<img src="https://tex.z-dn.net/?f=%5Cfrac%7B12%7D%7B20%7D%3D" id="TexFormula1" title="\frac{12}{20}=" alt="\frac{12}{20}=" align

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lions [1.4K]

2 years ago

="absmiddle" class="latex-formula"> ____% = ____ hundredths

Mathematics

1 answer:

Alecsey [184]2 years ago

5 0

The equivalent numbers of 12/20 are 60% and 0.60

<h3>How to convert the fraction?</h3>

The fraction expression is given as:

12/20

Multiply the fraction expression by 100%

So, the expression becomes

12/20 * 100%

Evaluate the product

60%

Express as fraction, again

60/100

Evaluate the quotient

0.60

Hence, the equivalent numbers of 12/20 are 60% and 0.60

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What does an individual's effective tax rate indicate?

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Answer:

An individual's effective tax rate represents the average of all tax brackets that their income passes through as well as the total of all deductions and credits that lower their total income to their taxable income.

Step-by-step explanation:

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What is the common ratio of the sequence?<br> -2, 6, -18, 54....<br> -3<br> -2<br> 3<br> 8

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Answer:

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3 years ago

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If 90 percent of automobiles in Orange County have both headlights working, what is the probability that in a sample of eight au

Alex17521 [72]

Answer:

$P(X \geq 7) = P(X=7) +P(X=8)$

And we can find the individual probabilities using the probability mass function

$P(X=7)=(8C7)(0.9)^7 (1-0.9)^{8-7}=0.3826$

$P(X=8)=(8C8)(0.9)^8 (1-0.9)^{8-8}=0.4305$

And replacing we got:

$P(X \geq 7) = P(X=7) +P(X=8)=0.3826 +0.4305=0.8131$

Step-by-step explanation:

Previous concepts

The binomial distribution is a "DISCRETE probability distribution that summarizes the probability that a value will take one of two independent values under a given set of parameters. The assumptions for the binomial distribution are that there is only one outcome for each trial, each trial has the same probability of success, and each trial is mutually exclusive, or independent of each other".

Solution to the problem

Let X the random variable of interest "number of automobiles with both headligths working", on this case we now that:

$X \sim Binom(n=8, p=0.9)$

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:

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

And for this case we want to find this probability:

$P(X \geq 7) = P(X=7) +P(X=8)$

And we can find the individual probabilities using the probability mass function

$P(X=7)=(8C7)(0.9)^7 (1-0.9)^{8-7}=0.3826$

$P(X=8)=(8C8)(0.9)^8 (1-0.9)^{8-8}=0.4305$

And replacing we got:

$P(X \geq 7) = P(X=7) +P(X=8)=0.3826 +0.4305=0.8131$

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3 years ago

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Y’all I need help with this

topjm [15]

Answer:

k = 5

Step-by-step explanation:

Since the quantities are in direct proportion then the equation relating them is

y = kx ← k is the constant of proportion

The y- axis is number of cups and x- axis is pounds of sugar

To find k use any of the 5 points highlighted on the graph

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5 = k

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2 years ago

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Anestetic [448]

Step-by-step explanation:

Solution,

According to question,

Length= 12 cm

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Now,

By using the formula of area of rectangle, we get

Area of rectangle= Length×breadth

Area of rectangle=12 cm×10 cm

Area of rectangle=120 cm²

Hence, the area of the rectangle is 120 cm².

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3 years ago

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