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Anna11 [10]
3 years ago
8

Helpp...!!! Ppease i need helpppp

Mathematics
2 answers:
Bogdan [553]3 years ago
4 0
It’s D, she saves 2 dollars every week
guajiro [1.7K]3 years ago
3 0

Answer:

c

Step-by-step explanation:

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Verify that the following equation is an identity. (1/sinx) - (1/cscx) = cscx - sinx
Anarel [89]
Manipulating the left side of the equation, we obtain:

\dfrac{1}{\sin x}-\dfrac{1}{\csc x}=\dfrac{\csc x-\sin x}{\sin x\cdot\csc x}

Using that \csc x=\dfrac{1}{\sin x}:

\dfrac{\csc x-\sin x}{\sin x\cdot\csc x}=\dfrac{\csc x-\sin x}{\sin x\cdot\dfrac{1}{\sin x}}=\dfrac{\csc x-\sin x}{1}=\csc x-\sin x\\\\\boxed{\dfrac{1}{\sin x}-\dfrac{1}{\csc x}=\csc x-\sin x}~~\blacksquare
6 0
3 years ago
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What is the domain of the function y=tan(x/8)? -all real numbers except 4x+4nx, where n is any integer. -all numbers except 4x+8
Tasya [4]

Answer:

BBBBBB!!!!!!!!!!

Step-by-step explanation:

6 0
3 years ago
How to solve the problem
morpeh [17]
Might be better if you typed the question
8 0
4 years ago
The equation, y = (1/4)x, is an example of what kind of variation?
lakkis [162]

Answer:

I would stay direct vartation

Step-by-step explanation:

For example, if y varies directly as x, and y = 6 when x = 2, the constant of variation is k = = 3. Thus, the equation describing this direct variation is y = 3x.

3 0
3 years ago
$67.50 with 8% sales tax
inna [77]

Answer:

The answer is 73.05

Step-by-step explanation:

To find the answer simply multiply 67.50 by 0.08 and then add that to 67.50

and since we are talking about dollars round to the nearest cent

6 0
3 years ago
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