3 years ago

Cristobal took 3 hours to wash five cars at this rate how many cars could you watch over a period of 45 hours

Mathematics

1 answer:

kvv77 [185]3 years ago

6 0

Divide 5 by 3 with a reminder and then when you get that divide it to 45
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If sin theta = -1/2 and lies in the third quadrant, what is the cos?

never [62]

Sin angle that equals the 1/2 value is the 30 degree on the 1st Quadrant.

The angle of 30 degree on the 3rd Quadrant is equivalent to (formula and circle in the 1st photo) 180 + 30 = 210°.

So theta = 210° (3rd Quadrant) = 30° (1st Quadrant).

$cos \: 30\degree = \sqrt{3} \div 2$

Now just transfer the cos 30° to the 3rd Quadrant and the signal will be negative (as shown in the 2nd photo attached).

$cos \: 210 \degree = - \sqrt{3} \div 2$

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3 years ago

Answer the question and prove your answer on a separate piece of paper. 1 point

EastWind [94]

Answer:

as below

Step-by-step explanation:

it's negative 4 or -4 is the rate of change or aka the slope

show the teacher the graph, which is free and also online. ( Demos )

:) you can make that graph also is my point

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3 years ago

A person selecting a bank might consider how easy it is to reach the bank from work. True False

babymother [125]

True, it makes sense in my head

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3 years ago

Read 2 more answers

The steps below show the incomplete solution to find the value of y for the equation 4y − 2y − 4 = −1 + 13: Step 1: 4y − 2y − 4

Maurinko [17]

Answer:

You stopped at 2y-4=12

If we add same number to both sides the equation will remain true. For example if we have 5=5, and we add 7 to both sides, we get 12=12 which is also true. Now let's do this with our equation. Add 4 to both sides(to have only y on the left side). We get 2y=16, hence y=8.

Answer. 2y=16

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3 years ago

Nick gets out of school at 2:25 pm he has a 15min ride home on the bus then goes on a 30 min bike ride then spends 55 min doing

klasskru [66]

Your answer to the question would be 4:05.

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3 years ago