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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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An envelope is 4 cm longer than it is wide. the area is 96 square centimeters. find the length and width.
Dennis_Churaev [7]
<span>So, L*W=A Because it is 4 cm longer, L=W+4 Because the area is 96, LW=96 Substitute to get W(W+4)=96 Multiply it out. W^2+4W-96=0 By solving the quadratic, W+12(W-8)=0 so either W+12 or W-8 is zero. The width must be positive, so the width is 8. Therefore the length is 12. 

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4 0
3 years ago
a certain shark has triangular teeth with a height that is 1 centimeter shorter than the base. if the area of one tooth is 1 squ
Advocard [28]

The Shark's teeth has a base of 2 cm and height of 1 cm.

Step-by-step explanation:

Step 1 :

Given,

the area of the shark's triangular teeth = 1 sq cm

Let b be the base and h be the height of the shark's triangular teeth.

We have the teeth's height is 1 cm short than the base

So  h = b - 1

Step 2 :

Area of Triangle  = (\frac{1}{2}) × b × h = 1

Substituting h = b -1

(\frac{1}{2}) × b × (b-1) = 1

=> b² - b = 2 = > b²-b-2 = 1

Solving for b we have

(b-2)(b+1) = 0

b = 2 or b = -1

Since b is the base , we take the positive value as length/distance cannot be negative.

So b = 2

h = b - 1 = 2 - 1 = 1

h = 1

Step 3 :

Answer :

The Shark's teeth has a base of 2 cm and height of 1 cm.

6 0
3 years ago
WILL MARK BRAINY!!!
Nat2105 [25]

Answer:

Approximately 4 gallons

Step-by-step explanation:

8 0
3 years ago
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How do you find the slope of a line?<br><br> (Change in Y / Change in X)
sukhopar [10]
In order to find the slope of a line, u must use the slope formula. Which is (y2-y1/x2-x1). For example if you had a set of coordinates that are (6,4) and (2,8) you would first sub the 8 from4 which gives you 4. The u do the same with 2 and 6 which gives u 4. After that you divide 4 by 4. and your answer is 1
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I need this one too
iren2701 [21]

Answer:

i would say 42

Step-by-step explanation:

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3 years ago
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