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goldenfox [79]
3 years ago
10

Evaluate the expression when n=3 2 1/2 + 1/2n

Mathematics
1 answer:
kiruha [24]3 years ago
8 0

\huge\text{Hey there!}

\large\boxed{\mathsf{2\dfrac{1}{2} + \dfrac{1}{2}n}}\\\large\boxed{\large\mathsf{\rightarrow 2\dfrac{1}{2}+\dfrac{1}{2}(3)}}\\\large\boxed{\rightarrow\mathsf{\dfrac{3}{2}+\dfrac{3}{2}}}\\\large\boxed{\rightarrow\mathsf{\dfrac{3+3}{2+0}}}}\\\large\boxed{\mathsf{\rightarrow \dfrac{6}{2}}}\\\large\boxed{\rightarrow\mathsf{6\div2}}\\\huge\boxed{\textsf{Therefore, your answer: 3}}

Good luck on your assignment and enjoy your day!

~\frak{Amphitrite1040:)}

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Find the value of x when m<2 = x + 64​
polet [3.4K]

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-9

Step-by-step explanation:

The triangle has two sides that are the same, so it is an isosceles triangle.  Therefore, the base angles are the same.

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The length of the base edge of a pyramid with a regular hexagon base is represented as x. The height of the pyramid is 3 times l
sergij07 [2.7K]

Answer:

(a)

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(b)

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(c)

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(d)

V=\frac{3\sqrt{3} }{2} x^3 units^3

Step-by-step explanation:

We are given a regular hexagon pyramid

Since, it is regular hexagon

so, value of edge of all sides must be same

The length of the base edge of a pyramid with a regular hexagon base is represented as x

so, edge of base =x

b=x

Let's assume each blank spaces as a , b , c, d

we will find value for each spaces

(a)

The height of the pyramid is 3 times longer than the base edge

so, height =3*edge of base

height=3x

h=3x

(b)

Since, it is in units^2

so, it is given to find area

we know that

area of equilateral triangle is

=\frac{\sqrt{3} }{4} b^2

h=3x

b=x

now, we can plug values

A=\frac{\sqrt{3} }{4} x^2

(c)

we know that

there are six such triangles in the base of hexagon

So,

Area of base of hexagon = 6* (area of triangle)

Area of base of hexagon is

=6\times \frac{\sqrt{3} }{4} x^2

=\frac{3\sqrt{3} }{2} x^2

(d)

Volume=(1/3)* (Area of hexagon)*(height of pyramid)

now, we can plug values

Volume is

=\frac{1}{3}\times\frac{3\sqrt{3} }{2} x^2\times (3x)

V=\frac{3\sqrt{3} }{2} x^3 units^3


3 0
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Read 2 more answers
I need help on this math problem ​
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