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3 years ago

HI I NEED HELP ASAP!! I NEED HELP ON #10!! SOMEONE TELL ME WHAT IT IS PLZ!!

Mathematics

2 answers:

belka [17]3 years ago

7 0

The answer is -456 just checked.

Helga [31]3 years ago

5 0

The answer is -257 feet

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Ribbon is sold by the yard.If the cost is $2.79 per yard,how much does the ribbon cost per inch?

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The ribbon costs $0.07 per inch

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3 years ago

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What is the answer for # 24?<br><br>A B C or D

Rainbow [258]

The volume of the space not filled by the sphere is the difference between the volume of a cube with edge length 6 inches and the volume of a sphere with radius 3 inches.

The volume of a cube of edge length s is

... V = s³

When the edge length is 6 in, the volume is

... V = (6 in)³ = 216 in³

<h3><u>Sphere</u></h3>

The volume of a sphere with radius r is

... V = (4/3)π·r³

When the radius is 3 in, the volume is

... V = (4/3)π·(3 in)³ = 36π in³

<h3><u>Space</u></h3>

Then the volume of the space between the cube and the sphere is

... Vcube - Vsphere = 216 in³ - 36π in³ ≈ 102.9 in³ . . . . corresponding to choice C

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3 years ago

What is 12 divided by 7?

Molodets [167]

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1.71428571429..........

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A study conducted at a certain high school shows that 72% of its graduates enroll at a college. Find the probability that among

mixas84 [53]

Answer:

$P(X \geq 1) =1-P(X$

And we can use the probability mass function and we got:

$P(X=0)=(4C0)(0.72)^0 (1-0.72)^{4-0}=0.00615$

And replacing we got:

$P(X \geq 1) = 1-0.00615 = 0.99385$

Step-by-step explanation:

Let X the random variable of interest "number of graduates who enroll in college", on this case we now that:

$X \sim Binom(n=4, p=0.72)$

The probability mass function for the Binomial distribution is given as:

$P(X)=(nCx)(p)^x (1-p)^{n-x}$

Where (nCx) means combinatory and it's given by this formula:

$nCx=\frac{n!}{(n-x)! x!}$

We want to find the following probability:

$P(X \geq 1)$

And we can use the complement rule and we got:

$P(X \geq 1) =1-P(X$

And we can use the probability mass function and we got:

$P(X=0)=(4C0)(0.72)^0 (1-0.72)^{4-0}=0.00615$

And replacing we got:

$P(X \geq 1) = 1-0.00615 = 0.99385$

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3 years ago

A sprinkler is set to water the section of lawn represented by the shaded region in the circle below

Juli2301 [7.4K]

Answer:

We taking the same final exam

Step-by-step explanation:

I don’t know the answer that’s why I came here

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