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Ber [7]
3 years ago
12

On a test that has a normal distribution, a score of 49 falls three standard deviations below the mean, and a score of 59 falls

two standard deviations above the mean. Determine the mean of this test.
Mathematics
1 answer:
DedPeter [7]3 years ago
6 0

Answer:

Step-by-step explanation:

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Uh what is 70 times 70 and the square route of 30
almond37 [142]

Answer:

4900

Square Root of 30: 5.47722557505- round it up

Step-by-step explanation:

70x70

7x7=49

add the 2 zeros at the end

4900

4 0
3 years ago
Read 2 more answers
Mr. Parker has driven 55 miles of a 300-mile trip. If he is traveling at or below the 70 miles per hour speed limit, how much lo
juin [17]

Answer: Mr. Parker can expect the trip to be at least 3 and a half hours

1 tennis racquet and 5 cans of tennis balls

at least 4 days

Step-by-step explanation:

300 - 55 = 245

3.25 x 5 = 16.25       43.75 + 16.25 = 60

40 / 12 = 3.3333333         So you can only visit 3 days with the daily pass before it cost 40 dollars

8 0
3 years ago
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What is the LCM of 16a^3b and 24ab^2 ? A) 48a^3b^2 B) 96a^3b^2 C)8ab^2 D)2ab^2
Drupady [299]
16a^3b = 2^4a^3b
24ab^2 = 2^3*3ab^2

lcm = 2^4*3*a^3b^2 = 48a^3b^2 so choice A) is right sure 
7 0
3 years ago
A school bought 32 new desks each desk coast 24$ estimate how much the school spent on the new desks
mezya [45]
You would solve this with multiplication. If each desk costs $24 and they bought 32 desks then to find out to total cost of all the desks you would multiply 24x32 
5 0
3 years ago
List 13 meters, 15,000 meters, and 1900 centimeters in order from smallest to largest
Paha777 [63]
1 m = 100 cm

13 m is 13 m.

15 000 m is 15 000 m.

1900 cm = 1900/100 = 19m.

So we can see that 1900 cm which is 19 m is bigger than 13 m.

So from the smallest to the largest,

13m,   1900 cm,   15000 m.

Hope this explains it.
4 0
3 years ago
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