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AlladinOne [14]
3 years ago
12

What is f(d) = 7d2 + 18d + 8

Mathematics
1 answer:
aivan3 [116]3 years ago
3 0

Answer:0.571

Step-by-step explanation:

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You want to estimate the mean amount of time college students spend on the Internet each month. How many college students must y
KonstantinChe [14]

Answer:

752.95

Step-by-step explanation:

Data provided in the question

The standard deviation of population = 210

The Margin of error = 15

The confidence level is 75%, so the z value is 1.96

Now the required sample size is

= 1.96^2\times \frac{210^2}{15^2}

= 752.95

Hence, the number of college students spends on the internet each month is 752.95

Simply we considered the above values so that the n could come

8 0
3 years ago
A rectangular field is 240m wide. The width of the field is 3/8 the length. What is the area of the field in square kilometers r
andrey2020 [161]
This means you should do 240*3/8 which is 90. so 90 times 240=21600
the answer is 216000km^2
3 0
4 years ago
Read 2 more answers
Geometry // help with this pleaseeee ASAP
babunello [35]

Answer:

A:SPA =CFA by AA

Step-by-step explanation:

Hopefully this helps

6 0
3 years ago
PLEASE HELP NOW NOW NOW PLEASE PLEASE HELP
bija089 [108]

Answer:

$46.00

Step-by-step explanation:

$46.00 - $20 + $5 = $21

7 0
3 years ago
A rectangular dog park was built with the dimensions shown. The fencing that completely surrounds the park cost $12 a yard. Each
leonid [27]

Answer:

sod- 1662.6

fencing- 807.6

all- 2470.2

Step-by-step explanation:

sod-

25.5 * 8.25 = 207.825

207.825*8= 1662.6

fencing-

8.25+8.25+25.5+25.5= 67.3

67.3*12= 807.6

fencing + sod

1662.6 + 807.6= 2470.2

7 0
3 years ago
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