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NemiM [27]
2 years ago
12

Emerson purchased a game that was on sale for 18% off. The sales tax in his county is 8%. Let y represent the original price of

the game. Write an expression that can be used to determine the final cost of the game.
Mathematics
1 answer:
kolezko [41]2 years ago
3 0

Answer:

(y-18%) + (y+8%)

Step-by-step explanation:

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Person 1 writes internal operating procedures 3 times faster than Person 2. Most of the procedures took 30 minutes each to creat
ad-work [718]

Person 1 takes 3 hour 10 minutes to complete 9 procedures

<em><u>Solution:</u></em>

From given question,

Person 2 takes 30 minutes per procedure

Person 1 writes internal operating procedures 3 times faster than Person 2

So we get, Person 1 takes 3 times faster than Person 2

Person 1 takes 10 minutes per procedure

But two of the procedures for Person 1 took an hour each

So person 1 takes 60 minutes each for two of procedures ( since 1 hour = 60 minutes )

<em><u>Calculate how long it took Person 1 to complete 9 procedures:</u></em>

So for first 7 procedures person 1 would take 10 minutes per procedure and for last two procedures person 1 would take 60 minutes per procedure

time $=7$ procedures $\times \frac{10 \text { minutes }}{1 \text { procedure }}+2$ procedure $\times \frac{60 \text { minutes }}{1 \text { procedure }}$

time=70 minutes +120minutes\\\\time=190minutes

We know that,

1 hour = 60 minutes

Therefore,

190 minutes = 60 minutes + 60 minutes + 60 minutes + 10 minutes

190 minutes = 1 hour + 1 hour + 1 hour + 10 minutes = 3 hour 10 minutes

Therefore Person 1 takes 3 hour 10 minutes to complete 9 procedures

7 0
3 years ago
Which of the four graphs has the greatest standard deviation? please help me ​
Norma-Jean [14]

Answer:

  • Standard deviation is how far away the values are from the mean.
  • All of your graphs have normal distribution, meaning the mean is in the center.

<em>The more spread out your graph is, the greater the standard deviation.</em>

So the option with the most spread out graph, which I think is A, can't see very clear.

3 0
3 years ago
write the slope-intercept form for the equation of the line described through (4,-5) and parallel to y=--5/4x-4
Tems11 [23]

Answer:

y = -5x/4 + 0

Step-by-step explanation:

Find the slope

y = -5/4x - 4

Slope is the coefficient of x

Slope m = -5/4

Substitute m into point slope form equation

y - y1 = m(x - x1)

y - y1 = -5/4( x - x1)

Substitute the point into the equation

( 4 , -5)

x1 = 4

y1 = -5

y - y1 = -5/4( x - x1)

y - (-5) = -5/4( x - 4)

y + 5 = -5/4(x - 4)

Using a slope intercept form equation

y = mx + c

y - intercept point y

m - slope

x - intercept point x

c - intercept

open the bracket with -5/4

y + 5 = -5(x - 4)/4

y + 5 = (-5x + 20)/4

y = (-5x + 20)/4 - 5

LCM = 4

y =( -5x + 20 - 20)/4

y = ( -5x + 0)/4

Rearrange in

y = mx + c

y = -5x/ 4 + 0/4

y = -5x/4 + 0

The equation of the line is

y = -5x/4 + 0

3 0
3 years ago
Two angles of a triangle measure 27 degrees and 17 degrees what is the measure of the third angle?
MrRa [10]

Answer:

15

Step-by-step explanation:

NICKI MINAJ IS THE QUUEN OF RAP.

5 0
3 years ago
A new coat cost $180. The sales taxes is 8% how much is the sales taxes
saveliy_v [14]

Answer:

14.4

Step-by-step explanation:

Change 8% to a decimal which is 0.08 and then multiply 180 × 0.08 then you should get 14.4 Hope this Helps

4 0
3 years ago
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