3 years ago

PLSSSSSSS HELP ME WITH THESE FOUR QUESTIONS (•‿•)

Mathematics

2 answers:

LenaWriter [7]3 years ago

5 0

Answer:

1. C

2. A

3. C

4. A

Step-by-step explanation:

ANTONII [103]3 years ago

4 0

Q1- Right 3 Down 9
Q2- Left 9 Down 9
Q3- Up 6
Q4- Up 18

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Write 2.31*10-^3 using scientific notation

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3 years ago

The Ray family went out to dinner The price of the meal was $38.95 The sales tax was 7% of the price of the meal. The tip was 18

Andrews [41]

Answer:

$49.18

Step-by-step explanation:

Dinner cost $38.95 before tax and tip are included.

Directions say to ADD 7% tip first so,

38.95 multiplied by 7%= 2.7265, Round up to $2.73

ADD $38.95 and $2.73 tax= $41.68

Now, multiply $41.68 by 18% to find the tip amount

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3 years ago

The cost C, in dollars, to have medical records transcribed is a function of time, t in hours. A physician's group spends C(t) =

Contact [7]

Answer:

B. $39550

Step-by-step explanation:

The expression for the function is not well-formatted, find the correct format in the solution bellow

Step one:

given data

We are told that the function of the cost is

$C(t) = 0.04t^3- 0.1t^2 + 5.5t$

instantaneous rate c(t) is the value obtained when we plug in 100 for t in the function above

substituting we have

$C(t) = 0.04(100)^3- 0.1(100)^2 + 5.5(100)\\\\\C(t) = 0.04*1000000- 0.1*10000 + 5.5*100\\\\C(t) = 40000-1000+550\\\\C(t) = 39550$

$39550

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3 years ago