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Hatshy [7]
2 years ago
15

Please help will get brainliest if correct v2

Mathematics
2 answers:
Tanzania [10]2 years ago
6 0
I think the A is the answer of your question
IgorLugansk [536]2 years ago
5 0

Answer:

167.67 is what i got

Step-by-step explanation:

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What is the unit rate for 5 notebooks that cost $9.45
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Divide $9.45 into 5 yr answer would be $1.89 per notebook
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3 years ago
Find the interval in which f(x)=sinx−cosx is increasing or decreasing?
alisha [4.7K]

Answer:

There is no short answer.

Step-by-step explanation:

To find to intervals which f(x) increases or decreases, we first need to find it's derivative.

f(x) = sinx - cosx\\f'(x) = cosx - (-sinx) = cosx + sinx

The function is increasing when it's value is  > 0 and decreasing when it's value is < 0.

If we take a look at this graph, cosx+sinx is positive when they are both positive or when cosx is greater then sinx on the negative part.

I hope this answer helps.

3 0
3 years ago
22
dalvyx [7]

The first digit may be 1 or 8.

The second digit may be 1, 2, 4, 8.

The third digit may be 1, 3, 5, 7, 9.

There are 2\times4\times5=40\:variants

The probability that this is the correct code is \frac{1}{40}

8 0
2 years ago
Write an equation that is parallel to the given equation (-1, 3) y=2x+2
Sedaia [141]

 

Hello: 
 an equation   for the line is : y =mx +b    (m: is a slope )

parallel to the liney=2x+2        ( same slope    m  =2)
the equation is : y =2x+b

through the point (-1,3) : 3 =2(-1)+b....... b=5
the equation is : y = 2x +5
4 0
3 years ago
A triangular window pane has a base of 30 inches and a height of 24 inches what is the area of the window pane
Lesechka [4]

The answer is 360in,hope this help!

5 0
3 years ago
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