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Karolina [17]
2 years ago
13

A triangular pyramid has lateral faces with bases of 6 meters and height of 9 meters. The area of the base of the pyramid 15.6 m

eters . What is the surface area of the pyramid?
Mathematics
1 answer:
jasenka [17]2 years ago
7 0
To find surface area, you can find the area od all sides and add them together
First, area of an triangle is 1/2 length times width
So you do 1/2 6*9= 1/2 54=  27  The area of the three triangles are 27
27 times 3 is  81
81 plus the base of 15.6 is 96.6
The surface area is 96.6 meters squared

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Mkey [24]

9514 1404 393

Answer:

  4mn/(3m+12)

Step-by-step explanation:

It is often helpful to factor expressions so that common factors can cancel.

  \dfrac{8n^2}{m^2-16}\times\dfrac{m^2-4m}{6n}=\dfrac{8mn^2(m-4)}{6n(m-4)(m+4)}=\dfrac{4mn}{3(m+4)}\\\\=\boxed{\dfrac{4mn}{3m+12}}

3 0
2 years ago
What is the slope intercept of the equation of the line through the given point (0,3) and (-4,-1)
cestrela7 [59]

Answer:

y=x+3

Step-by-step explanation:

1.) Find slope

slope = (-1-3)/(-4-0)

= -4/-4

= 1

2.) Use point slope form

<u>y-y1= m (x-x1) </u>

both x1 and y1 are the points

m is the slope

3.) Plug in the numbers

for the points I chose (0,3) to plug in

y-3= 1 (x1-0)

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8 0
3 years ago
Please help asap! i don’t know what the answer is!
miss Akunina [59]

Answer:

I think its B

Step-by-step explanation:

I think it is B because 4*2=8 if I am wrong please tell me and i will double check and make sure i give you the right answer

5 0
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What is the slope between the two points?<br> (6,8 ) and (-3, 8 )
Marta_Voda [28]

Answer:

slope=0

Step-by-step explanation:

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Equation of the line:

y = 0x + 8

When x=0, y = 8

5 0
3 years ago
Read 2 more answers
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