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mylen [45]
3 years ago
5

How do you describe a quadratic equation?​

Mathematics
2 answers:
asambeis [7]3 years ago
8 0

A quadratic equation contains at least one term that is squared. The standard form is ax² + bx + c = 0 with a, b, and c being constants, or numerical coefficients, and x is an unknown variable.

vovangra [49]3 years ago
4 0

Answer:

an equation of the second degree, meaning it contains at least one term that is squared.

Step-by-step explanation:

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Write a situation in which positive and negative numbers are used to describe values that have opposite meaning. What does 0 rep
Dmitrij [34]

Step-by-step explanation:

Jimmy is on top of a mountain that is +2300 above sea level. But Jimmy's friend is on vacation,and he is scuba diving 2300 feet below sea level.In this situation,0 represents sea level.

mark it brainliest if it helps you ❤️

7 0
2 years ago
Read 2 more answers
Solve for x.<br> -2(x-7)=16
solniwko [45]

Answer:

-1

Step-by-step explanation:

-2(x-7)=16

-2x +14=16 You distribute

      -14 -14

-2x = 2

-2     -2 you divide

and get -1 as your answer.

Hope my answer has helped you!

5 0
3 years ago
PLEASE HELP ME!!!!! I HAVE TRIED THIS QUESTION 5X ALREADY AND I STILL CANNOT GET THE RIGHT ANSWER!!! I KNOW THE ANSWER BUT I HAV
kirill [66]

Answer:

x = 3 and y = 2

or

(3,2)

Step-by-step explanation:

first equation (LCM = 3 x 4 x 5 = 60)

(x+2)/5 - (9-x)/3 = (y - 6)/4

12(x+2) - 20(9-x) = 15(y - 6)

12x + 24 - 180 + 20x = 15y - 90

32x - 15y = -90 - 24 + 180

32x - 15y = 66

second equation:

8(x + 2) - (2x + y) = 2(x + 13)

8x + 16 - 2x - y = 2x + 26

6x - y + 16 = 2x + 26

4x - y = 10

Now you have 2 equations:

4x - y = 10  ---> y = 4x - 10

32x - 15y = 66

Substitute   y = 4x - 10 into 32x - 15y = 66

32x - 15(4x - 10) = 66

32x - 60x + 150 = 66

-28x = -84

    x = 3

    y = 4(3) - 10

    y = 12 - 10

    y = 2

Solutions: x = 3 and y = 2

6 0
3 years ago
Sara tried to evaluate 21 : 7 x 8 step-by-step
nlexa [21]

Answer: Sara multiplied by 3 when she should have multiplied by 8.

Step-by-step explanation:

21 : 7*8

7*8 = 56

21 : 56

The simplest form of this ratio is 3 : 8

6 0
3 years ago
Plz help brainiest to whoever right
nadya68 [22]

Answer:

They add up to equal 90 degrees.

6 0
2 years ago
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