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aleksandr82 [10.1K]
3 years ago
6

A manager samples the receipts of every fifth person who goes through the line. Out of 50 people, 5 had a mispriced item. If 1,0

00 people go to this store each day, how many people would you expect to have a mispriced item?
You would expect there to be people per day who have a mispriced item.
Mathematics
1 answer:
tiny-mole [99]3 years ago
6 0

Answer:

100

Step-by-step explanation:

1000/50 = 20

5*20 = 100

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Explain the special pattern for sketching a parabola
Lady bird [3.3K]

Answer:

the parabola can be written as:

f(x) = y = a*x^2 + b*x + c

first step.

find the vertex at:

x  = -b/2a

the vertex will be the point (-b/2a, f(-b/2a))

now, if a is positive, then the arms of the parabola go up, if a is negative, the arms of the parabola go down.

The next step is to see if we have real roots by using the Bhaskara's equation:

x =  \frac{-b +-\sqrt{b^2 -4ac} }{2a}

Now, draw the vertex, after that draw the values of the roots in the x-axis, and now conect the points with the general draw of the parabola.

If you do not have any real roots, you can feed into the parabola some different values of x around the vertex

for example at:

x =  (-b/2a) + 1 and x =  (-b/2a) - 1

those two values should give the same value of y, and now you can connect the vertex with those two points.

If you want a more exact drawing, you can add more points (like x =  (-b/2a) + 3 and x =  (-b/2a) - 3) and connect them, as more points you add, the best sketch you will have.

8 0
2 years ago
Solve for all values of x by factoring.<br> x^2-11x+10=0
noname [10]

Answer:

x= 10, x=1

Step-by-step explanation:

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3 years ago
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iogann1982 [59]

Answer:

Volume= 216 cubic yards

Surface area: 276 square yards

Step-by-step explanation:

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Find surface area:

SA= 2 x (front/back area) + 2 x (right/left area) and 2 x ( bottom/top area)

Front and Back Area:

A= l x w

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Right/ left Area:

4 x 3

= 12 square yards

Top/ Bottom Area:

18 x 4

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54^2+12^2+72^2

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=276 square yards

8 0
3 years ago
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I will give BRAINIEST to the next person who answers this!!
sertanlavr [38]

Answer:

<u>Challenge #1:</u>

<u>Different examples:</u>

2x+1=3x+2

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<u>Challenge #2:</u>

<u>Different examples:</u>

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Sedaia [141]
I think D is the correct answer.
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