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denpristay [2]
3 years ago
14

14T1,000 lb+2T1,000 lb

Mathematics
1 answer:
baherus [9]3 years ago
4 0
16T + 2000lbs
= 17T
............,.....
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I need help trying to figure this out I think I have and answer but I want to make sure.
yKpoI14uk [10]

Answer:

34

Step-by-step explanation:

The mean is calculated as

mean = \frac{frequency(midpoint)}{frequency}

let x be the missing frequency, then

Total frequency × midpoint

= (16 × 2) + 7x + (20 × 12) + (10 × 17) = 32 + 7x + 240 + 170 = 442 + 7x

Total frequency = 16 + x + 20 + 10 = 46 + x, thus

\frac{242+7x}{46+x} = 8.5 ( cross- multiply )

442 + 7x = 8.5(46 + x)

442 + 7x = 391 + 8.5x ( subtract 8.5x from both sides )

442 - 1.5x = 391 ( subtract 442 from both sides )

- 1.5x = - 51 ( divide both sides by - 1.5 )

x = 34

The missing frequency is 34

3 0
3 years ago
A distribution has the five-number summary shown below. What is the range of this distribution? 21, 32, 49, 67, 75
777dan777 [17]
The answer is 54.  You subtract the highest value from the least value. 
7 0
3 years ago
Read 2 more answers
Please help its due Tommorow
scZoUnD [109]

Answer:

b) x+6

Step-by-step explanation:

8 0
3 years ago
Seven tenths of what number is 9.1
8090 [49]
.70 * x = 9.1
.70/.70 * x = 9.1/.70
x = 13
7 0
3 years ago
Mrs. Elizondo runs around a 400-meter track at a constant speed of 250 meter per minute. How many minutes does it take Mrs. Eliz
anastassius [24]

Answer: See explanation

Step-by-step explanation:

From the information, we are told that Mrs. Elizondo runs around a 400-meter track. If she runs 4 laps, the total meters will be:

= 400 × 4

= 1600 meters

Since she uses a constant speed of 250 meter per minute. The number if minutes taken to complete the 4 laps will be gotten by dividing 1600 by 250. This will be:

= 1600 / 250

= 6.4 minutes

= 6 minutes + (0.4 × 60 seconds).

= 6 minutes 24 seconds

3 0
3 years ago
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