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Nitella [24]
3 years ago
9

?????????!!?????????????!!!????

Mathematics
2 answers:
Tasya [4]3 years ago
4 0

Answer:

a

Step-by-step explanation:

Verdich [7]3 years ago
4 0

Answer:

a

Step-by-step explanation:

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I need to solve 5y+1<36
bezimeni [28]

Answer:

y<7 since if you subtract 1 from both sides and then divide both sides by 5 you get y<7

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3 years ago
Divide 3,724 ÷ 6. What is the remainder?
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3 years ago
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What is the GCF of:<br> 15x^2y and 20xy
azamat

Answer:

5xy

Step-by-step explanation:

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3 years ago
Explain why a quadratic equation with a positive discriminant has two real solutions, a quadratic equation with a negative discr
Bad White [126]

Answer:

A quadratic equation can be written as:

a*x^2 + b*x + c = 0.

where a, b and c are real numbers.

The solutions of this equation can be found by the equation:

x = \frac{-b +- \sqrt{b^2 - 4*a*c} }{2*a}

Where the determinant is D = b^2 - 4*a*c.

Now, if D>0

we have the square root of a positive number, which will be equal to a real number.

√D = R

then the solutions are:

x = \frac{-b +- R }{2*a}

Where each sign of R is a different solution for the equation.

If D< 0, we have the square root of a negative number, then we have a complex component:

√D = i*R

x = \frac{-b +- C*i }{2*a}

We have two complex solutions.

If D = 0

√0 = 0

then:

x = \frac{-b +- 0}{2*a} = \frac{-b}{2a}

We have only one real solution (or two equal solutions, depending on how you see it)

3 0
3 years ago
Write two pairs of decimals whose sums equals to 14.1
Ilia_Sergeevich [38]
6.5 + 7.6

8.4 + 5.7

ur welcome
5 0
3 years ago
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