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Romashka [77]
2 years ago
9

Can someone help me answer these two questions

Mathematics
1 answer:
Olin [163]2 years ago
8 0

Answer:

Step-by-step explanation:

for the 1st one you multiply 2+2 by 2 the answer is 8 i cant see the whole 2nd problem so I dont know

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One half plus negitive two therds
alina1380 [7]
-1/6 thats the answer
7 0
3 years ago
14 POINTS PLEASE HELP WILL MARK BRAINLIEST NEED URGENTLY
liraira [26]

Using correlation coefficients, it is found that a coefficient of -1 represents a strong negative correlation.

<h3>What is a correlation coefficient?</h3>

  • It is an index that measures correlation between two variables, assuming values between -1 and 1.
  • If it is positive, the relation is positive, that is, they are direct proportional. If it is negative, they are inverse proportional.
  • If the absolute value of the correlation coefficient is greater than 0.6, the relationship is strong.

For this problem, we have a correlation coefficient of -1, hence it means that:

  • The relation is negative, as -1 is a negative number.
  • The relation is strong, as the absolute value of the coefficient is of 1, which is greater than 0.6.

More can be learned about correlation coefficients at brainly.com/question/25815006

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7 0
2 years ago
Which is the graph of f(x) = –(x + 3)(x + 1)?
Lostsunrise [7]

Answer:

Option 2

Step-by-step explanation:

We know that the graph will face down (the negative sign)

We also know that the vertex should be (-2, 1)

Therefore, option 2 is the solution

5 0
3 years ago
Read 2 more answers
Select whether the number is rational, irrational, or imaginary. 1/4
rjkz [21]
Because 1/4 is a fractional number, it is also a ratio which means it is Rational. :)
7 0
2 years ago
Read 2 more answers
Find the value of x: 7e(×/3)=14
velikii [3]
<span>7e^(×/3)=14
</span><span>e^(×/3)=14/7
</span>e^(×/3)=2
take ln of both sides;
lne^(×/3)=ln2
****You should be familiar that lne^x=x as ln is the inverse function of e and vice versa****
then;
x/3=ln2
x=3ln2
x approximately is equal to 2.1
6 0
3 years ago
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