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Sergeeva-Olga [200]
3 years ago
10

PLEASE NEED ANSWER !!!!!!!

Mathematics
1 answer:
GuDViN [60]3 years ago
7 0
(x/totaldrinkers)×100 x are drinkers which do or do not drink coffee
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Choose the correct simplification of the expression a2 ⋅ a3. a a6 a5 a−1
alina1380 [7]

Answer:  The correct option is (C) a^5.

Step-by-step explanation:  We are given to choose the correct simplification for the following expression :

P=a^2.a^3~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)

We will be using the following property of exponents :

x^a.x^b=x^{a+b}.

So, the simplification of expression (i) is as follows :

P\\\\=a^2.a^3\\\\=a^{2+3}\\\\=a^5.

Thus, the correct simplification of the given expression is a^5.

Option (C) is CORRECT.

3 0
3 years ago
Read 2 more answers
Whats is the difference between Billion & Milliard? ​
ioda

Answer:

Step-by-step explanation:

Image result for Whats is the difference between Billion and Milliard? ​

1,000,000,000 (one billion, short scale; one thousand million or milliard, yard, long scale) is the natural number following 999,999,999 and preceding 1,000,000,001. ... Previously in British English (but not in American English), the word "billion" referred exclusively to a million millions (1,000,000,000,000).

4 0
3 years ago
A construction company has an expenditure rate of ​E(x)equalse Superscript 0.11 x dollars per day on a particular paving job and
dmitriy555 [2]

Answer:

Check the explanation

Step-by-step explanation:

Kindly check the attached images below to see the step by step explanation to the question above.

6 0
3 years ago
Why can you use fraction multiplication to check the answer to a fraction division problem? How do you use multiplication to che
erica [24]
Fraction division is basically multiplication of a reciprocal.

For example (1/4)/(1/8) = (1/4)x(8/1)=2

Multiplication of the answer and the piece that divides (in this case 2 x 1/8), you should get the piece that is being divided (in this case 1/4). If that is correct, then your division is correct.
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3 years ago
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David bought 3 dvds and 4 books for $40 at a yard sale. Anna bought 1 dvd and 6 books for $18. How much did each dvd and book co
Ber [7]

Answer:

A book is worth $1 and a DVD is worth $12.

Step-by-step explanation:

The equations (2 unknowns and two equations, d is for a DVD and b is for a book):

For David: 3d+4b=40

For Anna: d+6b=18

Now multiply the second equation with -3 and add to the first equation:

3d+4b=40

−3d−18b=−54

Combined equation: −14b=−14 and b=1 (means that each book is worth $1).

 

Now for DVD price, use the second equation:

d=18−6 or d=12 (means that each DVD  is worth $12).

A book is worth $1 and a DVD is worth $12.

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3 years ago
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