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3 years ago

Find the average of the following salaries: $38,750.00, $42,500.00, $44,500.00

1 answer:

4 0

To find the average you add all three numbers together and then divide by three since you added three.
$38,750.00 + $42,500.00 + $42,500.00 = $123,750.00
$123,750.00 ÷ 3 = $41,250
So your answer is $41,250

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The next number in the sequence -5,-2,4,13 is 25. Is this conjecture ruse or false ?

JulsSmile [24]

The next number should be 22. So this is false

3 0

3 years ago

A total of 4 buses carrying 148 students from the same school arrive at a football stadium. The buses carry, respectively, 40, 3

Mandarinka [93]

Answer:

76.2838

Step-by-step explanation:

E[X+Y] = E[X] + E[Y]

E[X] is the average of X or expectancy of X

E[Y] is the average or expectancy f Y

E[X] = 40P(student is in bus 1)+33P(student is in bus 2)+25P(student is in bus 3)+50P(student is in bus 4)=

40(40/148) + 33(33/148) + 25(25/148) + 50(50/148) = 39.2838

E[Y] = (number of students)/(number of drivers) = 148/4 = 37

So E[X+Y] = 39.2838 + 37 = 76.2838

6 0

4 years ago

Harry borrows $2,500 to purchase furniture for his new

slava [35]

Answer:

The answer is C

Step-by-step explanation:

4 0

3 years ago

. Anna was thinking of a number. She told Bill that if he squared her number followed by subtracting 11 times her, and adding 4,

Snowcat [4.5K]

Answer:

Anna's number could be 5 and it could be 6.

Step-by-step explanation:

Let Anna's number be represented by x.

If Bill squared her number followed by subtracting 11 times her number, and adding 4, then he would get -26.

This implies that:

$x^2 - 11x + 4 = -26$

This is a quadratic equation and we can solve for x by factorization.

$x^2 - 11x + 4 = -26\\\\=> x^2 - 11x + 4 + 26 = 0\\\\x^2 - 11x + 30 = 0\\\\x^2 -6x-5x + 30 = 0\\\\x(x - 6) - 5(x - 6) = 0\\\\(x - 5) (x - 6) = 0\\\\$

=> x = 5 and x = 6

Anna's number could be 5 and it could be 6.

4 0

3 years ago

Could anyone find this?

LiRa [457]

A and B are correct for this one!!

4 0

3 years ago