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alexandr1967 [171]
3 years ago
8

Can you help me solve this?​

Mathematics
1 answer:
yuradex [85]3 years ago
7 0

Answer:

Abraham Lincoln

Step-by-step explanation:

hes the 16th president, duh

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Write an equation for the value of y in terms of x. Then solve the equation for x.
UkoKoshka [18]

Answer:

x=y-48, y=x+48

Step-by-step explanation:

3 0
3 years ago
4. The data shows the number of siblings each student in a 9th-grade class has.
antiseptic1488 [7]

Answer:

The correct option is Mean and standard deviation.

Step-by-step explanation:

The data set provided, arranged in ascending order is:

S = {0 , 0 , 0 , 1 , 1 , 1 , 1 , 1 , 1 , 2 , 2 , 2 , 2 , 2 , 2 , 2 , 3 , 3 , 3 , 4 , 4}

Now, it is provided that Macy was absent when the data was collected and the class guessed she had 4 siblings. When  she returned, they found out she actually has 9 siblings.

So, the new data set is:

X = {0 , 0 , 0 , 1 , 1 , 1 , 1 , 1 , 1 , 2 , 2 , 2 , 2 , 2 , 2 , 2 , 3 , 3 , 3 , 4 , 9}

The mean of a data set is the average value representing the entire data.

\bar X=\frac{1}{n}\sum X_{i}

The median is the middle value of the data set.

The inter-quartile range is the difference between the first and the third quartile.

The standard deviation is the value that represents how dispersed the data values are.

SD=\sqrt{\frac{1}{n}\sum (X_{i}-\bar X)^{2}}

From all the above statistic, the mean and standard deviation are the only ones that uses all the observations in the data set to compute their value.

So, on changing one of the 4s by a 9, the set of measures that will be affected are the mean and standard deviation.

Thus, the correct option is Mean and standard deviation.

3 0
3 years ago
Five times a number increased by 8 is seven less than 6 times the number. Find the number.
maksim [4K]

Answer:

15 = x

Step-by-step explanation:

3 0
3 years ago
Help me on this please I’d appreciate it
guajiro [1.7K]

Step-by-step explanation:

your friend is closer to the school (b)

it's graph covers less area..

4 0
2 years ago
Use row reduction to find the inverse of the given matrix if it exists, and check your answer by multiplication.
lakkis [162]

Step-by-step explanation: see attachment below

8 0
3 years ago
Read 2 more answers
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