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2 years ago

PLZZZ HELP U WILL ALSO GET POINTS DUE TODAY AND I WILL GIVE U BRAINLIEST IF CORRECT

Mathematics

2 answers:

Paha777 [63]2 years ago

8 0

Answer:

your answer would be 3/10.

Step-by-step explanation:

you divide both 9/30 by 3

kramer2 years ago

5 0

Answer:

3/10

Step-by-step explanation:

The first step is to find the greatest common factor, in this case it's 3.

Then divide the 9 by 3, which is 3.

Next you divide 30 by 3 which is 10

When simplifying a fraction you don't flip the numerator and denominator, so you put the simplified values in their places and you get 3/10.

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Train A and train B leave the station at 2 pm. The graph below shows the distance covered by the two trains. Compare the two spe

jarptica [38.1K]

Both trains travel for 7 time units.

Train A travels 385 distance units, so its speed is

$\dfrac{385}{7}=55$

Train B travels 577.5 distance units, so its speed is

$\dfrac{577.5}{7}=82.5$

Note that the units are not specified, but considering that we're talking about trains, the graph is likely to be showing distance in km (or miles) and time in hours.

Also, the distance traveled by train B is not perfectly aligned with the grid, so I assumed that it was the average between the two ticks of 550 and 605.

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2 years ago

2. The cost that a carpet cleaning company charges is directly proportional to the number of rooms cleaned. The cost is $22 for

kvv77 [185]

The cost that a carpet cleaning company charges is directly proportional to the number of rooms cleaned. The cost is $22 for each room.

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3 years ago

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Julie and Eric row their boat (at a constant speed) downstream for 40 miles in 4 hours, helped by the current. Rowing at the sam

Liula [17]

Answer: 3 miles per hour

Step-by-step explanation:

Use the formula "distance (d) = rate (r) x time (t)" to create a system of equations.

Let "r" represent the rate they are rowing

Let "c" represent the current

time rate distance EQUATION

Downstream: 4 hours r + c 40 miles 4(r + c) = 40

Upstream: 10 hours r - c 40 miles 10(r - c) = 40

Distribute, then eliminate r to solve for c:

Down: 4r + 4c = 40 → 5(4r + 4c = 40) → 20r + 20c = 200

Up: 10r - 10c = 40 → -2(10r - 10c = 40) → -20r + 20c = -80

40c = 120

÷40 ÷40

c = 3

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2 years ago

a can of beans has surface area 310 cmsquared2. its height is 14 cm. what is the radius of the circular top?

Verdich [7]

I am pretty sure it is ≈9.867606...

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3 years ago

Screen Shot 2021-05-25 at 9.56.13 AM

lapo4ka [179]

Answer:

where is the question

have a good day :)

Step-by-step explanation:

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2 years ago

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