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Alex777 [14]
3 years ago
14

3. Which is equivalent to the expression below?

Mathematics
1 answer:
alexgriva [62]3 years ago
8 0

Answer:

D. 2.2m + 4.5

Step-by-step explanation:

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A boat sails for 5 hours at 30 mph in a direction 164°56'. How far south has it sailed (to the nearest mile)?
Valentin [98]
Total distance covered = 5 x 30 = 150 miles
Angle of travel with respect to south pole = 180 - 164°56' = 15°4'

Let the distance southwards covered be x, then
cos 15°4' = x/150
Thus, x = 150 cos 15°4' = 144.84

Therefore, the distance covered southwards = 145 miles to the nearest mile.
5 0
3 years ago
PLEASE HELP ME !!!!!
Nuetrik [128]
I would say A. I hope I am right. I dunno if it would be A. or C.  But I think A would be the better pick.
4 0
3 years ago
PLS HELP HELP ME WITH THE QUESTION
Hunter-Best [27]

Answer:

hi there!

the correct answer to this question is: D. reflection over the y-axis

Step-by-step explanation:

point a remains constant while the other 2 turned negative

8 0
3 years ago
The quotient of 2 and a number subtracted from 17
Anna11 [10]
The answer to this question is 6
7 0
3 years ago
Five times the sum of a number and 3 is the same as 3 times the difference of twice the number and 1.
allochka39001 [22]

Answer:

12

Step-by-step explanation:

5(x+3) = 3(2x-1)

5x+15 = 6x-3

15-3 = 6x-5x

12 = x

x = 12

6 0
3 years ago
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