So a triangular prisim is like a triangle stacked on top of x number of identical triangles making a height, like a piece of paper made into a stack
so
basically find the area of each side and add
look at diagram/attachment
find area of triangle
1/2 b times h= area of 1 triangular face
multiply by 2 because 2 sides so 1/2 times 2 b times h=b times h
then 3 other sides
find area of each side and add
areas=(H times B)+(H times c)+(H times a)
so SA=(b times H)+(H times B)+(H times c)+(H times a)
Number of eggs that can be bought from the shop must be in the form
E=4k + 6m + 9n + 20j
I will continue later ~
Once the rock hits the ground, we know that its height will be equal to 0m
because of this, we can replace H(x) with 0

now all we have to do is get x by itself
so..

then


now take the square root of each side

2.857 seconds (rounded to the third decimal)
2 x
----- = ------
3 15
cross multiply
(3)(x) = (15)(2)
3x = 30
x = 30/3
x = 10
so 2/3 = 10/15.......notice how these are equivalent fractions....that is because proportions are nothing but equivalent fractions
Answer:
Ur right! The answer is y = 6
Step-by-step explanation:
So, we have the equation of -2y + 7 = -5.
So, if y = 6, it would now be (-2 * 6) + 7 = -5.
Now, lets solve:
(-2 * 6) + 7
-12 + 7
= -5
So, ur answer is A. y = 6.
Hope this helps :DD