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Vedmedyk [2.9K]
2 years ago
13

Simplify the following (-4r^5)(2r^8)

Mathematics
1 answer:
jolli1 [7]2 years ago
8 0
Multiplying a - and a + equals a - , -8r18
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Lilly rents a bike for $15 plus $2 per hour. What algeraic expression represents the situation?
nevsk [136]

Answer:

Solution

Step-by-step explanation:

If im wrong let me know okay!

If im wrong Im sorry Im only 15 and im working here to help

3 0
3 years ago
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Answerrr plzzzzzz ty:)
Angelina_Jolie [31]

Answer:

6,9,12

Step-by-step explanation:

thats the answer they are all multiples of 3, and they are all greater than or equal to 6 and less than or equal to 12

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8 0
3 years ago
Determine whether y varies with x. If so, find the constant of variation and write the function rule.
ira [324]

Answer:  Yes, y does vary directly with x.

Constant of variation = 1/4

The function rule is  y = (1/4)x

=========================================================

Explanation:

Let's assume that y does vary directly with x.

If that's the case, then we have an equation in the form y = kx, where k is the constant of variation.

Solving for k gets us k = y/x

For each row, divide the y value over the x value

  • row one: k = y/x = 14/56 = 0.25
  • row two:  k = y/x = 20/80 = 0.25
  • row three: k = y/x = 22/88 = 0.25

Each row yields the value k = 0.25 and it fully confirms y does vary directly with x.

So y = kx becomes y = 0.25x as the function rule, which is equivalent to y = (1/4)x

6 0
1 year ago
The equation 3x + 2 = 29 is modeled below.
DanielleElmas [232]

Answer:

Subtract 2 from both sides.

Step-by-step explanation:

Remember to do the opposite of PEMDAS. PEMDAS is the order of operation, and stands for:

Parenthesis

Exponents (& Roots)

Multiplication

Division

Addition

Subtraction

> Also, note the equal sign, what you do to one side, you do to the other side of the equation.

First step is to subtract 2 from both sides of the equation:

3x + 2 (-2) = 29 (-2)

3x = 29 - 2

3x = 27

The second step is to divide 3 from both sides of the equation:

(3x)/3 = (27)/3

x = 27/3

x = 9

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7 0
2 years ago
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andriy [413]

Answer:

The person will feel dizzy.

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3 years ago
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