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AleksAgata [21]
3 years ago
7

A survey of students at a university shows that 3out of 4 drinks coffee. of the students who drink coffee, 1 out of 5 add cream

to it. if the university has 8,000
students, find the number students who drink coffee with cream.
Mathematics
1 answer:
Snezhnost [94]3 years ago
6 0

Answer:

1200

Step-by-step explanation:

The number who drink coffee is 3/4 of 8000, so ...

... (3/4)×8000 = 6000.

Of those, 1/5 add cream, so the number of coffee drinkers who add cream to their coffee is ...

... (1/5)×6000 = 1200.

_____

<em>Alternate solutions</em>

We have computed ...

... (1/5)×((3/4)×8000) = 1200

Since multiplication is associative, you can multiply the fractions first, if you wish:

... ((1/5)×(3/4))×8000 = (3/20)×8000

... = 24000/20 = 1200

or

... = 3×(8000/20) = 3×400 = 1200

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if you save three pennies on January 1, six pennies on January 2, nine pennies on January 3, and continue this pattern for one y
Katarina [22]

Answer:

2003.85

Step-by-step explanation:

I realize I'm a year late, but the math of the previous answer was so terrible I'm honestly too horrified to let this be.

You have save by an increasing amount of 3 pennies per day. You start with 3 and build from that, each day, for 365 days. First, you must figure out what amount of pennies you shoved into your account on the final 365th day.

An= a1+(n-1)d

An=term you want

a1= term you begin with

n= term you want

d= constant amount

A_365= 3 + (365-1)*3

A_365= 1095

Arithmetic Sum: Sn = N/2 (a1 + an)

365/2 * (3 + 1095) = 200385.

This means you've invested a total of 200385 PENNIES after 365 days.

The question asks for dollars, not your rusting lincoln's.

As (I hope) you know, 1 Dollar = 100 pennies

200385 pennies/100 = 2003.85.

This means you have $2003.85 in your account by the conclusion of the 365th day.

4 0
3 years ago
Which product of prime polynomials is equivalent to 4x5 – 6x4 + 4x3 – 6x2?
Sedbober [7]

Answer:

4 x^5 - 6 x^4 + 4 x³ - 6 x² =  

Answer:  1 ) 2 x² ( x² - 1 ) ( 2 x - 3 )

6 0
3 years ago
Anna has 7 baskets and some flowers. She has 5 fewer baskets than flowers. How many flowers does Anna have?
Nimfa-mama [501]

Answer: I’m not quite sure but I think it’s 12

Step-by-step explanation:

If she has 5 fewer baskets than flowers that means 5+7= the amount of flowers which is 12. I hope this helps

3 0
3 years ago
Read 2 more answers
Help me with khan geometry. (Explain or give answer no link to answer thx)
NikAS [45]

Answer:

\boxed{\sf 200\pi}

Step-by-step explanation:

We know that the volume of a cone:-

\boxed{\sf  \pi r^2\cfrac{h}{3}}

(r = 10) (h = 6)

\sf \pi \times 10^2\times\cfrac{6}{3}

<u>Divide numbers:-</u>

\sf \cfrac{6}{3}=\boxed{2}

\sf 10^2\times \:2\pi

\sf 100\times \:2\pi

<u>Multiply numbers:-</u>

\boxed{\sf 200\pi}

Therefore, your answer is 200π³

We could also multiply 200 by 3.14 which will give you 628 units³.

7 0
2 years ago
Which equation is true?
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(86-h)+h = 86 is true
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