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zvonat [6]
3 years ago
8

11c+7c-13c=115 whats the value of c?

Mathematics
1 answer:
Degger [83]3 years ago
7 0

Simplify both sides of the equation

11c+7c -13c = 115

Simplify

5c= 115

Divide both sides by 5

5c/5 = 115/5

c = 23


I hope that's help !

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Which conic's equation has 2 squares with the same signs and different leading coefficients?
Romashka [77]

We want to see which is the conic equation that has 2 squares with the same sign and different leading coefficients.

We will see that it is the equation of the ellipse.

Now let's see why that is the correct answer.

The general conic equation is of the form:

A*(x - a)^2 + B*(x - b)^2 = R^2

Where A and B are the leading coefficients, (a, b) is the center of the figure, and R is the average radius of the figure.

For example, if A = B, this would be the equation of a circle, but we must have two different leading coefficients.

If we write:

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Then we get the equation:

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We get the equation we wanted.

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The above equation is the general equation of an ellipse.

If you want to learn more, you can read:

brainly.com/question/10311514

7 0
2 years ago
Please help tysm ill mark brainliest
liraira [26]

Answer:

use pemdas(order of the operations)and you'll get the answer 27!!

Step-by-step explanation:

5 0
2 years ago
4. The Blackhawk Eagles scored 4 points more than the Lane Vikings. The
konstantin123 [22]

Answer:

Lane Viking's Score is 17

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Step-by-step explanation:

Let Lane Viking's Score be x and Black Eagles's Score be y.

Black Eagles's Score = 4+ Lane Viking's Score

so y = 4 + x    (Equation 1)

Total Score = 38

Black Eagles's Score + Lane Viking's Score = 38

so y + x =38     (Equation 2)

Putting y's value from Equation 1 in Equation 2

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x=17

Putting value of x in Equation 1

y = 4 + 17

y = 21

7 0
3 years ago
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