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velikii [3]
4 years ago
15

A random number is drawn between 1 - 100. Find P( multiple of 5 ).

Mathematics
1 answer:
uysha [10]4 years ago
3 0

Answer:

0.2  or   20%

Step-by-step explanation:

-Probability is the chance taking place and is calculated as the number of times that event occurs divided =by the total number of events.

-The are 20 multiples of 5 between 1 and 100:

5,10,15,20,25,30,35,40,45,50,55,60,65,70,75,80,85,90,95,100

#Given that there are 100 events and 20 multiples of 5, the probability can be calculated as follows:

P(multiple\ of \ 5)=\frac{Multiples \ of \ 5}{Number \ of \ events}\\\\=\frac{20}{100}\\\\=0.2 \  or \ 20\%

Hence, the probability of multiples of 5 between 1 and 100 is 0.2 or 20%

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77julia77 [94]

I will have $2721 at the beginning of the eighth year.

The beginning of the eighth year is the end of <em>seven years of investing</em>.

The formula for the future value (FV) of my investment is

FV = <em>C</em>(1 + <em>r</em>)^<em>n</em>

where <em>C</em> = my initial cash

<em>r</em> = the interest rate

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FV = $2000(1.045)^7 = $2722

8 0
4 years ago
00 pts
777dan777 [17]

Answer:

a_n=6\cdot (-1)^n

Step-by-step explanation:

<u>Alternating Sequences</u>

A sequence whose terms alternate in the sign is called an alternating sequence.

The given sequence consists of the numbers -6 and 6 in infinite alternation.

Such sequences can be expressed as equations of the form

a_n=a\cdot (-1)^m

Where a is the constant absolute value of each term and m is an expression adequately arranged to reproduce the alternation of signs.

Since the sign is minus for odd terms, and plus for even terms, m=n is a good expression for m. Thus:

a_n=6\cdot (-1)^n

5 0
3 years ago
Original price: $15 discount: 5% how do you find the sales price
SashulF [63]
5% X
100. 15. Cross multiply

5×15=75. 100×X=100X
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100=7.5. 100=1
15.00
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5 0
3 years ago
Read 2 more answers
Simplify the expression (r^2*s)^5 <br> A. r^7*s^5<br> B. r^7*s^6<br> C. r^10*s^6<br> D. r^10*s^5
Snowcat [4.5K]

Answer:

D. r^10*s^5

Step-by-step explanation:

(r^2*s)^5  \\  \\  =  {r}^{2 \times 5} \ast {s}^{5}   \\  \\  =  {r}^{10} \ast {s}^{5}

5 0
3 years ago
Help plz 10 points its math, well darn bet you know that-
marishachu [46]

Answer:

2

Step-by-step explanation:

let x be the missing place

28/100=x/10 + 8/100

multiply through by 100

28=10x +8

28-8=10x

20/10=x

2=x

6 0
3 years ago
Read 2 more answers
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