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3 years ago

Someone explain this to me

Mathematics

1 answer:

Masja [62]3 years ago

5 0

The question is asking how many passengers got on the bus AFTER the bus came to stop 4. After his 6th stop, he had 27 passengers. Just subtract 27 minus 13 which equals 14 so you are correct in your guess B is the answer.

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X+y=2 and x+y=-1 solve by graphing please and show the solution

Sergeu [11.5K]

Answer:

The answer to your question is There is no solution, the lines are parallel.

Step-by-step explanation:

Data

Equation 1 x + y = 2

Equation 2 x + y = -1

Solve for y

Equation 1 y = -x +2

y = - x + 2

Equation 2 y = - x - 1

See the graph below

These lines do not cross, so there is no solution. They are parallel.

If the lines have crossed, there would be a solution.

6 0

3 years ago

12. Shreyas orders a pizza for himself and eats 5/8 of the entire pizza. The next day he eats 1/3 of the remaining pizza as a sn

svet-max [94.6K]

Answer:

1562.5

Step-by-step explanation: 2500 divided by 8 times 5

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3 years ago

Read 2 more answers

A swimming pool is being filled at the rate of 54 pt/min (pints per minute). How many quarts per hour is this?

Rainbow [258]

Answer:

Approximately $1620\; \text{quart} / \text{hour}$ .

Step-by-step explanation:

The given quantity was in the unit $\displaystyle \frac{\text{pint}}{\text{minute}}$ while the required quantity should have the unit $\displaystyle \frac{\text{quart}}{\text{hour}}$ . It would thus be necessary to use conversion factors of the following forms:

$\begin{aligned}\frac{\text{pint}}{\text{minute}} \times \underbrace{\frac{\text{minute}}{\text{hour}} \times \frac{\text{quart}}{\text{pint}}}_{\text{conversion factors}} &= \frac{\text{quart}}{\text{hour}} \end{aligned}$ .

Make use of the fact that:

$1\; \text{pint} = 0.5\; \text{quart}$ , and
$60\; \text{minute} = 1\; \text{hour}$ .

Rearrange the equation $1\; \text{pint} = 0.5\; \text{quart}$ to obtain the conversion factor:

$\begin{aligned} 1 &= \frac{0.5\; \text{quart}}{1\; \text{pint}}\end{aligned}$ .

Similarly, rearrange the equation $60\; \text{minute} = 1\; \text{hour}$ to obtain the conversion factor:

$\begin{aligned} 1 &= \frac{1\; \text{hour}}{60\; \text{minute}}\end{aligned}$ .

Combine both conversion factors and evaluate:

$\begin{aligned} & 54\; \frac{\text{pint}}{\text{minute}} \\ =\; & 54\; \frac{\text{pint}}{\text{minute}} \times \frac{0.5\; \text{quart}}{1\; \text{pint}} \times \frac{60\; \text{minute}}{1\; \text{hour}} \\ =\; & (54 \times 0.5 \times 60) \; \frac{\text{pint} \times \text{quart} \times \text{minute}}{\text{minute} \times \text{pint} \times \text{hour}} \\=\; & 1620\; \frac{\text{quart}}{\text{hour}}\end{aligned}$ .