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Goshia [24]
3 years ago
14

(0 - -3) x (1 + 5) divided by ( 2 - -2)

Mathematics
2 answers:
ElenaW [278]3 years ago
4 0

Answer:

4.5

hope it's helpful ❤❤❤❤❤❤

THANK YOU.

Amiraneli [1.4K]3 years ago
3 0

Answer:

4.5

Step-by-step explanation:

(0-(-3))x(1+5) divided by (2 -(-2))

When adding or subtracting 0, the quantity does not change

-(-3)x(1+5) / (2-(-2))

When there is a - in front of an expression in parentheses, change the sign of each term in the expression

3(1+5) / (2-(-2))

Add the numbers

3x6 / (2-(-2))

When there is a - in front of an expression in parentheses, change the sign of each term in the expression

3x6 / (2+2)

Add the numbers

3x6 / 4

Calculate the expression

=4.5

Alternative Form= 9/2, 4 1/2

if you could give me brainliest that'd be amazing! if not thats alright too, hope this helps!!

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soldi70 [24.7K]

Answer:

1/5

Step-by-step explanation:

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3 years ago
I don't understand how are you supposed to do this
never [62]

Answer:

Scatter plots can be a little confusing, but all you need to do is look for an association (what direction the dots appear to be going in). Positive association resembles this / whereas negative association resembles this / flipped the other way. It could also be a curved line, which would be a nonlinear association. If it appears to have no direction at all it has no association. Other wise, all you have to do is read the data to answer the questions. e.g. for the first question find the highest score in the right side of the table and then the corresponding number in the left side. Hope this helps!

7 0
3 years ago
There are 50 students in a calculus class. The amount of time needed for the instructor to grade a randomly chosen midterm exam
natta225 [31]

Answer:

14.46% probability that the instructor can finish grading in 4 and a half hours

Step-by-step explanation:

To solve this question, we need to understand the normal probability distribution and the central limit theorem.

Normal probability distribution

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

Central Limit Theorem

The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

For sums of n values from a distribution, the mean is n\mu and the standard deviation is s = \sqrt{n}\sigma

In this problem, we have that:

\mu = 6*50 = 300, s = \sqrt{50}*4 = 28.2843

What is the probability that the instructor can finish grading in 4 and a half hours

Four and half hours is 4.5*60 = 270.

So this probability is the pvalue of Z when X = 270.

Z = \frac{X - \mu}{\sigma}

By the Central Limit Theorem

Z = \frac{X - \mu}{s}

Z = \frac{270 - 300}{28.2843}

Z = -1.06

Z = -1.06 has a pvalue of 0.1446

14.46% probability that the instructor can finish grading in 4 and a half hours

8 0
3 years ago
George is 14 years old. His age is 2 years more than twice his brother, Jhon's age. How old is John?
Luda [366]

Answer:

30

Step-by-step explanation:

14×2=28

28+2=30

i hate riddles

8 0
3 years ago
Solve for xx. Round to the nearest tenth of a degree, if necessary.
Ghella [55]

Answer: 48.1^{\circ}

Step-by-step explanation:

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6 0
2 years ago
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