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Sati [7]
3 years ago
15

Jennifer and carmen have the same amount of money to spend on carnival tickets Jennifer buys 4 tickets and has 8.40 left carmen

buys 7 tickets and has 7.15 left how much does each ticket cost round to the nearest cent
Mathematics
1 answer:
Sliva [168]3 years ago
3 0
Do the following:

$8.40-$7.15=$1.25
Then divide 1.25 by the difference of tickets which is 3
1.25/3=0.42 (that's rounded to nearest cent)

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The manufacturing of a ball bearing is normally distributed with a mean diameter of 22 millimeters and a standard deviation of .
Misha Larkins [42]

Answer:

0.1507 or 15.07%.

Step-by-step explanation:

We have been given that the manufacturing of a ball bearing is normally distributed with a mean diameter of 22 millimeters and a standard deviation of .016 millimeters. To be acceptable the diameter needs to be between 21.97 and 22.03 millimeters.

First of all, we will find z-scores for data points using z-score formula.

z=\frac{x-\mu}{\sigma}, where,

z = z-score,

x = Sample score,

\mu = Mean,

\sigma = Standard deviation.

z=\frac{21.97-22}{0.016}

z=\frac{-0.03}{0.016}

z=-0.1875

Let us find z-score of data point 22.03.

z=\frac{22.03-22}{0.016}

z=\frac{0.03}{0.016}

z=0.1875

Using probability formula P(a, we will get:

P(-0.1875

P(-0.1875  

P(-0.1875

Therefore, the probability that a randomly selected ball bearing will be acceptable is 0.1507 or 15.07%.

6 0
3 years ago
Given the formula,v= 4.5 + at,find the value of v when a=1.6 and t=3.5.​
jarptica [38.1K]

Answer:

v=10.1

Step-by-step explanation:

v= 4.5 + at  -------> equation 1

given

a=1.6

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so we will plug in the value in equation 1

v = 4.5 + (1.6 x 3.5)

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7 0
2 years ago
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storchak [24]

9514 1404 393

Answer:

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Step-by-step explanation:

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The value added to the y-coordinate is the translation up. Here, it is +3, so the translation is 3 units up.

The rule effects a translation 4 units left and 3 units up.

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3 years ago
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fomenos

Answer:

A

Step-by-step explanation:

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Paul [167]

Answer:

They're both parabolas.

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Step-by-step explanation:

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I also saw the terms "concave up" and "concave down".

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