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Jobisdone [24]
3 years ago
10

Find the surface area of the pyramid. The triangular base has a height of 8 units and a base of 12 units. What is the base area?

What is the lateral area? What is the surface area?
Mathematics
2 answers:
Inga [223]3 years ago
7 0

Answer:

Base area is 48 lateral is 221.6 and surface area is 269.6

Step-by-step explanation:

USPshnik [31]3 years ago
4 0

Answer:

Base area is 48 lateral is 221.6 and surface area is 269.6

Step-by-step explanation:

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Equation of a line with a slope of -3 that passes through point (6,9)?
Serjik [45]

Answer:

<u>Point-slope form: y-9 = -3(x - 6)</u>

<u>Standard form: y = -3x+27</u>

Step-by-step explanation:

The point-slope form equation is y - y1 = m(x - x1). Because we are trying to find the equation that passes through (6,9), use these values as x1 and y1. In this equation m is the slope and we are also given that the slope is -3. This means that the equation in point-slope form is y-9 = -3(x - 6).

If it is asked for the equation in standard form, some simple moving of terms can accomplish that. Multiply out the -3 and get y-9 = -3x + 18. Add 9 to both sides to get a final answer of y = -3x+27.

7 0
4 years ago
Please help, will be greatful!
zvonat [6]

Answer:

y is 8

Step-by-step explanation:

First u do 13y-9y=4y

so you then have 4y-5=27

then you plus 5 to 27

u then have 4y=32

then divide 32 by 4

so you will get y=8

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3 years ago
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