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3 years ago

What is -3 (5a + 2 + 3c) simplified?

Mathematics

1 answer:

GuDViN [60]3 years ago

6 0

-15a - 9c -6 should be right :)

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Answer: Well, I thought about it and I was like, Well 813 right? Then I realized the question and was like: Nvm lol (Hope you find the answer!)

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3 years ago

A students cost for last semester at her college was 2400. She spent $288 of that on books. What percent of last semesters colle

Nat2105 [25]

Answer:

12%

Step-by-step explanation:

288/2400 *100

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3 years ago

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2 years ago

The point P(8, −3) lies on the curve y = 3/(7 − x). (a) If Q is the point (x, 3/(7 − x)), use your calculator to find the slope

yan [13]

Answer:

Slope of the line $PQ is -63.434948.$

Step-by-step explanation:

Given that,

The point $P(8,-3)$ lies on the curve $y=\frac{3}{7-x}$ .

If $Q$ is the point lies on $(x,\frac{3}{7-x} )$ .

To find:- Find the slope of line $PQ$ .

So,

The coordinates of point $Q$ when it lies on $(x,\frac{3}{7-x} )$

if $x=1$ then $y= \frac{3}{7-1} =\frac{3}{6} =\frac{1}{2}$

So, $Q$ ≡ $(1,\frac{1}{2} )$ and many points can be calculated by given Equation.

Using the formula when two points $(x_{1} ,y_{1} ) \& (x_{2}, y_{2} )$ .

$Slope=Tan\theta = \frac{y_{2}-y_{1} }{x_{2}-x_{1} }$

Then, substituting the coordinates we get,

$Slope = \frac{1-8}{\frac{1}{2}-(-3) }$

$Slope = \frac{-7}{\frac{1}{2}+3 } = \frac{-7}{\frac{7}{2} }$

$Slope = \frac{-14}{7}=-2$

$tan\theta=-2$ ⇒ $\theta = tan^{-1} (-2)$

$\theta= -63.434948$

Therefore,

Slope of the line $mPQ is -63.434948.$

7 0

3 years ago

Help please with this math question ?

Snezhnost [94]

Answer:

Combine

2 ¼ and 10.50

Simply

8.75

Answer

9.75

Step-by-step explanation:

Hope this was correct.

Glad I could help!

5 0

3 years ago

What is -3 (5a + 2 + 3c) simplified?​

What is -3 (5a + 2 + 3c) simplified?