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miskamm [114]
3 years ago
8

Creed wanted to know if there was a correlation between number of years of education and income. He collected data and created t

he scatterplot shown:
Determine the closest correlation coefficient (r value) for this data.

Mathematics
1 answer:
Trava [24]3 years ago
5 0
Like CREED creed? cus we just talked and he denied all of this
You might be interested in
Please answer correctly !!!!!!! Will mark Brianliest !!!!!!!!!!!
icang [17]

Answer:

x=-2\\x=2

(You only need to give one solution)

Step-by-step explanation:

We have the following equation

(x^2+1)^2-5x^2-5=0

First, we need to foil out the parenthesis

x^4+2x^2+1-5x^2-5=0

Now we can combine the like terms

x^4-3x^2-4=0

Now, we need to factor this equation.

To factor this, we need to find a set of numbers that add together to get -3 and multiply to give us -4.

The pair of numbers that would do this would be 1 and -4.

This means that our factored form would be

(x^2-4)(x^2+1)=0

As the first binomial is a difference of squares, it can be factored futher into

(x^2+1)(x+2)(x-2)=0

Now, we can get our solutions.

The first binomial will produce two complex (Not real) solutions.

x+2=0\\\\x=-2

x-2=0\\\\x=2

So our solutions to this equation are

x=-2\\x=2

3 0
3 years ago
Which equation is y=3(x-2)^2-(x-5)^2
Savatey [412]

Answer:

y=4x^2-31

Step-by-step explanation:

8 0
4 years ago
What the answer to this question
ozzi

Answer:

44

Step-by-step explanation:

8 0
3 years ago
Helpppp pleaseeeeeeeeeeee
Hatshy [7]
Let the ratio of the number of blue to yellow cards be 4:3
since blue has 4 parts and yellow has 3, the total would be 7 equal parts which sum up to 84
--> each part is equal to 12
blue has 4 parts so there are 4*12=48 blue cards in total
4 0
4 years ago
Read 2 more answers
Find the following trigonometric values,rounded to 4 decimal places: 1) tan45. 2)sin70. 3) cos30. 4) cos20
harina [27]
1) Tan45 = 1
2) Sin70 = 0.9397
3) Cos30 = 0.8660
4) Cos20 = 0.9397
7 0
3 years ago
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