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Nady [450]
3 years ago
12

The answers and how to solve them

Mathematics
1 answer:
Gwar [14]3 years ago
7 0
A.30x+1 that's all I got
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What is the factored form of the polynomal? x2-12x+27
lianna [129]

Answer:

The answer is (x-9) (x-3).

Step-by-step explanation:

This is because when you multiply them together you get

x^{2}, -9x, -3x, and 27

When you add the like terms you get,

x^{2} - 12x +27

6 0
3 years ago
What is 6y and 6x equal to
ella [17]

Answer:

I believe the answer is 6yx.

Step-by-step explanation:

I'm sorry if this is wrong.

6 0
3 years ago
Solving Rational Inequalities and use sign diagram to sketch the graph. Image attached for better understanding.
Digiron [165]

Answer:

x ∈ (-∞, -1) ∪ (1, ∞)

Step-by-step explanation:

To solve this problem we must factor the expression that is shown in the denominator of the inequality.

So, we have:

x ^ 2-1 = 0\\x ^ 2 = 1

So the roots are:

x = 1\\x = -1

Therefore we can write the expression in the following way:

x ^ 2-1 = (x-1)(x + 1)

Now the expression is as follows:

\frac{(x-2) ^ 2}{(x-1) (x + 1)}\geq0

Now we use the study of signs to solve this inequality.

We have 3 roots for the polynomials that make up the expression:

x = 1\\x = -1\\x = 2

We know that the first two are not allowed because they make the denominator zero.

Observe the attached image.

Note that:

(x-1)\geq0 when x\geq-1

(x + 1)\geq0 when x\geq1

and

(x-2) ^ 2 is always \geq0

Finally after the study of signs we can reach the conclusion that:

x ∈ (-∞, -1) ∪ (1, 2] ∪ [2, ∞)

This is the same as

x ∈ (-∞, -1) ∪ (1, ∞)

6 0
3 years ago
The points (-4,-4), (-4,4), (4,4), (4,-4) form a square on a coordinate plane. How long is a side length of a square?
Crank
The answer is 4 units long and 8 units wide
6 0
3 years ago
Read 2 more answers
As an estimation we are told £3 is €4.<br> Convert £27 to euros.
irina [24]

Answer:

The answer is 38 euros.

Step-by-step explanation:

4 0
2 years ago
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