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2 years ago

272 is the partial product of 34 and ?

Mathematics

2 answers:

ELEN [110]2 years ago

8 0

Answer:

<h3><u>Required Answer</u><u>:</u><u>-</u></h3>

${:}\longmapsto$ $\sf {\dfrac {272}{34}}$

${:}\longmapsto$ $\sf 8$

Sav [38]2 years ago

5 0

Answer:

Step-by-step explanation:

cuz 272/34= 8

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An adult elephant drinks about 225 liters of water each day. Is the number of days the water supply lasts proportional to the nu

Dvinal [7]

1 day = 225 liters
2 days = 450 liters

I don't think it is proportional..

Proportional is like..
1 day = 12 bags of rice
2 days = 11 bags of rice
3 days = 10 bags of rice

Thanks.

8 0

2 years ago

Read 2 more answers

Vanessa bakes a rectangular cake that is 9 inches wide,13 inches long and 2 inches high. She removes the cake from the pan to fr

TEA [102]

This is a rectangular cake, and there are 3 measurements, meaning that you are evidently finding volume.

Let's go back, first off, the formula for volume is...

V = L x W x H (Length, Width, Height)
Your measurements are 9 in, 13 in, 2 in.

All you need to do is follow the formula and multiply them.

9 x 2 = 18
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Your answer is C: 234 $in^{2}$

Hope this helps!

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3 years ago

Find the amount of time. I=$237.90, P=$1525, r=2.6%<br><br> think I=PRT

egoroff_w [7]

AWNER is 6

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3 years ago

Plz help

Semenov [28]

This is a classic example of Scientific Notation.
5.3 x 10^5 actually equals 530,000
3.8 x 10^4 actually equals 38,000
Since it is asking for the sum of the numbers you are adding.
Your new equation look like this:
530,000 + 38,000
= 568,000
now all you have to do is count the decimal points. You start from the end zero and count the spaces in between until you get to the tenths place. (Right behind the first number) There are 5
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3 years ago

A practice law exam has 100 questions, each with 5 possible choices. A student took the exam and received 13 out of 100.If the s

Cloud [144]

Answer:

$z=\frac{13-20}{4}=-1.75$

Assuming:

H0: $\mu \geq 20$

H1: $\mu$

$p_v = P(Z$

Step-by-step explanation:

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".

Let X the random variable of interest (number of correct answers in the test), on this case we now that:

$X \sim Binom(n=100, p=0.2)$

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 need to check the conditions in order to use the normal approximation.

$np=100*0.2=20 \geq 10$

$n(1-p)=20*(1-0.2)=16 \geq 10$

So we see that we satisfy the conditions and then we can apply the approximation.

If we appply the approximation the new mean and standard deviation are:

$E(X)=np=100*0.2=20$

$\sigma=\sqrt{np(1-p)}=\sqrt{100*0.2(1-0.2)}=4$

So we can approximate the random variable X like this:

$X\sim N(\mu =20, \sigma=4)$

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean". The letter $\phi(b)$ is used to denote the cumulative area for a b quantile on the normal standard distribution, or in other words: $\phi(b)=P(z$