Answer: 12
Step-by-step explanation:
f(2.5) = 2 x (2.5)^2 - 3 x 2.5 + 7
= 2 x 6.25 - 7.5 + 7
= 12.5 -7.5 + 7
= 5 + 7
= 12
Hope this helps!
The original price is @42. To check, find 10% of $42, which is $4.2. Now just subtract $4.2 from the original price, $42, and you get $37.8
Answer:
9.73 lb
Step-by-step explanation:
The total together is 235.68 lb. Taking away the weight of the table, 157.84, we are left with
235.68-157.84 = 77.84 for the weight of all of the chairs. Dividing this by 8 gives us the weight of one chair:
77.84/8 = 9.73
Answer:
Answer is 50 m squared
Step-by-step explanation:
What is the solution of 3x + 5 = 2x – 7?
the x-coordinates of the intersection point of the lines y = 3x + 5 and y = 2x – 7
the x-coordinates of the x-intercepts of the lines y = 3x + 5 and y = 2x – 7
the y-coordinate of the intersection point of the lines y = 3x + 5 and y = 2x – 7
the y-coordinates of the y-intercepts of the lines y = 3x + 5 and y = 2x – 7
It's the first choice. If we solve the simultaneous system
y = 3x + 5
y = 2x – 7
the x coordinate (there's only one) of the meet of the two lines tells us the value of x which satisfies 3x+5=2x-7
