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r-ruslan [8.4K]
3 years ago
5

(Essential Question) How do you create equations and use them to solve problems?

Mathematics
1 answer:
scZoUnD [109]3 years ago
5 0

Answer:

Step-by-step explanation:

equations are created to solve for a certain variable. you can use the data given in the word problem to formulate a valid equation that incorporates all important components of the word problem. the variable can be represented as any letter (most commonly x or y) to find a value that is inconsistent or unknown. this is helpful to find a certain thing in the problem, such as the amount of hours needed to earn a certain amount of money.

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Suppose a city with population 100,000 has been growing at a rate of ​8% per year. If this rate​ continues, find the population
Sholpan [36]
188,000-

First, you have to find what 8 percent of 100,000 is. In order to do this, multiply 100,000 by 0.08. You get 8,000.

Then, you multiply 8,000 by 11. You get 88,000.

Now all that’s left to do is add 88,000 to 100,000, and you get 188,000.

Hope that helped.
6 0
3 years ago
How do i find the midpoint of the line segment whose endpoints are (5, 9) and (-3, 7)
Nuetrik [128]

Midpoint ( (x1+x2)/2, (y1+y2)/2)

      ( (5+-3)/2, (9+7)/2)

        (2/2,16/2)

   (1,8)

Answer: (1,8)


4 0
3 years ago
A rectangle has four sides so we double each side and add them to each other:
il63 [147K]

Answer: this many 4

Step-by-step explanation:

2(2x+7)+2(3x+8y)

=4x+14+6x+16y

=10x+16y+14

5 0
3 years ago
The quality assurance department of a chair factory samples daily production to test for the strength of the chairs being produc
Thepotemich [5.8K]
This is one of those statistical follow-up questions and had to look for the options. Since the department of quality assurance is assessing the durability of the chairs being produced, the population that they are testing for quality is ALL THE CHAIRS THEY PRODUCED. Hope this helps.
6 0
3 years ago
Read 2 more answers
What is the value of x for which (8-x)^2=x^2
I am Lyosha [343]

Answer:

x = 4

Step-by-step explanation:

{x}^{2}  =  {(8 - x)}^{2}

=  >  {x}^{2}  =  {x}^{2}  - 16x + 64

=  >  {x}^{2}  -  {x}^{2}  + 16x = 64

=  > 16x = 64

=  > x =  \frac{64}{16}  = 4

5 0
3 years ago
Read 2 more answers
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