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alukav5142 [94]
3 years ago
13

The sum of twice a number and 5 is less than 17

Mathematics
1 answer:
andreev551 [17]3 years ago
3 0
Sum of (twice a number) and (five) is less than 17
sum of 2x and 5 is (less than 17)
2x + 5 < 17
2x + 5 - 5 < 17 - 5
2x < 12
2x /2 < 12 /2
x < 6

Hope this helps! :)
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There's no way to know this without knowing the number of pencils he started with
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State the domain and range for the following relation. Then determine whether the relation represents a function
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Hope this helps!
Can u plz mark me as brainliest? I really need it!
4 0
3 years ago
Read 2 more answers
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:

A = 1/C

B = 1/K

(both are positive, because "it has two squares with the same signs").

Then we get the equation:

\frac{ (x - a)^2}{C} + \frac{(x - b)^2}{K} = R^2

We get the equation we wanted.

The same sign in both square parts and different leading coefficients.

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
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