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2 years ago

Need help asap please

Mathematics

1 answer:

Bezzdna [24]2 years ago

7 0

Answer:

4.77*10^5<7.47*10^5

Step-by-step explanation:

4.77*10^5=477000

7.47*10^5=747000

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Eloisa determined that the correlation coefficient for a set of data was -0.7. What percent of the total variation in the y-valu

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2 years ago

The average age of all students at a certain college is 22 years and the standard deviation is 2 years. What is the probability

Marianna [84]

Answer:

The probability that the average age of a randomly selected sample of 100 students will be less than 21.8 years is 0.159

Step-by-step explanation:

According to the given data we have the following:

mean = μ= 22

standard deviation = σ = 2

n = 100

μx = 22

σx=σ/√n=2/√100=0.2

Therefore, P( x < 21.8)=P(x-μx)/σx<(21.8-22)/0.2

=P(z<-1)

= 0.159

The probability that the average age of a randomly selected sample of 100 students will be less than 21.8 years is 0.159

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3 years ago

The distance that Scott walks is a function of the time he spends walking. Scott can walk 1 half

MaRussiya [10]

Step-by-step explanation:

It is given that,

The distance that Scott walks is a function of the time he spends walking. Scott can walk 1 half mile every 8 minutes.

Let y is the distance (in miles) and x is time (in minutes).

$\dfrac{0.5}{8}=\dfrac{y}{x}\\\\\dfrac{x}{y}=16\\\\y=\dfrac{x}{16}$

The attached graph predicts the shape of the function. Hence, this is the required solution.

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2 years ago

Beth Rides a Train every winter for 236 miles for 4 hours. If she rides 236 miles for 4 hours, how many miles does she travel fo

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59 miles here we use division

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3 years ago

Read 2 more answers

How do you solve this??? Someone help. We just started learning Pythagoras Theorems..

ira [324]

Answer:

It means length of the hypotenuse is equal to the sum of squares of the lengths of other two sides of the right-angled triangle.

Step-by-step explanation:

to solve this...we think that distance from ben to church is x...now a triangle is formed.

length of the hypotenuse is 13cm

${13}^{2} = {8}^{2} + {x}^{2}$

$169 = 64 + {x}^{2}$

$169 - 64 = {x}^{2}$

$105 = {x}^{2}$

$\sqrt{105} = x$

$x = 10.246950766$

If you have any question...please comment me...If I was helpful..mark me as brainliest

8 0

2 years ago