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Llana [10]
2 years ago
15

A2b2c2 for a = 2, b = 3, and c = 4.

Mathematics
1 answer:
aliya0001 [1]2 years ago
5 0

Answer:

576

Step-by-step explanation:

2^2 x 3^2 x 4^2

4 x 9 x 16

36 x 16

576

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A jar at the fishing shop holds 72 worms. A cup holds 8 worms. How many times
Anettt [7]

Answer:

9 times. 72/8=t or 72=8t.

Explanation:

I'm afraid the answer choices are slightly mixed up, but acceptable answers would probably include 72/8=t or 72=8t. Simply put the two numbers into a fraction (72/8) to get how many times larger or smaller the thing is. In this case, it would be 9 times as many worms.

5 0
3 years ago
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Anwers : <br> a. dotted<br> b. y=-x+4<br> c. y=x-4<br> d. y=x+1<br> e. solid<br> f. yes<br> g. no
Ksenya-84 [330]

Answer:

Those answers are correct

5 0
2 years ago
Which points on the curve of x^2 - xy - y^2 = 5 have vertical tangent lines?
algol [13]

We need to differentiate this with respect to x to see if we can find an expression for the derivative of y at various points.  That will be the slope of the tangent to the curve.  Then we want to see where that derivative might be infinite -- i.e., where the tangent is vertical.

 

It's not written as a function, but it can still be differentiated using the chain rule:

 

x2 + xy + y2 = 3

(2x) + (x dy/dx + y dx/dx) + (2y dy/dx) = 0

 

(I used parentheses to show the differentiation of each term in the original equation.)

 

2x + x dy/dx + y + 2y dy/dx = 0

2x + y = -x dy/dx - 2y dy/dx

2x + y = dy/dx (-x -2y)

-(2x + y)/(x + 2y) = dy/dx

 

We have the derivative of y, but it's defined partly in terms of y itself.  That's OK.  Let's go on...

 

So where would the slope be infinite?  That would happen when x + 2y = 0, or y = -x/2

 

Let's plug that in for y in the original equation to find points where that's the case.

 

x2 + xy + y2 = 3

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x2 = 4

x = ±2

 

So we have two x values where the tangent might be vertical.  Let's plug them into the equation and see what the y values are.  First x = 2...

 

x2 + xy + y2 = 3

4 + 2y + y2 = 3

y2 + 2y + 1 = 0

(y + 1)2 = 0

y = -1

 

So at the point (2, -1) the tangent is vertical.

 

Now try x = -2...

 

x2 + xy + y2 = 3

4 - 2y + y2 = 3

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y = 1

 

So at the point (-2, 1) the tangent is vertical.

8 0
2 years ago
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iris [78.8K]

Answer:

all rational numbers are intergers

Step-by-step explanation:

Every integer is a rational number, since each integer n can be written in the form n/1. For example 5 = 5/1 and thus 5 is a rational number

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Answer: x=12

Srry if its wong!

Hope this helps!

Step-by-step explanation:

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3 years ago
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