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Mila [183]
3 years ago
13

The SAT mathematics scores in the state of Florida for this year are approximately normally distributed with a mean of 500 and a

standard deviation of 100.
Using the empirical rule, what is the probability that a randomly selected score lies between 500 and 700? Express your answer as a decimal
Mathematics
1 answer:
Radda [10]3 years ago
3 0

Answer:

The correct answer is 47.5%, or 0.475.

Step-by-step explanation:

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Jonas purchased a new car for $18,000. Each year the value of the car depreciates by 40% of its value the previous year. How muc
Jet001 [13]

Answer:

It would be worth $5,040 after 7 years

Step-by-step explanation:

Multiply 40% by 7 and get 280, then turn it into a percent, .280, finally multiply it by $18,000 to get $5,040

4 0
3 years ago
Find f^3(x) for f(x)=4/x^2
vaieri [72.5K]

Answer:

  f³(x) = 64/x⁶

Step-by-step explanation:

  f³(x) = (f(x))³ = (4/x²)³ = 4³/(x²)³

  f³(x) = 64/x⁶

_____

The applicable rules of exponents are ...

  (a/b)^c = (a^c)/(b^c)

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7 0
3 years ago
2. The graph of a certain geometric sequence can be described as a curve increasing from left to right. Which sequence would hav
kozerog [31]

Answer:

0 (-1,2,-4, 8, -16) that should help you

Step-by-step explanation:

8 0
3 years ago
What is the quotient of 2/3 and 5/6
forsale [732]
4/5 is the quotient or the answer
7 0
3 years ago
Jeremy rode for 2.2 miles in the morning and then 11.1 miles in the afternoon. He rode the same distance each day for 9 days. Wh
Elza [17]

Answer:

119.7\ miles

Step-by-step explanation:

step 1

Find the total distance Jeremy rode in one day

2.2+11.1=13.3\ miles

step 2

Find the total distance Jeremy rode in 9 days

Multiply the distance Jeremy rode in one  day by the total days

so

13.3(9)=119.7\ miles

8 0
3 years ago
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