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Reika [66]
3 years ago
8

Please help me asap? will mark brainliest to the best answer :))

Mathematics
2 answers:
DIA [1.3K]3 years ago
8 0
For every x value, y=the squares value of said number. The equation of said values is y=x^2. The value for plunging in 150 for x=470, and f(150) represents the total cost of renting the boat for 150 hours.
goldfiish [28.3K]3 years ago
4 0

Part A: Does the table represent y as a function of x? Justify your answer.

Yes, this table does represent y as a function of x. No x-value appears more than once, and in each case, there is exactly ONE associated y-value. Were there more than one associated y-value, the table would not represent a function.

****************

f(x) = 20 + 3x

What is the value of f(150), and what does f(150) represent?

Substitute 150 for x (in two instances) in the given function:

f(150) = 20 + 3(150) = 20 + 450 = 470. This is the value of the function when the input value (x) is 150 units.

f(150) is functional notation represents the value (y-value) of the function when the input (x-value) is 150 units.

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How do you write 89,000 in scientific notation
user100 [1]

Answer:

8.9 × 10^{4}

Step-by-step explanation:

Calculating scientific notation for a positive integer is simple, as it always follows this notation: a x 10b.

Follow the steps below to see how 89,000 is written in scientific notation.

Step 1

To find a, take the number and move a decimal place to the right one position.

Original Number: 89,000

New Number: 8.9000

Step 2

Now, to find b, count how many places to the right of the decimal.

New Number: 8 . 9 0 0 0

Decimal Count: 1 2 3 4

There are 4 places to the right of the decimal place.

Step 3

Building upon what we know above, we can now reconstruct the number into scientific notation.

Remember, the notation is: a x 10b

a = 8.9 (Please notice any zeroes on the end have been removed)

b = 4

Now the whole thing:

8.9 x 10^{4}

Step 4

Check your work:

10^{4} = 10,000 x 8.9 = 89,000

5 0
4 years ago
Giving Brainliest!! 1.The number of new boats sold at a boat dealership in a given week (1 point)
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1. is Quantitative/continuous. (C)
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