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irakobra [83]
4 years ago
13

How do you apply proportional reasoning

Mathematics
1 answer:
Katena32 [7]4 years ago
6 0
Steps:

1.Introduce
2.Research
3.organize
3.present
4.Evaluate

Explain:

Use ratio language to describe a ratio relationship between to quantities.
Use rate language in the context of a ratio relationships.
Use ratio and rate reasoning to solve real-world and mathematical problems.
Recognize and represent proportional reasoning between quantities.
Use proportional reasoning to solve multi step ratio and percent problems.
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Enter the values for the highlighted variables to complete the steps to find the sum: (see picture)
dangina [55]

Answer:

a = -1

b = -9

c = 9

d = 3

e = 3

f = 2

g = 3/2

Step-by-step explanation:

* Lets explain how to solve the problem

∵ \frac{3x}{2x-6}+\frac{9}{6-2x} are rational fractions

- To add or subtract the rational fractions they must have same

  denominator

∵ 6 - 2x must be written 2x - 6, take (-1) as a common factor from 6 - 2x

∴ - 1(-6 + 2x) = - 1(2x - 6)

∴ \frac{3x}{2x - 6}+\frac{9}{6-2x}=\frac{3x}{2x-6}+\frac{9}{-1(2x-6)}

∴ a = -1

∵ 9 ÷ -1 = -9

∴ =  \frac{3x}{2x-6}+\frac{-9}{2x-6}

∴ b = -9

∵ The denominators of the two fractions are 2x - 6

∴ We can add them by adding their numerator

∵ 3x + -9 = 3x - 9

∴ = \frac{3x-9}{2x-6}

∴ c = 9

∵ 3x - 9 has a common factor 3

∴ 3x - 9 = 3(x - 3)

∵ 2x - 6 has common factor 2

∴ 2x - 6 = 2(x - 3)

∴ = \frac{3(x-3)}{2(x-3)}

∴ d = 3 , e = 3 , f = 2

- The fraction has same factor (x - 3) up and down then we can cancel

  them together

∴ = \frac{3}{2}

∴ g = 3/2

5 0
3 years ago
Why is the inequality sign reversed in the last steps of exercise 2?
Darina [25.2K]
Whenever you multiply or divide an inequality by a negative number, you must flip the inequality sign
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4 years ago
Find the first six terms of the sequence.
sashaice [31]

4, 8, 16, 32, 64, 128

hope this helps :P

3 0
4 years ago
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Help me please!!
Mice21 [21]

Answer:

1.) - 1/2

2.) the slope is 0 which means it is a vertical line

Step-by-step explanation:

In order to solve this you take the formula

y-y / x-x

and put they y value and x value of each equation in

7 0
3 years ago
Find AT AND RC. 80 points
stealth61 [152]

Answer:

AT=6, RC=5

Step-by-step explanation:

Perpendicular bisector intersect at T that is the circumcenter.

since RT is a bisector or AC and AR=5 then RC=5

Circumcenter is equidistant from the vercices of the triangle so

AT≅BT≅CT

but CT is given to be CT=6 so AT=6

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3 years ago
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