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3 years ago

HOW IS FINDING VOLUME DIFFERENT FROM FINDING AREA ?

Mathematics

2 answers:

IrinaVladis [17]3 years ago

7 0

Area is 2 dimensional while volume is three dimensional.

yawa3891 [41]3 years ago

4 0

What starrynightsky said is correct but the mathmatical equation for area is length x width but volume is length x width x height since its 3D

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Which is a good comparison of the estimated sum and the actual sum of 7 10/12+2 11/12

notka56 [123]

The answer will be 9 1/12 because if you add them up you get 11/12. So the mixed number would be 9 1/12

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3 years ago

Find the sum of 10x^2-10x-6 and x+6.

Andre45 [30]

Answer:

10x²−9x

Step-by-step explanation:

10x²−10x−6+x+6

=10x²−10x−6+x+6

Combine Like Terms:

=10x²−10x−6+x+6

=(10x²)+(−10x+x)+(−6+6)

=10x²−9x

Hope this helps!

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2 years ago

If a varies directly as b, and a = 28 when b = 7, find b when a = 5.

Jlenok [28]

Answer:

Value of b = $\frac{5}{4}$ =1.25.

Step-by-step explanation:

Direct Variation states that a relationship between two variables in which one is a constant multiple of the other.

*if one variable changes the other changes in proportion to the first.

*If a is directly proportional to b i.e,

$a \propto b$ then it is of the form

a = kb ;where k is constant variation.

Given: a varies directly as b;

then, by definition of direct variation;

we have;

$a = kb$ .....[1]

Substitute the value of a =28 and b =7 to solve for k;

$28 = k(7)$

Divide both sides by 7 we have;

$\frac{28}{7}=\frac{7k}{7}$

Simplify:

k =4

now, find b using same method when a =5;

then;

after substituting the value of a = 5 and k=4 in [1] ;

$5=(4)b$

Divide by 4 to both sides we get;

$b =\frac{5}{4}$

Therefore, the value of b = $\frac{5}{4}$ =1.25

4 0

2 years ago

Read 2 more answers

Which is a quadratic function? f(x) = 2x x 3 f(x) = 0x^2 – 4x 7 f(x) = 5x^2 – 4x 5 f(x) = 3x^3 2x 2

saw5 [17]

It's f(x) = 5x^2 - 4x + 5

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3 years ago

will be BRAINLIEST if answered fast What does finding a balance in the use of drones mean? Is FAA working to find a balance? why

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In this article, professor Hillary Farber talks about 'finding balance' in the use of drones by this she means that we need to find a way that we can use drones and have privacy and be safe. I believe that FAA is working to find a balance because they created new rules for the use of drones. Also, they created a national drone registry or list.

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2 years ago