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2 years ago

A27=16 a 27 = 16 . What is the value for a?

Mathematics

2 answers:

Brrunno [24]2 years ago

7 0

a=11

Step-by-step explanation:

b/c a27=16 then both side subtract 27

27-27=16-27then a=11

Reil [10]2 years ago

3 0

I guess this is what you need, I’m sorry if it’s not

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4 x 2 -3= equals what.

yaroslaw [1]

Answer:

Step-by-step explanation:

4 x 2 - 3 =

8 - 3 =

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3 years ago

Read 2 more answers

A food processor packages orange juice in small jars. The weights of the filled jars are approximately normally distributed with

Ratling [72]

Answer:

$P(X>10.983)=P(\frac{X-\mu}{\sigma}>\frac{10.983-\mu}{\sigma})=P(Z>\frac{10.983-10.5}{0.3})=P(z>1.61)$

And we can find this probability using the complement rule and with excel or the normal standard table:

$P(z>1.61)=1-P(z$

Step-by-step explanation:

Previous concepts

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".

Solution to the problem

Let X the random variable that represent the weights of a population, and for this case we know the distribution for X is given by:

$X \sim N(10.5,0.3)$

Where $\mu=10.5$ and $\sigma=0.3$

We are interested on this probability

$P(X>10.983)$

And the best way to solve this problem is using the normal standard distribution and the z score given by:

$z=\frac{x-\mu}{\sigma}$

If we apply this formula to our probability we got this:

$P(X>10.983)=P(\frac{X-\mu}{\sigma}>\frac{10.983-\mu}{\sigma})=P(Z>\frac{10.983-10.5}{0.3})=P(z>1.61)$

And we can find this probability using the complement rule and with excel or the normal standard table:

$P(z>1.61)=1-P(z$

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3 years ago

Suppose a coin is flipped and a card is drawn from the deck. What is the probability that the coin lands on tails and the card i

Deffense [45]

Answer:

1/26

Step-by-step explanation:

1 out of 13 would be equal to the amount of cards that would be a jack.

But you also have to take into regards the coin flip 50%chance so you would just could what the number is divided by to get the right answer. Since out come could be tails or head instead of just being one for sure for example.

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3 years ago

HELP IM ON A TIME LIMIT AND IDK THE ANSWER

aleksandrvk [35]

Answer:

Check step-by-step explanation

Step-by-step explanation:

A = $\frac{1}{2}$ $d_{1} d_{2}$