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Bond [772]
3 years ago
5

How do you do surface area and volume?

Mathematics
2 answers:
faust18 [17]3 years ago
5 0
Depending on what shape or figure you are talking about, generally volume= Bh B= area of the base and for area greatly depend on what the object is.
square= side cubed 
rectangle= L time H
triangle= base time height divided by 2
circle= pi time radius cubed 
that should get you through what you need.
marissa [1.9K]3 years ago
4 0
Prism; Surface area = Lateral Area + 2(base) 
            Volume = Base times height
Cylinder; surface area = lateral area + 2(base) 
               Volume = Base times height
Pyramid; Surface area = Lateral times base
                Volume = 1/3 base times height
Cone; Surface area= Lateral area + base 
           Volume= 1/3 base times height
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What are the factors of 45
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The factors of 45 are: 1, 3, 5, 9, 15, 45

Which numbers multiply together to equal 45?
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4. Diego is thinking of two positive numbers. He says, "If we triple the first number and
aleksandr82 [10.1K]

Answer:

3<em>x </em>+ 2<em>y</em> = 34. and two possible pairs of positive numbers are  (<em>x</em>, <em>y</em>) = (10, 2) and (<em>x</em>, <em>y</em>) = (4, 11).

Step-by-step explanation:

 Let the First positive number be <em>x</em> and second positive number be <em>y.</em>

Triple of first number = 3<em>x</em>

double of second number = 2<em>y</em>

According to question,

3<em>x </em>+ 2<em>y</em> = 34

Therefore, the equation is 3<em>x </em>+ 2<em>y</em> = 34

So the two possible pair of numbers Diego would be thinking of must satisfy the equation 3<em>x </em>+ 2<em>y</em> = 34

Now,  3<em>x </em>+ 2<em>y</em> = 34

3<em>x </em>= 34 - 2<em>y</em>

Let x = 10 and by substituting its value in above expression,

3 \times 10 = 34 - 2y

30 = 34 - 2y

2y = 34 - 30

2y = 4

y = 2

Therefore first pair (<em>x</em>, <em>y</em>) = (10, 2)

In the same way put x = 4 then,

3<em>x </em>= 34 - 2<em>y</em>

3 \times 4 = 34 - 2y

2y = 34 - 12

2y = 22

y = 11

Therefore first pair (<em>x</em>, <em>y</em>) = (4, 11)

Therefore, (<em>x</em>, <em>y</em>) = (4, 11) and  (<em>x</em>, <em>y</em>) = (10, 2) are the two possible pairs of numbers Diego could be thinking of as these both values satisfy the equation 3<em>x </em>+ 2<em>y</em> = 34.  

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3 years ago
What is equinlents to (3-2x)(4x-7)
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Answer:

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Step-by-step explanation:

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