Answer: x = - 8
Step-by-step explanation:
= 8
cross multiplying , we have
8 ( 7 + x) = x
Expanding the Left Hand Side of the equation , we have :
56 + 8x = x collecting the like terms , we have
56 = x - 8x
56 = -7x
dividing through by - 7 we have :
- 8 = x
Therefore :
x = -8
Answer:6.5%
Step-by-step explanation:
There are 4, number three cards and 4 diamond cards in a deck of 52 cards. Divide 52 by 8.
4/8x - 6 = - 24
First you want to get the x term by itself:
add 6 to both sides:
4/8x = - 18
now isolate x from the numbers:
multiply both sides by 8/4:
x = -36
Answer: 113.0cm²
Step-by-step explanation:
The surface area if a square is calculated as:
= 4πr²
where, radius = 3cm
Surface area = 4πr²
= 4 × 3.14 × 3²
= 4 × 3.14 × 9
= 113.04
= 113.0cm²
Therefore, the surface area is 113.0cm²