2 years ago

Determine the slope of the following equation: 2y -4x = 9

Mathematics

1 answer:

sweet-ann [11.9K]2 years ago

3 0

In y=mx+b, this is y=2x+9/2. The slope is 2

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3 years ago

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Compare and Contrast how you would factor x^2−9 and x^2+9. For full credit, make sure you explain why they are factored differen

marishachu [46]

The factored form of the expression $x^2 - 9$ is $(x+3)(x-3)$

The expression x^2 + 9 has no real roots hence cannot be factored

Quadratic equations are equations with a degree of 2.

Given the quadratic function $x^2-9 \ and \ x^2+9$

For the function $x^2 - 9$

$=x^2-9\\=x^2-3^2$

Using the difference of two squares:

$a^2-b^2=(a-b)(a+b)\\x^2-3^2=(x-3)(x+3)$

For the expression x^2 + 9

The expression x^2 + 9 has no real roots hence cannot be factored

Learn more on factorization here: brainly.com/question/20293447

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2 years ago

4.2(5.1x+6.8) Simplify the expression

vovikov84 [41]

Answer:

21.42x+28.56

Step-by-step explanation:

Expand: 4.2×5.1×x+4.2×6.8

4.2×5.1×x to (21.42)x

Simplify: 21.42x+4.2×6.8

4.2×6.8 = 28.5628.56

21.42x+28.56

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2 years ago

Someone please answer this for me!!! Its 1 Answer !!!

Nikolay [14]

Answer:

8.69 × 10^4

For a clearer answer look at the image.

Step-by-step explanation:

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5.84 + 2.85 = 8.69

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3 years ago

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