The total distance that the family has driven is the sum of the distances from Phoenix to San Francisco,
d = sqrt ((5 - -16)² + (-36 - -12)²) = 10.63
from San Francisco to Blythe,
d = sqrt ((-9 - 5)² + (-20 - -36)²) = 21.26
from Blythe to Los Angeles,
d = sqrt ((-4 - -9)² + (-33 - - 20)²) = 5.83
Adding the distances, we get 37.72.
Answer:
Step-by-step explanation:
To find the distance between two points, 
and 
, you can use the following distance formula:
Plugging in the points from the problem, you'll get the following:
Answer:
X = 8, y = 8
Step-by-step explanation:
This question is an optimization problem. Two equations are going to be needed here
n = x+y
P = xy
Such that 64 = xy
When we divide through by x we get:
y = 64/x
So that n becomes:
n = x + 64/x
n = x+64x^-1
We take derivative
n' = 1-64x^-2
When n' = 0 then a min|max occurs
0 = 1-64x^-2
Such that:
64/x² = 1
Divide through by x²
64 = x²
x = √64
x = 8
Remember y = 64/x
So,
Y = 64/8
Y = 8.
X = 8, y = 8
Thank you!
Answer:
The amount of discount $70
New price $130
Step-by-step explanation:
To find how much 35% of 200 is, we multiply 200 with 35 then divide it with 100
200 × 35 ÷ 100 = 70 the bike's price is reduced by 70$ and the new price
20ü - 70 = 170$
370
expalnation
subtract 18 from 55 and get 37
then times by 10
