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Alexandra [31]
3 years ago
14

How do the mouth and stomach play a role in mechanical digestion

Mathematics
1 answer:
gizmo_the_mogwai [7]3 years ago
6 0
The mouth breaks down food by chewing it and the saliva mixes it by making the carbohydrates into sugar. the stomach breaks down the food by breaking down bacteria and acids
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Write y=-3x^2+12x-21 in vertex form
riadik2000 [5.3K]
Complete the square: 
<span>y = 3x^2 - 12x + 4 </span>
<span>y = 3(x^2 - 4x) + 4 </span>
<span>y = 3(x^2 - 4x + 4 - 4) + 4 </span>
<span>y = 3(x^2 - 4x + 4) - 12 + 4 </span>
<span>y = 3(x - 2)^2 - 8</span>
5 0
3 years ago
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A line passes through (−1, 7) and (2, 10). which answer is the equation of the line?
mart [117]
First you need to find the slope of the line. So what you need to do is y^2-y^1 / x^2-x^1

(x^1, y^1) (x^2, y^2)
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10-7/ 2- (-1)
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I got 8 as the y intercept. Reason how is that I made a table. And what I did was go back instead of going forward.

x y
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0 8
1 9
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The answer would be x= 1 y= x + 8 y=8 But the answer choice you listed for A. would not match up the 2 coordinate you gave. Make sure a. should be x= 1 y= x + 8 y=8, not -x y= 8-x y=8
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2 years ago
What is 3x+X short answer
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3 years ago
A cylinder has a height of 7 inches and a radius of 14 inches. What is its volume? Use a
icang [17]

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BaLLatris [955]
I am guessing Jack is 51 and Lacey is 17.

7 0
2 years ago
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