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Oduvanchick [21]
3 years ago
11

1. Determine the domain and range of the quadratic function shown in the graph and represent the domain

Mathematics
1 answer:
Paha777 [63]3 years ago
8 0
10 daddy chipllllllhsjsjsj
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Extra Points! Solve the equation .
hodyreva [135]

Answer:

  r = -0.1125

Step-by-step explanation:

It works well to subtract 0.5 and convert the percentage to a decimal. You can find the sum by hand or using a calculator.

  r = -0.5 +0.0025 -0.125 +0.51

  r = -0.1125

_____

<em>Comment on the use of a calculator</em>

Many calculators assume that a percentage is to be multiplied by something. If you type this expression into the Google calculator, it will take the % symbol to be an indicator that modulo arithmetic is desired. (It will compute .25 mod -.125 = 0.) So, you need to be aware of how your calculator handles "%". It may be best to do the conversion to decimal before you present the problem to a calculator.

3 0
3 years ago
2. Jack and Tim are racing remote-controlled cars. Jack's car travels 3.5 feet per
gregori [183]

D. 3.55s - 10 < 5.25s

7 0
3 years ago
Which is a reasonable estimate of the constant of variation?
Gekata [30.6K]

Answer: B 0.5 kWh per day

Step-by-step explanation:

Since the graph represents the function where electricity usage in kilowatts per hour of a clock radio varies directly with the number of days it is plugged into the wall current

The constant of variations will be the gradient ( slope ) of the graph.

Gradient = (Y2 - Y1)/(X2 - X1)

Where X1 = 2, X2 = 6, Y1 = 0.5, Y2 = 1.5

Substitute all the values into the formula

Gradient = (1.5 - 0.5)/( 6 - 4 )

Gradient = 1/2

Gradient = 0.5.

Therefore, a reasonable estimate of the constant of variation is 0.5 kWh per day

6 0
3 years ago
Express as a trinomial (2x-5) (3x-8)
Furkat [3]

Answer:

6x^2 -31x +40

Step-by-step explanation:

2x * 3x + 2x * - 8 + -5 * 3x -5 * -8  Distributive property

6x^2 -16x -15x + 40  Math

6x^2 -31x +40 Answer

4 0
4 years ago
Simplify the radical below<br> 3√x^18
JulijaS [17]

The radical is 3sqrt(x^18)

18/2=9

so, the radical is

3x^9

5 0
2 years ago
Read 2 more answers
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