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3 years ago

10

U Pause o Help Jackson has a sprinkler that rotates in a circle with a 6 foot radius. What is the approximate area that Jackson

can expect the sprinkler to cover?

1 answer:

lidiya [134]3 years ago

7 0

12 x pie (I can’t fine the symbol for it tho)

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Suppose Blue Cab Company charges $2.85 a ride up to 0.1 miles and $0.30 for each additional tenth of a mile. If the mean distanc

AnnZ [28]

Answer:

$4.20

Step-by-step explanation:

Calculation for the standard deviation of the fare passengers pay of Blue Cab Company:

T = Total amount of the cab fare

Formula for Standard deviation of T will be:

T = σa+bX= bσX.

To convert the rate to dollars per mile from dollars per tenth of a mile, it will be:

b= 3

Hence,

Standard deviation of T is :

3.00(1.4) = $4.20.

6 0

3 years ago

A systematic relationship between two variables in which a change in one implies a corresponding change in the other is called _

Sedaia [141]

A systematic relationship between two variables in which a change in one implies a corresponding change in the other is called proportional relationship.

Two variables are said to be proportional if an increase in one variable leads to an increase in the other variable and vice versa.

Let us assume that y and x are proportional to each other. Hence:

y ∝ x

y = kx

Where k is the constant of proportionality.

Find out more about proportional relationship at: brainly.com/question/25718473

7 0

2 years ago

Elaine uses 19 connecting cubes to make a model of a house. The house model is in the shape of a rectangle and is one cube high.

Gwar [14]

C or d because there are nineteen cubes with these 19 cubes there are more than 2 ways of making the house

5 0

3 years ago

Read 2 more answers

ANSWER THESE 2 QUESTIONS ASAP PLEASE PLEASE PLEASEEEEEEE!

atroni [7]

Expanded form of 76 is 70+6
expanded form of 18 is 10+8

5 0

3 years ago

From the mid-1960s to the early 1990s, there was a slow but steady decline in SAT scores. For example, take the Verbal SAT. The

daser333 [38]

Answer:

a) 7.68%

b) 3.38%

Step-by-step explanation:

(a) Estimate the percentage of students scoring over 700 in 1967.

The probability that a student scored over 700 in 1967 equals the area under the Normal curve with mean 543 and standard deviation 110 to the right of 700.

In<em> Excel </em> this value is found with the formula

=1-NORMDIST(700,543,110,1)

and in <em>OpenOffice Calc </em>

=1-NORMDIST(700;543;110;1)

<em> (NORMDIST(700;543;110;1) gives the area to the left of 700, so 1-NORMDIST(700;543;110;1) gives the area to the right of 700) </em>

and equals 0.07675

So, the percentage of students scoring over 700 in 1967 was 7.68%

(b) Estimate the percentage of students scoring over 700 in 1994.

The probability that a student scored over 700 in 1994 equals the area under the Normal curve with mean 499 and standard deviation 110 to the right of 700.

In <em>Excel</em> this value is found with the formula

=1-NORMDIST(700,499,110,1)

and in <em>OpenOffice Calc </em>

=1-NORMDIST(700;499;110;1)

and equals 0.03383

So, the percentage of students scoring over 700 in 1994 was 3.38%

5 0

4 years ago