4ik [10]

The third one is the correct answer

7 0

3 years ago