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nordsb [41]
2 years ago
7

When he doubles the first one and add on thr second he gets 17 when he triples the first one and subtract the second one he gets

18 find the two numbers
Mathematics
1 answer:
GREYUIT [131]2 years ago
4 0

Step-by-step explanation:

2A + B = 17

3A - B = 18

5A = 35, A = 7, B = 3

Hence the numbers are 7 and 3.

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I WILL GIVE BRAINLIEST
EleoNora [17]

Answer:

Concept: Inverse Functions

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  2. Now we combine that result to get
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3 years ago
A log raft is moving downstream at a speed of 3 km/h. To insure that there are no river jams a supervisor travels along the raft
skad [1K]

Answer:

2000 meters

Step-by-step explanation:

When the motorboat is moving downstream, its speed relative to the ground is 18 km/h, so its speed relative to the raft is 15 km/h.

When the motorboat is moving upstream, its speed relative to the ground is 12 km/h, so its speed relative to the raft is again 15 km/h.

Converted to m/min, the relative speed is:

15 km/h × (1000 m/km) × (1 h / 60 min) = 250 m/min

It takes the motorboat 16 minutes to travel to the front of the raft and back.  Since the speed is the same in both directions, the motorboat takes 8 minutes to travel the length of the raft.

So the length of the raft is 250×8 = 2000 meters.

8 0
3 years ago
Glenn and Maggie own a regional chain of juice bars and are looking to expand in the coming year. They already have fifty shops,
Vladimir79 [104]

Answer: A commercial bank.

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Step-by-step explanation:

Commercial banks are financial institutions whose functions, among many, are: offering banking services to individuals, groups and companies, to make profit. One of the roles performed by these types of financial institutions is to credit loans to individuals, small businesses, and other groups, and as such, they are the first line to which a small business, such as the one controlled by Glenn and Maggie, would go to, to request a loan to be able to open up their other branches. This bank would give them the loan and allow them to make profit, without having any ties to the banking institution, just as long as they return the investment given to them.

3 0
3 years ago
Read 2 more answers
What digit in the thousands place in the decimal 5765.903
pantera1 [17]

Answer: 5

Step-by-step explanation:

5765.903

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3 0
3 years ago
which ordered pair is a solution to the system?. {x+4y=19. {y=-2x-4. . a) (-5, 6). b) (-2, 0). c) (3, 4). d) (7,3)
jarptica [38.1K]

Apply substitution

x+4(-2x-4)=19

x – 8x – 16 = 19

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Then substitute this value to the other equation

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the answer is then letter A. (-5,6)

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3 years ago
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