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Marianna [84]
3 years ago
9

Where do the parentheses go and solve 3×14=3×2×7=3×2×7=×7

Mathematics
1 answer:
grin007 [14]3 years ago
8 0

Answer:

I  don't think this is a real math equation.

Step-by-step explanation:

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What is the slope of this skateboard ramp if it rises 1.2 meters above the ground and runs 4 meters horizontally at the base?
Nesterboy [21]
By definition, the slope is the inclination of a line in relation to the horizontal. It can be expressed in degrees, ratios and even in percent. Therefore, you can calculate it by applying the following formula:
 
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 H is the height (H=1.2 meters).
 L is the length (L=4 meters).
 
 When you substitute these values into the formula P%=(H/L)x100, you obtain the slope of the skateboard ramp:
 
 P%=(H/L)x100
 P%=(1.2 meter/4 meters)x100
 P%=0.30x100
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Find the circumference of a circle that has a radius of 21 inches.<br><br> How do you do this
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Answer:

it is 27

Step-by-step explanation:

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Help pls! Idk what to do with this one.
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2 years ago
How do your solve multipling Polynomial
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3 years ago
1. Create an expression, containing at least two variables, that can be factored using the sum of two cubes identity.
podryga [215]
Remember that the sum of tow cubes identity is: a^3+b^3=(a+b)(a^2-ab+b^2)
So, to create our expression<span>, containing at least two variables, that can be factored using the sum of two cubes, we just need to replace </span>a and b with tow monomials with a different variable:
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Lets replace those values in our identity: 
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Now that we have our expression, lets factor it using the sum of two cubes identity:
x^3+y^3=(x+y)(x^2-xy+y^2)
To verify if the factored form of our expression (right hand side) is equivalent to the original form (left hand side), we are going to expand the right hand side:
x^3+y^3=(x+y)(x^2-xy+y^2)
x^3+y^3=x^3-x^2y+xy^2+x^2y-xy^2+y^3
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Since both sides of the equation are equal, we can conduce that the factored form of our expression is equivalent to the original expression.

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