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Alex
3 years ago
10

Add 15, subtract 10 first term 4

Mathematics
2 answers:
Travka [436]3 years ago
8 0
The answer is nine if you do 4+15-10
romanna [79]3 years ago
3 0
Your answer should be 9 if   you start off with 4
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Describe two different ways that you could find the product 8 x 997 using mental math. Find the product and explain why your met
jolli1 [7]
One method is to round 997 up to 1000, multiply by 8, and then subtract 8 times 3. This would give you the solution of 7976.

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3 years ago
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8 0
3 years ago
Read 2 more answers
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kramer
How many red ones were in the bag?


6 0
3 years ago
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Crazy boy [7]
You will need three roots for this, so we have
Let x = -30, -10 and +20
So the factors will be (x+30)(x+10)(x-20)
The divide it to 100, this will help bring the peak up and down
So the polynomial function R(x) will become
1/100 * (x+30)(x+10)(x-20)
R(x) = 1/100 * (x+30)(x+10)(x-20)

Finding the X-intercept:
Let R(x) = 0 and solve for x.
1/100 * (x+30)(x+10)(x-20) = 0
x = -30, -10, 20 are the x-intercepts.

8 0
3 years ago
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