4 years ago

Correct answers only please!

Mathematics

2 answers:

serious [3.7K]4 years ago

8 0

The answer to this question is 85

adell [148]4 years ago

5 0

The answer will be 85

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Would Ray make more money working 40 hours a week for two weeks or working 32 hours one week and 46 hours the next? Justify your

Anna007 [38]

Answer:

40 hours a week for two weeks

Step-by-step explanation:

If Ray is being paid the same, he would make more money from working 40 hours for two weeks. That would be a total of 80 hours while the 32+46 is only 78 hours.

4 0

3 years ago

What is 0.0000000345 in scientific notation?

spin [16.1K]

Since the number is less that 1, the exponent will be a negative.
3.45X10^-8

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4 years ago

Use the equation m Subscript PQ Baseline equals StartFraction f left parenthesis x 1 plus h right parenthesis minus f left paren

babunello [35]

Answer:

m = 12

Step-by-step explanation:

For f(x) = 2x² you want to find the slope m using ...

m = (f(x+h) -f(x))/h

at x=3.

Filling in the function definition and its arguments, we have ...

m = (2(x+h)² -2x²)/h = (2x² +4hx +2h² -2x²)/h = 4x +2h

The value of this as h goes to zero is ...

m = 4x

At x=3, the slope is ...

m = 4·3 = 12

_____

The attached graph shows a numerical estimate of the slope (f'(3)=12) and the line with that slope through the point P(3, 18). The line certainly appears to be tangent to the curve at that point.