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postnew [5]
3 years ago
5

A number is added to the square of itself and the result is 90. Find all possible values for the number

Mathematics
1 answer:
kolezko [41]3 years ago
6 0

Answer: 9

Step-by-step explanation: 9 x 9 equals 81 and 81 add 9 is 90

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Tell whether the following equation has one, zero, or infinitely many solutions.
maksim [4K]

Answer:

ITs C One solution

Step-by-step explanation:

Two sides are not equal.

7 0
3 years ago
Your friend finds that the correlation between shoe size and iq is r = 1. 99. what should you say about these findings?
Gennadij [26K]

An error was made, correlation values can't be greater than 1.00.

The strength of the linear association between two variables is quantified by the correlation coefficient. The correlation coefficient always takes a value between -1 and 1. The 1 represents the perfect positive correlation and -1 represents the perfect negative correlation whereas the 0 represents the no correlation between two variables.

So, if the value of the correlation coefficient between shoe size and IQ is r = +1.99 then,

Analysts in some fields do not consider a correlation significant until the value is at least 0.8. However, a correlation coefficient with an absolute value of 0.9 or greater indicates a very strong relationship. 2.

Learn more about correlation values here: brainly.com/question/4219149

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5 0
2 years ago
Write an expression for b divided by 6
Nonamiya [84]
B divided by 6

b / 6...." / " means divide
7 0
3 years ago
Read 2 more answers
Skdjdnfkejcjdkffjekvig
Snezhnost [94]

Answer:

measurement of angle 2 is 111 degrees

measurement of angle 3 is 69 degrees

measurement of angle 4 is 111 degrees

4 0
3 years ago
Re-posting because I need help.. Please help and show how you got the answer..
Nesterboy [21]

Answer:

Explicit: -2*2^(n-1)

Recursive: 2*aₙ₋₁

Step-by-step explanation:

To write a explicit formula for this geometric sequence you follow the following formula/template

Firstnumber*commonratio^(n-1)

Seeing that the common ratio is 2 we can start plugging numbers in and get

-2*2^(n-1)

For a recursive formula we follow the following template

common ratio * the n-1 term

So we could write this as

2*aₙ₋₁

8 0
3 years ago
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