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Ilia_Sergeevich [38]
4 years ago
15

Pls pls pls help me solve this idk the answer. pls explain how u got your answer and how this works

Mathematics
1 answer:
miv72 [106K]4 years ago
8 0
We have 2  solid figures here and their volume = length*width * height,
So we find the volume of each solid then add them up.
Volume = length*width*height.

Take the small one first 
length = 15,  width = 14 and height = 16
so its volume is 14*15*16 =   3360 

Large solid:

Note that its length =  15 + 16 = 31 

its volume = 31*30*27 =  25,110

So the volume of the whole figure = 25,110 + 3360 =  28,470  (answer).
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Find the area of an equilateral triangle (regular 3 Gon) with the given measurement 9 in perimeter a=SQ.in
blsea [12.9K]

Answer:

3.897 in^{2}

Step-by-step explanation:

equilateral triangles are also equiangular, meaning the have equal angles.

Triangle sum theory says that angles of a triangle add up to 180.

That means each angle is 60.

A = bh/2

You need the (h). The base of is 3.  Perimeter = 9, so each side is 3

Draw a perpendicular line for the height. The line cuts the base in half (1.5)

Using trigonometry you can find the height.

tan 60° = h/1.5

h = height, 1.5 is half of 3, 60° is the base angle.

multiply each side by 1.5

1.5(tan 60°) = h

h=2.598

then substitute h into formula

A= <u>(2.598)(3) </u>

           2

A = 3.897 rounded

4 0
3 years ago
What is the value of
LiRa [457]

Answer:

2

Step-by-step explanation:

-8(17-12)

------------

-2(8-(-2)

= -8(5)

--------

-2(10)

= -40

----------

-20

<h2>Ans 2</h2>
4 0
4 years ago
What is the point slope form of a line that has a slope of five and passes through the point 3, -4
Vikki [24]

Answer:

y=5x-19

Step-by-step explanation:

This is it because you have to find the variable for b

5 0
3 years ago
the axis of symmetry of a quadratic equation is x = –3. if one of the zeroes of the equation is 4, what is the other zero?
FinnZ [79.3K]
ANSWER

The other zero is

x =  - 10

EXPLANATION

The axis of symmetry serves as the midpoint of the two zeroes.


We were given that the axis of symmetry of the quadratic equation is
x =  - 3


We were also given that, one of the zeroes of the quadratic equation is
x = 4


Let the other zero of the quadratic equation be
x = p

,then, we apply the midpoint formula to find the value of
p

Since it is the x-values of the intercepts that gives the solution, we use only the x-value part of the midpoint formula which is given by,




\frac{x_1 + x_2}{2}  = axis \: of \: symmetry

We substitute to obtain,

\frac{p + 4}{2}  =  - 3



We multiply through by 2 to get,

p + 4 =  - 6



This implies that,

p =  - 6 - 4

p =  - 10




3 0
3 years ago
Read 2 more answers
What is the slope between (2,1); (5,9)
lukranit [14]

Step-by-step explanation:

To find the slope, you divide the difference of the y-coordinates of 2 points on a line by the difference of the x-coordinates of those same 2 points.

8 0
3 years ago
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