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goldenfox [79]
3 years ago
10

How to find standard deviation of a sample?

Mathematics
1 answer:
Karolina [17]3 years ago
5 0
U have to multiply the GCF.

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Hector has a floor plan showing his new house. On the floor plan, his bedroom is 3 inches wide and 3 1 2 inches long. The scale
romanna [79]
     Hector has a floor plan showing his new house. On the floor plan, his bedroom is 3 inches wide and 3 1 2 inches long. The scale of the floor plan is 1 4 inch = 1 foot. What is the actual length of Hector’s room? A) 13 feet B) 14 feet C) 15 feet D) 16 feet <span> 1/4 inch = 1 foot
1 inch = 4 feet
3.5 inches = 3.5 * 4 feet = (b) 14 feet.</span>
8 0
3 years ago
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Find an equivalent ratio of 3:7 by filling the missing number.<br> 3:7 = 12:<br> Enter the answer
Katena32 [7]
28
3/7 = 12/x
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8 0
3 years ago
Gracia and Jim were shooting free throws. Gracia made 4 out of 15 free throws. Jim missed 6 out of 16 free throws. Who made the
Montano1993 [528]
If Jim missed 6 out of 16 free throws, then he made 10/16 free throws. At the same time Gracia made 4/15 free rows. The common denominator of those fractions (if we simplify 10/16 to 5/8) is 120, so:

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We can clearly see that Jim was more than two times better than Garcia.
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3 years ago
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Find the solutions to the equation below.
Artist 52 [7]

Answer:

A and B.

Step-by-step explanation:

4x^2 - 4x - 3 = 0    

4x^2 + 2x - 6x - 3 = 0

2x(2x + 1) - 3(2x + 1) = 0

(2x - 3)(2x + 1) = 0

x = 3/2, -1/2.

8 0
2 years ago
Find the number of kilowatt-hours of energy used when a 110-watt light bulb burns for 215 hours.
fenix001 [56]
We determine the kilowatt-hour by multiplying the energy in kilowatt and the time in hours. We do as follows:

kWh = 110 W ( 1 kW / 1000 W ) (215 hrs )
kWh = 23.65 kWh

Hope this answers the question. Have a nice day.
5 0
3 years ago
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