A researcher read a 12 page article in 30 mins. On average how much time did the researcher spend reading each page?

Mathematics

1 answer:

Ksenya-84 [330]3 years ago

4 0

Answer:

2.5 min

Step-by-step explanation:

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Suppose in a representative sample of adult Americans ages 26 to 32 years, 27% indicated that they owned a fitness band that kep

DanielleElmas [232]

Answer: Yes, we have.

Step-by-step explanation:

Going by the details provided, Probability of success of choosing a citizen with a fitness band 27%

The probability function for expected value shows the Formula to know with sufficient dependence what proportion of the sampled people will have the fitness band.

Since 27% of 500 = 135.

and 135 is more than a quarter of 500(125), then we have enough Evidence that more than a quarter of this age group own a fitness band.

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3 years ago

Together, Kyle and Tyler traveled 425 miles to the beach. If Kyle traveled 240 miles, how far did Tyler travel?

Papessa [141]

Answer:

185 miles

Step-by-step explanation:

We are given that

Both Kyle and Tyler traveled total distance to the beach=425 miles

Kyle traveled distance to the beach=240 miles.

We have to find the distance traveled by Tyler.

To find the distance traveled by Tyler we will subtract distance traveled by Kyle form total distance traveled by together Kyle and Tyler.

Let x be the distance traveled by Tyler.

According to question

$x+240=425$

$x=425-240=185$ miles

Hence, Tyler travels distance to the beach=185 miles

4 0

3 years ago

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A parking garage charges $5 for the first hour of parking and $1.75 for each additional hour.If y represents the total cost and

jonny [76]

5 no mater what on first hour so, then on the second hour the 1.75 rate kicks in so therefor when x=1, then y=5 so y=5+0 times 1.75
so y=5+1.75 times (x-1)
the naswe ris
y=1.75(x-1)+5 or d

7 0

3 years ago

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If f(x)=x^4+3x^3-x^2+6, find f(-3).

docker41 [41]

Answer:

f(-3) = -3

Step-by-step explanation:

Step 1: f(x) means "f of x" and f(-3) means "f of -3", so you have to replace all the "x" letters in the function with the value -3.

$f(x)=x^4+3x^3-x^2+6\\f(-3)=(-3)^4+3(-3)^3-(-3)^2+6$