Answer:
x= 9
Step-by-step explanation:
Move the terms -> -1=14x = -12x + 16
Find out the sum -> 2x=17+1
Divide both by the equation by two -> 2x=18 x=9
Final answer: x=9
Answer: True
Explanation: hope this help
Answer: Claire is 18 and her mother is 40
Step-by-step explanation:
Answer:
a. 90
b. 360
Step-by-step explanation:
The time taken by humming bird to flap its wings= 0.08 sec
by flying 7.2 seconds a typical giant hummingbird flap its wings
times
= 90 times
Since, A ruby-throated hummingbird can flap its wings 4 times faster than a giant hummingbird, it will flap its wings in every 0.02 sec
so in 7.2 seconds it will flap
times = 360 times
The left side can be written as a square. We can take the square root, then subtract 1.
... (x +1)² = 17
... x +1 = ±√17
... x = -1 ±√17