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3 years ago

Need help asap please

Mathematics

1 answer:

Ede4ka [16]3 years ago

7 0

Answer:

The circumference is 14 and the area of this circle would be close to 153.94.

Step-by-step explanation:

The circumference of a circle is the measure of it from one side to another. In this case it is 14.

The radius on the other hand is half of the circumference and only extends from the middle of the circle out. Half of 14 is 7.

In order to find the area, you will need the formula.

A = $\pi r^2$

Plug in the numbers:

A = $\pi$ ( $7^2$ )

You solve and get approximately 153.94

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The weights of newborn baby boys born at a local hospital are believed to have a normal distribution with a mean weight of 4016

hodyreva [135]

Answer:

Required Probability = 0.97062

Step-by-step explanation:

We are given that the weights of newborn baby boys born at a local hospital are believed to have a normal distribution with a mean weight of 4016 grams and a standard deviation of 532 grams.

Let X = weight of the newborn baby, so X ~ N( $\mu=4016 , \sigma^{2} = 532^{2}$ )

The standard normal z distribution is given by;

Z = $\frac{X-\mu}{\sigma}$ ~ N(0,1)

Now, probability that the weight will be less than 5026 grams = P(X < 5026)

P(X < 5026) = P( $\frac{X-\mu}{\sigma}$ < $\frac{5026-4016}{532}$ ) = P(Z < 1.89) = 0.97062

Therefore, the probability that the weight will be less than 5026 grams is 0.97062 .

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3 years ago

A price for pineapples is $5 for two pineapples the price for pineapple is $8 for four pineapples which store is offering the lo

Butoxors [25]

Answer:

The first store

Step-by-step explanation:

Given data

Let us find the unit cost on each sale

A price for pineapples is $5 for two pineapples

Unit cost per pineapple

=5/2

=$2.5 per pineapple

price for pineapple is $8 for four pineapples

Unit cost

=8/4

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Hence the first store offers the lowest price per pineapple $2.5

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3 years ago

(a(1) = 5/3 (a(n) = a(n − 1).(-9) What is the 3rd term in the sequence?

nataly862011 [7]

Answer:-30

Step-by-step explanation:

Third term=a3

an=a(n-1) x (-9)

a3=5/3 x (3-1) x (-9)

a3=5/3 x 2 x -9

a3=(5x2x-9)/3

a3=-90/3

a3=-30

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Answer:

5/3

Step-by-step explanation:

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3 years ago

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maxonik [38]

Hope this helps you!

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3 years ago

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