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ddd [48]
3 years ago
5

Mrs. Hall records the height of 50 students in a spreadsheet the mean height is 60 inches after looking at the date again she re

alize that the two other observations were allies it must’ve been typos 82 and 86 inches she deleted these two observations what is the new mean rounded to the nearest hundredth

Mathematics
2 answers:
iris [78.8K]3 years ago
6 0
Answer is in a photo. i couldn’t attach it here, good luck!



Vikki [24]3 years ago
6 0

Answer:

67. 33 inches

Step-by-step explanation:

  1. [50(68) - 82 - 86] / 48 = 67.33

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X=17-4y<br> y=x-2<br> answer by substitution
sashaice [31]

Answer:

x=5,y=3

Step-by-step explanation:

the first step is to decide whether you want to substitute y and find x, or substitute x and find y.

(it doesn't matter which way you will choose.If you do the math correctly you will get the correct answer,one way or another).

for example, let's substitute y into the first equation:

x=17-4*(x-2)

so now,we will organize the equation:

x+4x=17+8

5x=25/(÷5)

x=5

now we will substitute x with 5 in the second equation(or the first one,it doesn't matter)in order to find y:

y=5-2

y=3

3 0
3 years ago
50 POINT!!!!!!!! Math question.
tankabanditka [31]

Answer:


Step-by-step explanation:

C(0,0)

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5 0
3 years ago
Read 2 more answers
Alang went to the store to buy some walnuts. The price per pound of the walnuts is $7 per pound and he has a coupon for $2.50 of
MA_775_DIABLO [31]

Answer:

$11.50 is the cost for 2 pounds of walnuts

Expression: 7p - 2.50

Step-by-step explanation:

First, create an expression to represent the cost:

7p will represent the cost, since the walnuts are $7 per pound, and 2.50 needs to be subtracted from this because of the coupon for $2.50 off

So, the expression is 7p - 2.50

Use this expression to find the price for 2 pounds of walnuts:

7p - 2.50

7(2) - 2.50

14 - 2.50

= 11.50

So, the cost with the coupon will be $11.50

3 0
2 years ago
Javier had $305 in his bank account. His bank charges a monthly fee of $7.50.
EastWind [94]

Answer:

$282.50

Step-by-step explanation:

He will be charged $7.50 for 3 months, which is a total of 7.5 * 3 = $22.50.

Subtract this from the amount in his account to find the amount of money he has at the end of the three months:

305 - 22.5 = 282.5

The answer is therefore $282.50.

6 0
2 years ago
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If x=9, what is the value of your in the equation below? y=8x-(1+4x)
Phantasy [73]
Y=72-(1+36)
Y=72-37
Y=35
5 0
2 years ago
Read 2 more answers
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