Answer:
y = -3
Step-by-step explanation:
So, first you need to plug in -4y-4 for x. So, 5(-4y-4) + 2y=34. Now, use the distributive property and now it will become -20y -20 + 2y = 34. Add like terms which would be -20y + 2y = -18y. Now the equation is -18y - 20 = 34. Now use inverse operations and add 20 to both sides. Then the equation will be -18y = 54. When you divide -18 on both sides, you get y=-3.
Hope this helps :)
Answer:
see the attachment photo!
6x - 15 = 90
6x = 90 + 15
6x = 105
x = 105/6
x = 17.5
Answer:
The pyramid with the greater volume has 5in^3 more sand
Step-by-step explanation:
Given
Pyramid A
-- Base Area
--- height
Pyramid B
See attachment for pyramids
The volume of a square pyramid is:
First, calculate the volume of pyramid A
Next, the volume of pyramid B
To calculate how much more sand the greater pyramid has, we simply calculate the absolute difference (d) between their volumes
Answer:
Surface area of a square prism = 4 × (s × h) = 4sh, where, s is the length of the side of the square and h is the height of the square prism.