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Scorpion4ik [409]
3 years ago
14

The speed of a stream is 2 mph. A boat travels 20 miles upstream in the same time it takes to travel 40 miles downstream. What i

s the speed of the boat in still water?
The speed of the boat in still water is mph.
(Simplify your answer. Type an integer or a decimal.)

Mathematics
1 answer:
Xelga [282]3 years ago
5 0

Answer: The speed of a stream is 4 mph. A boat travels 7 miles upstream in the same time it takes to travel 15 miles downstream. What is the speed of the boat in still water…

Step-by-step explanation: The speed of a stream is 4 mph. A boat travels 7 miles upstream in the same time it takes to travel 15 miles downstream. What is the speed of the boat in still water?

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James wants to make up lolly bags for his son's birthday party. He has 30 jelly snakes, 75 jelly beans, 60 chewy mints and 15 mi
Viktor [21]

Answer:

There can be 15 bags, each will contain 1 mini chocolate bar, 2 jelly snakes, 4 chewy mints, and 5 jelly beans.

Step-by-step explanation:

Every number is divisible by 15, so you can evenly distribute the candy among the bags.

3 0
3 years ago
Please show work for both problems
kirill [66]

Answer:

3)  x = 15; 95 and 85      4)  x = 12; 98 for both angles

Step-by-step explanation:

2x + 65 + 3x + 40 = 180       Set the equations equal to 180

5x + 105 = 180                      Combine like terms

     - 105  - 105                      Subtract 105 from both sides

5x = 75                                  Divide both sides by 5

x = 15

Plug 15 into both equations

2(15) + 65 = 95

3(15) + 40 = 85

4)  5x + 38 = 9x - 10             Set the equations equal to each other

  - 5x          - 5x                    Subtract 5x from both sides

 38 = 4x - 10

+ 10       + 10                         Add 10 to both sides

48 = 4x                                  Divide both sides by 4

12 = x

Plug 12 into both equations

5(12) + 38 = 98

9(12) - 10 = 98

6 0
3 years ago
12 Need help. I can’t fail this!!
jonny [76]
the second one

reason:
the difference or the triangles is 1/3
4 0
3 years ago
Read 2 more answers
What are the solutions of 12 - x2 =0?
butalik [34]
I hope that i helped ;D

3 0
2 years ago
How do I do this problem?
Elena-2011 [213]

Answer:

Easy

Step-by-step explanation:

Just answe the dam thing

6 0
3 years ago
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