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Tema [17]
3 years ago
13

The dot plots show the number of customers per hour at four salons. Twenty days were randomly selected from the calendar year to

obtain the data sets. Arrange the four data sets in order from the one with the most spread out data values to the one with the least spread out data values.
will mark brainliest :)

Mathematics
2 answers:
german3 years ago
9 0

Answer:

the order it goes in is 3,1,4,2  i just did it and i got it correct

satela [25.4K]3 years ago
5 0

salon 1 is at the last 3 is 2, 2 is 1 4 is 4

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1627187 to nearest ten
Orlov [11]
1627190 there's your answer.
3 0
3 years ago
Read 2 more answers
A hiker starting at point P on a straight road wants to reach a forest cabin that is 2 km from a point Q, 3 km down the road fro
pantera1 [17]

Answer:

2.19 km

Step-by-step explanation:

If x is the distance she walks down the road before turning, then the total time is:

t = x/8 + √((3 − x)² + 2²) / 3

t = x/8 + √(9 − 6x + x² + 4) / 3

24t = 3x + 8√(13 − 6x + x²)

24t = 3x + 8(13 − 6x + x²)^½

Take derivative of both sides with respect to x.

24 dt/dx = 3 + 4(13 − 6x + x²)^-½ (-6 + 2x)

When t is a minimum, dt/dx = 0.

0 = 3 + 4(13 − 6x + x²)^-½ (-6 + 2x)

-3 = 4(13 − 6x + x²)^-½ (-6 + 2x)

3 / (6 − 2x) = 4(13 − 6x + x²)^-½

3 / (24 − 8x) = (13 − 6x + x²)^-½

(24 − 8x) / 3 = (13 − 6x + x²)^½

(24 − 8x)² / 9 = 13 − 6x + x²

576 − 384x + 64x² = 117 − 54x + 9x²

459 − 330x + 55x² = 0

Solve with quadratic formula.

x = [ 330 ± √((-330)² − 4(55)(459)) ] / 2(55)

x = (330 ± √7920) / 110

x = 2.19 or 3.81

Since 0 < x < 3, x = 2.19.

7 0
3 years ago
PLEASE HELP I WILL MARK BRAINLIEST
krok68 [10]

Answer:

Option 2

Step-by-step explanation:

Because it shows that it is going up in a half not a whole.

3 0
3 years ago
9y+11z+7y−4z
slava [35]
Answer is <span>16y + 7z

</span><span><span><span><span>9y</span>+<span>11z</span></span>+<span>7y</span></span>−<span>4z

</span></span><span>=<span><span><span><span><span>9y</span>+<span>11z</span></span>+<span>7y</span></span>+</span>−<span>4z

</span></span></span>Combine Like Terms:

<span>=<span><span><span><span>9y</span>+<span>11z</span></span>+<span>7y</span></span>+<span>−<span>4z

</span></span></span></span><span>=<span><span>(<span><span>9y</span>+<span>7y</span></span>)</span>+<span>(<span><span>11z</span>+<span>−<span>4z</span></span></span>)

</span></span></span><span>=<span><span>16y</span>+<span>7z</span></span></span><span>
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7 0
3 years ago
Can you please answer these 2 questions? Thx
tamaranim1 [39]
What exactly is the question I need to answer
5 0
3 years ago
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