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umka2103 [35]
3 years ago
10

Bob can row 5 mph In still water. He rows directly across a river flowing at 6 mph. Using vectors, find his resultant

Mathematics
1 answer:
Ivahew [28]3 years ago
7 0

Answer:

7.81mph

Step-by-step explanation:

Using the pythagoras theorem;

resultant r is expressed as;

r² = 5² + 6²

r² = 25 + 36

r² = 61

r =√61

r = 7.81mph

Hence the resultant speed is 7.81mph

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Zigmanuir [339]

Answer: The answer would be 40 liters

Step-by-step explanation:

first you would divide 2 by 10 which would equal 5 then multiple the 8 liters by 5 which gives you 40

8 0
3 years ago
Last week, Leah worked 25 hours on weekdays and 11 hours on the weekend. Which ratio compares the number of hours Leah worked on
Akimi4 [234]

Answer:

25:36

Step-by-step explanation:

the number of hours on weekdays which is 25, and the total hours she worked is 25+11 which is 36, so it is 25:36

4 0
3 years ago
HELP, PLATO!!!!!!!
Keith_Richards [23]

Answer:

the law of cosines with ABC

7 0
2 years ago
if angle 1 and angle 2 are vertical angles, angle 2 and angle 3 are complementary angles and the measure of angle 3 is 56 degree
dimulka [17.4K]

Answer:

34º

Step-by-step explanation: so basically you know a complementary angle is 2 angles that make a straight line and a vertical angle crosses which means 2 angles are congruent to each other so I drew a line that bisected the angle by drawing a line that cut through the right angle and i extended a line down from the right angle so now I have a vertical angle and a complementary so from here I labeled each angle <1 <2 <3  If I know angle 3 is 56º then I know 56 plus __ equals 90º I then subtracted 56 from 90 and I got 34 and since I am trying to figure out what angle 1 is I know that angle 1 and 2 are vertical angles therefore I know they are congruent to each other so <1 = 34º

6 0
3 years ago
You buy a car for $25,000. It depreciates at the rate of 23% per year.
Juliette [100K]

The worth of the car in 10 years is $1,831.67 using an exponential equation approach.

What is an exponential equation?

An exponential equation is the one with exponents such X^3(the 3 is the exponent)

The exponential equation required here is the one where the future value would be lower than current value because the car reduces in value year-in-year-out.

FV=PV*(1-r)^N

FV=future worth of the car

PV=today's value=$25,000

r=depreciation rate=-23%

N=number of years=10

The fact that r is negative means the car is depreciating not appreciating.

FV=$25,000*(1-23%)^10

FV=$1,831.67

Find further explanation on exponential equation below in the link:

brainly.com/question/11832081

#SPJ1

7 0
2 years ago
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