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3 years ago

What is the area of the rectangle, in square feet?

Mathematics

2 answers:

Kamila [148]3 years ago

5 0

20x9=180 feet squared

Alexus [3.1K]3 years ago

3 0

Answer is 29=feet square

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What is the slope of a line perpendicular to the line whose equation is 3x+6y=-183x+6y=−18. Fully reduce your answer.

schepotkina [342]

Answer:

Step-by-step explanation:

The given equation of line is

$3x+6y=-18$

We need to find the slope of a line which is perpendicular to the given line.

The given equation can be rewritten as

$3x+6y+18=0$ ...(i)

If a line is defined as $ax+bx+c=0$ , then the slope of the line is

$m=-\dfrac{a}{b}$

In equation (i), a=3, b=6 and c=18. So, slope of the line is

$m_1=-\dfrac{3}{6}=-\dfrac{1}{2}$

Let $m_2$ be the slope of perpendicular line.

We know that product of two perpendicular line is -1.

$m_1\cdot m_2=-1$

$(-\dfrac{1}{2})\cdot m_2=-1$

Multiply both sides by -2.

$m_2=2$

Therefore, the slope of perpendicular line is 2.

6 0

3 years ago

How do I solve this equation?

Gnom [1K]

$2x(4-x)^{-1/2}-3(4-x)^{1/2}=(4-x)^{-1/2}\bigg(2x-3(4-x)\bigg)$

We effectively rewrite the equation as

$\dfrac{5x-12}{(4-x)^{1/2}}=0$

In order for the LHS to be defined, we need to restrict $4-x>0$ , or $x$ . Now, the LHS will vanish when the numerator is 0, which happens for

$5x-12=0\implies5x=12\implies x=\dfrac{12}5$

This value is indeed smaller than 4, so the solution is $x=\dfrac{12}5$ .

8 0

2 years ago

Please I need help !!!!

frez [133]

Answer:

The first one is c the second is b

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2 years ago

Find the distance between (5,2) and (5,0). PLEASE HELP!!

Kobotan [32]

Answer:

Its 2 bro

Step-by-step explanation:

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2 years ago

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After purchasing a home for $160,000, the homeowner noticed the suggested value of her house was depreciating (going down) each

olga_2 [115]

Answer:

Step-by-step explanation:

It’s c 111,734

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2 years ago