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abruzzese [7]
3 years ago
9

I need help with one and two please!

Mathematics
1 answer:
Dmitrij [34]3 years ago
7 0

Answer:

Step-by-step explanation:

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Someone please help and explain it would really help
Vaselesa [24]

So when you're solving for x here and distribute 8 on the right side, it would look like this:

8x+47=8(x+5)\\ \\ 8x+47=8x+40

Now in order to solve for x, we know we have to get all the x's on one side of the equal sign. Let's get all our x's to the left side. Since the right side has a positive 8x, you need to subtract 8x on the right. But whatever you do to one side you must do to the other. So since we are subtracting 8x on the right, we need to do that on the left.

But we can't! Since both sides will cancel out to zero before x can be solved.

Therefore the answer is 0.

Hope that helps!

8 0
3 years ago
D/dx (5x4) - (2x³) - (x²)
My name is Ann [436]
\bf y=5x^4-2x^3-x^2\implies \cfrac{dy}{dx}=20x^3-6x^2-2
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3 years ago
Help please ASAP!! ​
Natasha2012 [34]
Both are irrational. i hope this helps!
5 0
3 years ago
Paul bought 18 pins for $90. Jack bought 45 pins for $180. Who bought pins at the lowest cost?
lina2011 [118]

Answer:

Jack

Step-by-step explanation:

90/18 = 5

180/45 = 4

3 0
2 years ago
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Sharon pays $98.75 for twenty-five 14-ounce boxes of Yummy flakes cereal. How much does on box of cereal cost
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Step-by-step explanation:

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