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Anettt [7]
3 years ago
8

Simplify the algebraic expression 3x^2 + 8x - 6x^2 + 2x

Mathematics
2 answers:
OverLord2011 [107]3 years ago
8 0
-3x^2 +10x
All you have to do is combine like terms!
sveticcg [70]3 years ago
7 0
-3x^2 +10 simplified

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klio [65]

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Step-by-step explanation:

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3 years ago
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What is the slope of a line between (-4,14) and (-16,8)
Bess [88]

Answer:

\frac{1}{2}

Step-by-step explanation:

slope :

slope \:  =  \:  \frac{y2 - y1}{x2 - x1}  =  \frac{8 - 14}{ - 16 -  - 4}  =  \frac{ - 6}{ - 12}  =  \frac{1}{2} = 0.5

7 0
3 years ago
PLEASE HELP
Sergeeva-Olga [200]

Answer:

y = 2

Step-by-step explanation:

I will solve this problem, using the elimination method.

-2(5x - 3y) = -11

-10x + 6y = 22

2x - 6y = -14

Subtract and divide for x

-8x = 8

x = -1

Input -1 into the equations

2(-1) - 6y = -14

-6y - 2 = -14

-6y = -12

y = 2

Thanks!

5 0
3 years ago
A sine function is transformed such that it has a single x-intercept in the interval (0,pi), a period of pi and a y-intercept of
Alex787 [66]
Just to make sure we're using the same language, I'm going to use the function form of:

y = A\sin(kx) + h

[] I would agree that k = 2, since the period is only half as long as a normal sine function. So, we so far, have y = A sin(2x) + h. We still need to find A and h.

[] The y-intercept is 3. Remember that the y-intercept happens when x = 0. So, plugging in x = 0 into our formula, we have: 3 = A sin(2*0) + h. In other words, 3 = A sin(0) + h = 0 + h = h. So, we now know that h = 3. The formula is now y = A sin(2x) + 3.

[] Finally, there is a single x-intercept. Picture what the sine function looks like right now, it is floating in the air around y = 3. We need to stretch it vertically until it just grazes the x-axis. 

If A = 1, then our sine function bounces between 2 and 4 (+/- 1 around h = 3). But that doesn't touch 0, so no good.

If A = 2, then our sine function bounces between 1 and 5 (+/- 2 around h = 3). Again, not quite touching 0 yet.

The answer should be A = 3, then our sine function bounces between 0 and 6 (+/- 3 around h = 3).

The final formula is y = 3 sin(2x) + 3.
7 0
3 years ago
a conveyor belt in the local m&ms chocolate factory is 420ft long. the yellow peanut m&m character hops on one end and r
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