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allochka39001 [22]
3 years ago
13

Solve for j. j^2 + 18j = 0

Mathematics
1 answer:
stira [4]3 years ago
7 0
The answer is 0, and -18
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HELP! IM STUCK!
Readme [11.4K]

Answer:

(x-1)^2+(y+4)^2=9

Step-by-step explanation:

The equation of a circle is given by:

(x-h)^2+(y-k)^2=r^2

Where (h, k) is the center and r is the radius.

The center of the circle is (1, -4).

And the radius is 3.

Substitute:

(x-(1))^2+(y-(-4))^2=(3)^2

Simplify. Thus, our equation is:

(x-1)^2+(y+4)^2=9

3 0
3 years ago
Jack has $37 and saves $6.50 per week. Diane has $9 and saves $8.25 per week. Define a variable, then write and solve an equatio
Aleks [24]

Answer:

Defining variable: x = per week

Equation: 37 + 6.5x = 9 + 8.25x

Answer: 16 weeks

Step-by-step explanation:

x = per week

Jack:

37 + 6.5x

Diane:

9 + 8.25x

Equation:

37 + 6.5x = 9 + 8.25x

-1.75x = -28

x = 16

5 0
3 years ago
HELP PLZZZZZZ!!!!!!!!<br> F=fg/f+g-d<br> solve for f<br> F does not equal f<br> SHOW YOUR WORK
Flura [38]
Is this even a problem
3 0
3 years ago
Rohen decided to collect data to determine if the size of a student's home and the student's age are correlated. He determined t
Aliun [14]

To solve the problem we must know about the correlation coefficients.

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

The correlation coefficient helps us to know how strong is the relation between two variables. Its value is always between +1 to -1, where, the numerical value shows how strong is the relation between them and, the '+' or '-' sign shows whether the relationship is positive or negative.

  • 1 indicates a strong positive relationship.
  • -1 indicates a strong negative relationship.
  • A result of zero indicates no relationship at all, therefore, independent variable.

The correlation coefficient 0.2 denotes, "There is a weak positive relationship between the size of a student's home and the student's age".

Given to us

  • The correlation coefficient for the data is 0.2.

As we can see that the value of the correlation coefficient is 0.2, therefore, it is far from1 meaning the relationship is weak, while the '+' symbol denotes that the relationship is positive.

Hence, the correlation coefficient 0.2 denotes, "There is a weak positive relationship between the size of a student's home and the student's age".

Learn more about Correlation Coefficients:

brainly.com/question/15353989

7 0
3 years ago
What are the solutions to the equation f(x)=g(x)?
ycow [4]

aaaaaahahahahahHahahahhahahahahahahahahaaaahaahaaaahaaahahaa t

7 0
2 years ago
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