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Kay [80]
3 years ago
9

Find the slope between (-3,7) and (2,-3)

Mathematics
1 answer:
Ne4ueva [31]3 years ago
7 0

Answer:

5.7

Step-by-step explanation:

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3. A cone has a heighth and a base with radius r. You want to change the cone so its volume is tripled. What is the new height i
Sphinxa [80]

Answer:

Hence the new height  is 3 times the original height .(h1=3h)

Step-by-step explanation:

Given:

A cone with  has height and base with radius r .

To Find:

What is new height

Solution:

Consider as cone with height h base radius r, and volume v

Here given that only height changes for the cone  i.e. r remains the unchanged or same or constant

The volume for a regular cone is given by ,

V=pie*r^2*h/3

Here V is directly proportional to h i.ee pie ,3 and r being constant

V=K*h

i.e V/h=constant

V1 and h1 are new dimensions for new cone

V/h=V1/h1

Here V1=3V

So V/h=3V/h1

1/h=3/h1

i.e  h1=3h

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4 0
3 years ago
1. Name angle 'x' <br><br>2. calculate the size of angle 'y' <br><br>​
Burka [1]

Answer:

<h2><u><em>y = 70°</em></u></h2>

Step-by-step explanation:

x = 35° (opposite agles)

y = 180 - 35 - 75

y = 70

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check 35 + 75 + 70 = 180°

the answer is good

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Answer:

Step-by-step explanation:

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2 years ago
Select all expressions that are equivalent to 2x+2+4x-2x-5 **
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The answer that you’re looking for is B & D
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