Olivia is staying in a cottage along a beautiful and straight shoreline. A point Q on the shoreline is located 4 kilometers east of the cottage, and an island is located 2 kilometers north of Q (see image
below). Olivia plans to travel from the cottage to the island by some combination of walking and
swimming. She can start to swim at any point P between the cottage and the point Q. If she walks at a
rate of 3 km/hr and swims at a rate of 2 km/hr, what is the minimum possible time it will take Olivia to
reach the island?
You may enter an exact answer or round to the nearest hundredth of an hour.
Island
Water 2 km
Cottage
Q
Shoreline 4 km

step-by-step explanation:

hans did not square the 40-unit side; he merely multiplied it by 2.   incorrect.

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

click to let others know, how is it

0.0

0 votes

1

report

read more on -

step-by-step explanation:

step-by-step explanation:

what is the figure? attach a picture.

answer: the four apples you took away.

step-by-step explanation: