Um I think 4 i hope this helps
Answer:
8h+(-5.9d)-17+4d-3.4h
8h-5.9d-17+4d-3.4h
group the like terms
8h-3.4h+4d-5.9d-17
4.6h-1.9d-17
Step-by-step explanation:
Answer:
the answer is a: (x+1)(x-7)
tiles are needed .
<u>Step-by-step explanation:</u>
Here we have , Raj builds a side table in the shape of a cube. Each edge of the cube measures 15 inches. Raj wants to cover the top and four sides of the table with ceramic tiles. Each tile has an edge length of 5 inches. We need to find How many tiles will he need . Let's find out:
Total area to be covered by tile for covering the top and four sides of the table is
⇒
⇒ , Where a is edge of the cube measures 15 inches So , Area :
⇒
⇒
⇒
Now , Area of each tile is :
⇒ , Where side is edge length of 5 inches
⇒
⇒
So , Number of tile needed is
⇒
⇒
Therefore , tiles are needed .