3 years ago

Which of the following strategies is appropriate for factoring polynomials with 3 terms?

1 answer:

4 0

That would be elimination. you could do it with substitution but i like using elimination more than substitution when theres more than 2 variables

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PLSSS HELP GIVING 5 POINTS PLUS BRAINLIEST

Serjik [45]

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3 years ago

Nal or irrational Classify each number below as a rational number or an irrational number.

natulia [17]

Answer:

1) irrational

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2 years ago

Simplify: j + 5 + 5c

irina [24]

The answer is 5
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3 years ago

PLEASE HELP I GIVE ALL MY POINTS PLZZZZ!!!!! Select the correct answer. Vector u has its initial point at (1, -12) and its termi

dimulka [17.4K]

Answer:

Vector u has u_x = (5 - 15) = -10, and u_y = -4 - 22 = -26, and its component form would be u = -10i - 26j.

If vector v is in the opposite direction: 10i + 26j

And if it is double in magnitude: v = 20i + 52j

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2 years ago

Jillian is trying to save water, so she reduces the size of her square grass lawn by 8 feet on each side the area of the smaller

horsena [70]

Answer: 20 feet by 20 feet.

Step-by-step explanation:

1. You know that $x$ is the original measure of one side. Since it is a square, all its sides are equal.

2. Therefore, to solve the problem you only need to solve for $x$ , as you can see below:

- You have that:

$(a-b)^{2}=a^{2}-2ab+b^{2}$

- Then, you obtain the following quadratic equation:

$(x-8)^{2} =144\\x^{2}-2(x)(8)+8^{2}=144\\x^{2}-16x-80=0$

- Apply the Quadratic formula to solve it:

$x=\frac{-b+/-\sqrt{b^{2}-4ac}}{2a}\\a=1\\b=-16\\c=-80$

- Then, you obtain:

$x_1=20\\x_2=-4$

3. The dimensions cannot be negative, therefore, the answer is: 20 feet by 20 feet.

3 0

3 years ago

Read 2 more answers