MATHEMATICS HIGH SCHOOL

Porfavor alguien me dice cuanto es esto 3×?=20​

Answers

Answer 1
Answer:

Answer:

es imposible

Step-by-step explanation:

3x7=21

se va por uno

Answer 2
Answer:

Answer:

6.66666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666

Step-by-step explanation:

Que no se te olvide el punto

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HELP PLEASE ASAP!! Which relation is a function?

Answers

Answer:

The one on the bottom left.

Step-by-step explanation:

To find out which one is a function, we would use the vertical line test. First you create a vertical line with your finger, pencil, or another object. If there are two dots that pass a vertical line, it would not be a function. Only one dot can cross the vertical line for it to be a function.

How can you tell when a quadratic equation has two identical, rational solutions?when the radicand is negative
when b in the quadratic formula is greater than the radicand
when the radicand equals zero
when the radicand is not a perfect square

Answers

The discriminant of a quadratic equation determines the nature of the roots of the equation whether they are rel or imaginary. The formula for determining the discriminant is 
d = b2 - 4acwhen there are two identical real roots, then the discriminant is equal to zero. The answer is C. 

Answer:

When the radical equals 0 or C.

Step-by-step explanation: I got it right on a test.

What polynomial must be added to x^2-2x+6 so that the sum is 3x^2+7x?

Answers

2x^2+9x-6 i found this by subtracting 3x^2+7x from the other equation

Subtracting 3xy2 from 8xy2 gives the same result as the expression. A. 3xy^2 - 8xy^2 B. -7xy^2 - 2xy^2 C. 7xy^2 - 2xy^2

Answers

Answer:

Option (c) is correct.

7xy^2-2xy^2 is the correct expression

Step-by-step explanation:

 Given : Expression 3xy^2 and  8xy^2

We have to subtract 3xy^2 from  8xy^2 and choose the correct expression from the given options.

Consider the given expressions  3xy^2 and  8xy^2

we have to subtract 3xy^2 from  8xy^2

Thus, while subtracting we write term after 'from' before.

Therefore, 8xy^2-3xy^2=5xy^2 is the correct expression

Also subtracting 7xy^2-2xy^2=5xy^2 gives same result.

So, option (c) gives the same result as obtained from given expression.
Subtracting 3xy² from 8xy² is 8xy² - 3xy² = 5xy²

Answer: C. 7xy² - 2xy² = 5xy²

What is the sum of the first 22 terms of the following series?86 + 79+ 72 + 65 + 58 +...

Answers

S22 = (86*2+(79-86)*(22-1))*22/2 = 275

Using Distributive Property, what is the simplified answer to (6+9v)6 ?

Answers

36+54v 

Multiply 6 with both 6 and 9v
(6+9v)6 = (6)(6) + (9v)(6) so now you just calculate them. 36 + 54z . I hope that's help
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