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andrew11 [14]
3 years ago
5

Please help me out with this problem

Mathematics
1 answer:
Bingel [31]3 years ago
8 0

evaluate:

x (3x²+ 11 x + 5f + 14)

solution step:

combine 9x and 5x to get 14x

3x³ + 11x² + 14x + 5Fx

factor:

x (3x² + 11 x + 5F + 14)

solution step:

factor out x

x(11x + 5F + 14 + 3x²)

i hope it helps

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zaharov [31]
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6 0
3 years ago
Write the sentence as an absolute value inequality, then solve the inequality: A number “n” is more than 9 units from 3
Helga [31]

Answer:

absolute vlaue inequality: |x-3| > 9; solved: x<-6 and x>12

Step-by-step explanation:

I’m going to start this off by saying I learned all this right now by just searching up how to solve an absolute inequality equation and watching one video, so this might not be an accurate explanation. (I’m pretty sure the answer’s right though)

So an absolute value inequality must be written like this:  

| x - a | *inequality* b

a is going to be the number that the inequality is centered around, in this case, 3. b will be how far you can deviate from that number, which in this case is 9.  

Now, you will have this:

|x - 3| *inequality* 9

Now, to find the inequality, you need to understand the wording. If it says “more than” as it does here, then you would have the greater-than symbol (>). If you have “less than” then you’d have the less-than symbol (<). If the problem says “at least b away” then it would be greater-than-or-equal to (≥), and likewise, if it says “at most b away” then it would be less-than-or-equal-to (≤).

So now we're at:

|x - 3| > 9

To solve the equation, you just need to subtract 9(b) from 3(a) and add 9(a) to 3(b) to get -6 and 12. Since x must be more than 9 units away, you would get:

x<-6 and x>12

Hope this is helpful!

6 0
3 years ago
Be helpful please !
kolbaska11 [484]

Answer:

ANSWER: angle <1 = 140°

3 0
3 years ago
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Step-by-step explanation:

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Model rocket is launched from a raised platform at a speed of 176 feet per second. Its height in feet is given by h(t)=-16t^2+17
Marat540 [252]
<span><span>The first step is to find the vertex. You do this by using the formula </span>\frac{-b}{2a}. 
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Plug in b and a into the equation: </span>\frac{-176}{2(-16)}
<span>
You get </span>5.5<span>

So, it takes 5.5 seconds to get to 504 feet
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8 0
3 years ago
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