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Yanka [14]
3 years ago
6

I need help. Include work plz

Mathematics
1 answer:
Dvinal [7]3 years ago
6 0

Answer:

Set Y has the smaller mean. Mean means average.

Step-by-step explanation:

Set X: 20.45+28+22.25+16.5+13+18.05=118.25 divide that by 6. 118.25/6= 19.71

Set Y: 21+6+5+24+9+40= 95 divide that by 6. 95/6= 15.83

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uranmaximum [27]

Answer:

.2

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7 0
3 years ago
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What is the area of this trapezoid?<br><br> 175 in²<br> 140 in²<br> 129 in²<br> 85 in²
aksik [14]
Area of trapezoid = (B1 + B2)h/2

B1 = 15 in. + 4 in. + 6 in. = 25 in.
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3 years ago
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A motor vehicle has a maximum efficiency of 39 mpg at a cruising speed of 40 mph. The efficiency drops at a rate of 0.1 mpg/mph
svp [43]

Answer:

38 mpg

Step-by-step explanation:

Initial efficiency = 39 mpg

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E_d = 0.1 \frac{mpg}{mph}*\Delta V

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Therefore, the efficiency at 50 mph is:

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5 0
3 years ago
the subway train can hold a 792 people on Tuesday 56941 people rode the subway how many trains could 56941 people how many peopl
zubka84 [21]

Answer:

56,149 would be left over

Step-by-step explanation:

56,941-792=56,149

3 0
3 years ago
a car uses 9 gallons of gasoline to go 162 miles. how many gallons of gasoline will the same car use to travel 216 miles?
Ber [7]

Answer:

12\ gallons

Step-by-step explanation:

<u>Step 1:  Determine the unit rate</u>

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216\ miles * (gallon / 18\ miles)

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Answer:  12\ gallons

8 0
2 years ago
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