You need a common numerator in order to add or subract two fractions. O True O False

Mathematics

1 answer:

Maru [420]3 years ago

8 0

Answer: false you only need that for a denomenater

Step-by-step explanation:

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If f(x) = -2x2 + x – 5, what is f(3)?

exis [7]

F(3)=2x2-3-5

= 4-3-5

=1-5

=-4

8 0

3 years ago

Help due soon plss!!!!

Gelneren [198K]

Answer:

Cube=150cm^2

Triangular Prism=228ft^2

Step-by-step explanation:

Cube

$A=6a^2=6*5^2=150cm^2$

Triangular prism

Using these formulas

$A=2A_{B}+(a+b+c)h\\A_{B} =\sqrt{s(s*a)(s*b)(s*c)} \\s=\frac{a+b+c}{2}$

Solving for A

$A=ah+bh+ch+\frac{1}{2} \sqrt{-a^4+2(ab)^2+2(ac)^2-b^4+2(bc)^2-c^4} \\=6.5*11+5*11+6.5*11+\frac{1}{2} *\sqrt{-6.5^4+2*(6.5*5)^2+2*(6.5*6.5)^2-5^4+2*(5*6.5)^2-6.5^4} \\=228ft^2$

5 0

3 years ago

How does a residential survey help buyers?

Gnoma [55]

<span>C) buyers are aware of the accurate measurements of the property. A residential survey is also known as a boundary survey and is used to determine the boundaries of a piece of property. It is generally required as part of the process of building new construction on a property to insure that the construction doesn't cross the property line and intrude on someone else's property. With this in mind, only option "C" reflects what a residential survey is.</span>

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3 years ago

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Select a number that can complete the equation so that it has no solution. 6(x-7/6)=6x+__

BlackZzzverrR [31]