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3 years ago

When you add negative numbers you move in the _____ directions?

Mathematics

1 answer:

Anit [1.1K]3 years ago

5 0

Answer:

When you are adding a negative number to a negative number, it becomes subtraction, where you start from a negative point on the numbers line and move left.

Step-by-step explanation:

For example, -3 + (-2). This reads “negative three plus negative 2”

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Evalaute the following without using a calculator: <br> cos(13pi/6)

Harman [31]

$the\ cos\ function\ is\ periodic:\ \ \ the\ period=2 \pi\\\\cos(2 \pi + \alpha )=cos \alpha \\\\------------------------\\\\cos\bigg{(} \frac{\big{13 \pi }}{\big{6}}\bigg{)}=cos\bigg{(} 2 \pi +\frac{\big{ \pi }}{\big{6}}\bigg{)}=cos\bigg{(} \frac{\big{ \pi }}{\big{6}}\bigg{)}= \frac{\big{ \sqrt{3} }}{\big{2}}$

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2 years ago

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antoniya [11.8K]

Answer:

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Step-by-step explanation:

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3 years ago

Helen is a secretary and earns $10.82 per hour she worked 38 hours last week , what is her straight-time pay?

NikAS [45]

Answer:

Answer is : $411.16

Step-by-step explanation:

How much she earns per hour which is $10.82 times by the total hours she have worked 38h then you get the answer which is $411.16

$10.82 X 38 hours = $411.16 total

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2 years ago

PLEASE HELP ME PLEASE

Anna [14]

Answer:

We conclude that:

f(2) = -5

Step-by-step explanation:

Given the function

$y = f(x)$

In order to determine the value f(2), we need to check the value of y at x = 2.

In other words, we need to check:

at x = 2, what is the value of y?

From the graph, it is clear that at x = 2, the value of y = -5

In other words,

f(2) = -5

Therefore, we conclude that:

f(2) = -5

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2 years ago

In the year 2000, a person bought a new car for $16500. For each consecutive year after that, the value of the car depreciated b

hodyreva [135]

Answer: 13100

Step-by-step explanation:

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2 years ago