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3 years ago

Find the diameter of the circle with a radius of 1 inch

Mathematics

1 answer:

horsena [70]3 years ago

6 0

key words:

D=Diameter

R=Radius

D= 2r=2x1=2inches

so the diameter of the circle is 2 inches

hope this helps!

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A carnival game has the possibility of scoring 50 points, 75 points, or 150 points per turn. The probability of scoring 50 point

MariettaO [177]

Answer:

The game’s expected value of points earned for a turn is 71.

Step-by-step explanation:

Here we know that:

Points Frequency

50 55

75 32

150 13

Here points earned is a random variable.

We need to find its expected value,

Finding Expected value:

Expected value of a random variable is its mean value. So we will first find the mean value of points earned per turn from the table we are given.

Total number of turns = sum of frequencies

= 55 + 32 + 14 = 100

Total points earned = 50(55) + 75(32) + 150(13)

= 7100

Expected value of points earned for a turn = Mean value of points

= Total points/no. of turns

= 7100/100

= 71

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3 years ago

I will mark you brainliest!!! Identify the exponential function shown in the graph.

Naily [24]

Answer:

Letter B.

Step-by-step explanation:

Look for where the line corsses the Y axis. that will tell you the most about this line and it corsses at 8 so that can be the only one correct.

8 0

3 years ago

A particular fruitâs weights are normally distributed, with a mean of 598 grams and a standard deviation of 6 grams. The heavies

ruslelena [56]

Answer:

The 8% of the fruit weigh more than $x=606.43 \ g$

Step-by-step explanation:

From the question we are told that

The mean is $\mu = 598 \ g$

The standard deviation is $\sigma = 6 \ g$

Generally the 8% is mathematically represented as

$P(X > x) = 0.08$

=> $P(X > x) = P ( \frac{X - \mu}{\sigma }>\frac{x - 598}{6} )=0.08$

$\frac{X -\mu}{\sigma } = Z (The \ standardized \ value\ of \ X )$

$P(X > x) = P ( Z >\frac{x - 598}{6} )=0.08$

From the normal distribution table the critical value corresponding area representing 0.08 towards the right tail of the curve is

$z = 1.405$

$\frac{x- 598}{6} = 1.405$

=> $x=606.43 \ g$

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3 years ago

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Darina [25.2K]

X=2
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3 years ago

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Sindrei [870]

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