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Misha Larkins [42]
3 years ago
5

-2x+7y=14 It says it’s it’s to short so I’m writing this

Mathematics
1 answer:
sasho [114]3 years ago
6 0
I think the answer is x= -7 +7/2y
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Question Help
lorasvet [3.4K]

Answer:

The speed of the boat is 20 km/hr

Step-by-step explanation:

Let s be the speed of boat in still water

Let d be the distance

Upstream speed = s-4

Jane took 30 min to drive her boat upstream to water-ski at her favorite spot.

So, Distance traveled in upstream =Speed \times time =(s-4) \times \frac{30}{60}

Downstream speed = s+4

So, Distance traveled in downstream = Speed \times time =(s+4) \times \frac{20}{60}

So, (s-4) \times \frac{30}{60}=(s+4) \times \frac{20}{60}

30s-120=20s+80

10s=200

s=20

Hence The speed of the boat is 20 km/hr

6 0
3 years ago
Somebody please help it would be much appreciated.
Sav [38]

Answer:

25

Step-by-step explanation:

as you can see test a is further away from the ruler you have to put it at 0 so that you can get your answer I am not sure if it's correct or not

7 0
3 years ago
Read 2 more answers
A club elects a president, vice president and secretary treasurer. How many sets of officers are possible if there are 8 members
IrinaK [193]

Answer:

TRUMP RULES

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
14-(11+5)×3+2<br>answer the question
aleksandrvk [35]

14 - (11 + 5) * 3 + 2

Solve inside the parentheses first (11 + 5).

14 - (16) * 3 + 2

Solve multiplication next (16 * 3).

14 - 48 + 2

Solve from left to right.

-34 + 2 = -32

Your answer is -32.

5 0
3 years ago
Solve for x and show all your work <br><br> 3x + 4 = 16
ICE Princess25 [194]

Answer:

x=4

Step-by-step explanation:

16-4=12

3x=12

3*4=12

8 0
3 years ago
Read 2 more answers
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