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SSSSS [86.1K]
3 years ago
8

The numerator and denominator of a fraction are in the ratio of 3 to 5. If the numerator and denominator are both increased by 2

, the fraction is now equal to 2/3.
If n = the numerator and d = the denominator, which of the following systems of equations could be used to solve the problem?


A) 5n = 3d and 3n + 6 = 2d + 4

B) 5n = 3d and 4n + 4 = 3d + 6

C) 3n = 5d and 3n + 6 = 2d + 4
Mathematics
1 answer:
butalik [34]3 years ago
6 0

Answer:

The correct answer is A) 5n = 3d and 3n + 6 = 2d + 4

Step-by-step explanation:

hope this is right...

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Brainlest!
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Answer:

A

Step-by-step explanation:

The parabola ends at 4, and therefore the range is all real numbers under 4

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If A={w,h,i,t,e,b,o,a,r,d} and U ={a,b,c,d,e,f,g,h,i,j,k,l,m,,n,o,p,r,s,t,u,v,w,x,y,z}
Fiesta28 [93]
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3 years ago
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Q # 15 I need help please to resolve
kow [346]

The sequence is

740, 707.60,675.20,642.80,...

Here first term is 740, and common difference, d is

707.60-740 = -32.40

Now we use the formula of nth term, which is

a_{n} = a+(n-1)d

Substituting the values of a,n and d, we will get

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Correct option is the second option .

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4 years ago
Item 11
Elena-2011 [213]

Answer:

54+2x=5x-3(2+6x)

54+2x=5x-6-18x

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3 0
4 years ago
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The population of a town increases by 4 % every year . In the last year the population of the town was 110000.
TEA [102]

Answer:

114,400 and 118,976.

Step-by-step explanation:

Let's represent this using a function. Let's let:

P(y) represent the total population, and y represent the total number of years since last year.

We know that the population grows by 4% every year or 0.04 every year. This is exponential growth. We can write this as:

P(y)=110000(1.04)^y

Note that the coefficient is 110000 because that is the year we are starting with. Also, note that it is 1.04 because we are essentially adding .04 to the original population.

Anyways, to find the present population, set y equal to 1 (because 1 year after last year is the present year)

P(1)=110000(1.04)^1=114400

The present population is 114,400 people.

For next year, set y equal to 2 (2 years after last year is next year)>

P(2)=110000(1.04)^2=118976

The population next year will be 118,976 people.

3 0
3 years ago
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