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dimulka [17.4K]
3 years ago
10

Which pair of expressions are equivalent?

Mathematics
2 answers:
mixas84 [53]3 years ago
7 0

Answer:

D: x + y and x -- y + 2y

Step-by-step explanation:

The pair of expressions in the option D are equivalent. Equivalent expressions are those algebric expressions that will help you obtain the same results, even though they look different. (you can get the same results, independently of the number used in the place of the variables.)

x - y + 2y= x + y

- y + 2 y = + 1 y = + y

x + y; x + y

g100num [7]3 years ago
4 0
D is equivalent
x-y+2y=x+y
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Ok i will try to answer but i really dont have that much of a clue right now

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3 years ago
write the following integers in ascending order (smallest to biggest).1._5,2,1,_8 2. _4,_3,_5,2 3._10,_15,-7​
Bond [772]

Answer:

1.1,2,5,8

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Step-by-step explanation:

hope help

7 0
3 years ago
The table shows three values of x and their corresponding values of f (x) for a linear function f, such that f (r) = 0 and f (0)
Rus_ich [418]

Using a linear function, it is found that the product rs is rs = 81.

<h3>What is a linear function?</h3>

A linear function is modeled by:

y = mx + b

In which:

  • m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.
  • b is the y-intercept, which is the value of y when x = 0, and can also be interpreted as the initial value of the function.

In this problem, when x changes by 68(from -64 to 68), y changes by -16(from 12 to -4), hence the slope is given by:

m = -16/64 = -0.25.

Hence:

y = -0.25x + b.

When x = 34, y = -4, hence this is used to find b.

-4 = -0.25(34) + b

b = 4.5.

Hence the function is:

y = -0.25x + 4.5.

f(r) = 0, hence:

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x = 18

r = 18.

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Then the value of the product is:

rs = 18 x 4.5 = 81.

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7 0
1 year ago
BRAINLIEST TO WHOEVER ANSWERS!!
tiny-mole [99]

Answer:

y = 10 + 2.50h

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first the equation is written as such because she pays $10 no matter how many hours she rides. She also pays 2.50 for each hour so use h as the variable to define number of hours she rides the bike.

since equation is y = 10 +2.50h

and h = 6 hours, substitute and find the total cost

y = 10 + 2.50(6)

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= $25

6 0
2 years ago
2. Find the value of x in the triangle. Round your answer to the nearest tenth of a degree.
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The value of x in the triangle is 61.9°.
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