MATHEMATICS MIDDLE SCHOOL

Find the median of the annual salaries.$32,612 $39,367 $29,198 $34,878 $28,461 $35,734

A.
$33,914

B.
$33,745

C.
$34,878

D.
$33,375

Answers

Answer 1
Answer:

Answer: B

Step-by-step explanation: When the number of observations is odd the formula is:


$ x_m = x_\frac{n+1}{2}$



When the number of observations is even the formula is:


$ x_m = \frac{x_\frac{n}{2}+x_\frac{n+2}{2}}{2}$

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Y=-3x+24x-15 in vertex form

Answers

Answer: (4,-38) i think
Y = a(x-h)^2+k
First divide factor out -3 so Y = -3(x^2-8x+5)
Then complete the square:
Y = -3(x^2-8x+16+5-16)
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What is -67=d+-18?i dont understand

Answers

-67 = d + -18   Add 18 to both sides
-49 = d            Switch the sides to make it easier to read
   d = -49

"Suppose the leftmost digits of 2 numbers are 8 and 3. Can you tell which number is greater? Explain."

Answers

No, without further information you can't tell which number is greater. This is because there could be any amount of other digits to the right, which changes the value of the leftmost digit depending on the number it is a part of. Hope this helps! :)

2x + (3 - x) how do I do this

Answers

okay so you would do it like this

2x + (3 - x)

2x + 3 - x

x + 3

the answer would be x + 3


hope this helps!

Following PEMDAS, the parentheses comes first. Essentially, (3 - x) is times 1, which removes the parentheses. So 2x + 3 - x. Subtract the x first. This leaves x + 3.

A cheetah can cover 50 yards in 5⁄2 seconds. How long will it take a cheetah at the same speed run 80 yards

Answers

(2.5)/(50) = 0.05 seconds (1 yard every 0.05 second)

0.05 x 80 = 4

It'll take the cheetah 4 seconds to run 80 yards
no of yards covered in 1 sec is 50*2/5 = 20 yards
no of sec.taken to complete 80 yards is 80/20 = 4 seconds

I'd d = rat and if r = 60 and t = 4, what does d equal?

Answers

d = rat its so simplr
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