Answer:
a=14
b=6
c=5
Step-by-step explanation:




14 ±6
Answer:
0.0009
Step-by-step explanation:
Answer:
256m²
Step-by-step explanation:
A=1/2{(b+b)×h}
A=1/2{(13+19)×16}
A=1/2(32×16)
A=1/2(512)
A=256
Answer:
A pound of potato costs $3.10
A dozen egg costs $5.5
A wheel of cheese costs $6.25
Step-by-step explanation:
Represent
- a dozen egg with D
- a wheel of cheese with W
- a pound of potato with P
For Adam:
---- (1)
For Barry:
---- (2)
For Charles:
---- (3)
Make D the subject in (2)

Substitute 36.50 - 10P for D in (3)



Collect Like Terms



Solve for P


Substitute 3.1 for P in 



Substitute 3.1 for P and 5.5 for D in 


Solve for W


Answer:

Step-by-step explanation:
Given that Brahmagupta’s solution to a quadratic equation of the form
involved only one solution.
we have to find the solution for the equation

is

is


