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Temka [501]
3 years ago
12

Suppose a city with population 900,000 has been growing at a rate of 7% per year. If this rate continues, find the population of

this city in 17 years
Mathematics
1 answer:
DaniilM [7]3 years ago
8 0

Answer: 1,971,000

Step-by-step explanation:

7% increase per year= 7/100 x 900,000

=63000; population will therefore increase by 63,000 per year.

In 17 years, it will have increased by 63,000 × 17 = 1,071,000

Population in 17 years will be current population + increase

=900,000+ 1,071,000

=1,971,000

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5/7 = y/6<br> Solve the following proportion for y<br> Round your answer to the nearest tenth
RUDIKE [14]

Answer:

The value of y = 4.3

Step-by-step explanation:

It is given that,

5/7 = y/6

<u>To find the value of y</u>

We have, 5/7 = y/6

(5 * 6) = (y * 7)

y * 7 = 5 * 6

y = (5 * 6)/7

 = 30/7

 = 4.29

 ≈ 4.3

Therefore the correct answer, the value of y = 4.3

4 0
3 years ago
Which statement below is always true?
kow [346]

Answer:

b

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Identify the number of solutions:<br> 3(x + 4) = 3(x - 8)
ale4655 [162]

Answer:

No solutions

Step-by-step explanation:

3(x+4) = 3(x-8)

Apply distributive Property

3x+12 = 3x-24

Subtract 3x from each side

12 = -24

This is not true, so there are no solutions

6 0
4 years ago
Select the expression equivalent to (-2x + 8.1y) - (-9x + 5.3y).
makvit [3.9K]
ANSWER
D.) 7x+2.8y

Hope this helped!
3 0
3 years ago
Given the parent functions f(x) = 5x − 1 and g(x) = 3x − 9, what is g(x) − f(x)? (2 points)
alexgriva [62]

Answer:

g(x) - f(x) = 3x - 8 - 5x is the answer.

Step-by-step explanation:

Considering the parent functions

  • f(x) = 5x -1
  • g(x) = 3x - 9

To Determine:

We have to determine

g(x) - f(x)

To find the difference between two function, subtract the first from the second.

The difference of g-f

(g-f)(x)=g(x)-f(x)

As

  • f(x) = 5x -1
  • g(x) = 3x - 9

So,

(g-f)(x)=g(x)-f(x)

And

g(x) - f(x) = 3x - 9 - (5x - 1)

Solving

3x-9-\left(5x-1\right)....[A]

As

-\left(5x-1\right)

Distribute\:parentheses

=-\left(5x\right)-\left(-1\right)

\mathrm{Apply\:minus-plus\:rules}

-\left(-a\right)=a,\:\:\:-\left(a\right)=-a

=-5x+1

So, equation [A] becomes

3x-9-\left(5x-1\right) = 3x-9-5x+1         ∵ -\left(5x-1\right):\quad -5x+1

3x-9-\left(5x-1\right) = 3x-8-5x

Therefore,

g(x) - f(x) = 3x - 8 - 5x is the answer.

Keywords: combining functions, The difference of g-f

Learn more about composition of function from brainly.com/question/12293021

#learnwithBrainly

8 0
3 years ago
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