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weeeeeb [17]
3 years ago
6

Which expression or expressions have the same value as 12 2?

Mathematics
1 answer:
Ghella [55]3 years ago
5 0

Answer:I think you mean 2 over 12 if so its 1/6

Step-by-step explanation:

you must simplify you divide  both of them by numbes they are divisblle by

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At camp, 5 children are playing games and 4 children are making crafts. 5 other children are having a snack. how many children a
olasank [31]
14 people are at camp that day
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3 years ago
What is 1 & 7\11 divided by 2& 1/2 ? (fraction
olga_2 [115]

Answer:

It equals 1.254 repeating.

5 0
3 years ago
If the circumference of a circle is 36π, what is the length of a radius of the circle?
m_a_m_a [10]

Answer:

The answer is 6 (A)

Step-by-step explanation:

The exact answer is 5.73, but I think in the question they are rounding to the nearest whole number, so the rounded answer is 6.

My work:

C = 2πr

r = C

2π = 36

2·π = 5.72958

8 0
3 years ago
Choose the equation that represents the graph below:
Zolol [24]
Y = x + 3 is the answer

the y-intercept is 3, so the answer should have a "+ 3" in it

when you are trying to determine the gradient (the x), you can use two methods

first method:
picture/sketch the line. If the line is going upwards (from left to right), it's positive. If the line is going downwards (from left to right), it's negative. However, this method only works for this question, you should try using the second method more

second method:
use the formula: (y - y) / (x - x)
So, you use the y from one of the brackets and subtract the y from the other bracket. Then, you put it over the x ,from the same bracket as the first y, and subtract the x from the second bracket. If you are confused, look at the picture. (Sorry for the messy explanation)

7 0
3 years ago
Read 2 more answers
Mary and Jane both took PSY230 last semester but they were in two different sections taught by different professors. Mary's clas
Greeley [361]

Answer:

Due to the higher z-score, Jane did better in class.

Step-by-step explanation:

Z-score:

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.

In this question:

Whoever's grade had the better z-score did better in class.

Mary's:

Mean of 85, standard deviation of 5, grade of 88. This means that \mu = 85, \sigma = 5, X = 88. So

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

Z = \frac{88 - 85}{5}

Z = 0.6

Jane's

Mean of 80, standard deviation of 10, grade of 88. This means that \mu = 80, \sigma = 10, X = 88. So

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

Z = \frac{88 - 80}{10}

Z = 0.8

Due to the higher z-score, Jane did better in class.

4 0
2 years ago
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