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MAXImum [283]
3 years ago
9

A+ab+abc=bcb what are the numbers!?​

Mathematics
1 answer:
Fofino [41]3 years ago
7 0

a=1 b= c=Step-by-step explanation:

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Anvisha [2.4K]

Answer

it was on my test

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3 years ago
I need awnsers please
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2 years ago
Isabella averages 152 points per bowling game with a standard deviation of 14.5 points. Suppose Isabella's points per bowling ga
Serga [27]

Answer:

The z-score when x=187 is 2.41. The mean is 187. This z-score tells you that x = 187 is 2.41 standard deviations above the mean.

Step-by-step explanation:

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.

In this question:

\mu = 152, \sigma = 14.5

The z-score when x=187 is ...

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

Z = \frac{187 - 152}{14.5}

Z = 2.41

The z-score when x=187 is 2.41. The mean is 187. This z-score tells you that x = 187 is 2.41 standard deviations above the mean.

3 0
3 years ago
I need answers for this question
Colt1911 [192]

Answer:

1. Use the distributive property to get rid of any parenthesis.

2. Combine like terms

3. Move all variables to one side

4. Inverse operations

8 0
1 year ago
A recipe requires 5.5 teaspoons of sugar to make a cheesecake. Which equation shows the number of teaspoons of sugar, y, needed
Assoli18 [71]
I believe it is x=5.5y

hope this helps!
8 0
3 years ago
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