3 years ago

Find the measure of y in the picture please

Mathematics

1 answer:

kaheart [24]3 years ago

7 0

Answer: A. 47

Step-by-step explanation: The answer would be 47 degrees because the 47 degree angle has one mark, and so does x and y. This means that these angles are the same.

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A camera has a listed price of $760.95 before tax. If the sales tax rate is 7.25% , find the total cost of the camera with sales

Contact [7]

Answer:

After sales tax is applied, the camera will cost $816.12! The sales tax will be $55.17.

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2 years ago

I need help my people :-)

lara [203]

Answer:

13.75$

Step-by-step explanation:

First, take 10% of 12.50$. That will give you 1.25$.

Next, add that to 12.50$ to get your new hourly pay.

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3 years ago

Write a linear function from the table.

3241004551 [841]

Answer:

It would be A.

Step-by-step explanation:

Because, 5 x 0 is 0, 5 x 1 is 5, 5 x 2 is 10, and so on. Its really just counting in 10s.

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2 years ago

Reena saves AED 400 from her salary. If this is 10% of her salary. What is her salary?

Vlad1618 [11]

A) AED 4000
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2 years ago

Limit definition for slope of the graph, equation of tangent line point for<br> f(x)=2x^2 at x=(-1)

Tems11 [23]

The slope of the tangent line to $f$ at $x=-1$ is given by the derivative of $f$ at that point:

$f'(-1)=\displaystyle\lim_{x\to-1}\frac{f(x)-f(-1)}{x-(-1)}=\lim_{x\to-1}\frac{2x^2-2}{x+1}$

Factorize the numerator:

$2x^2-2=2(x^2-1)=2(x-1)(x+1)$

We have $x$ approaching -1; in particular, this means $x\neq-1$ , so that

$\dfrac{2x^2-2}{x+1}=\dfrac{2(x-1)(x+1)}{x+1}=2(x-1)$

Then

$f'(-1)=\displaystyle\lim_{x\to-1}\frac{2x^2-2}{x+1}=\lim_{x\to-1}2(x-1)=2(-1-1)=-4$

and the tangent line's equation is

$y-f(-1)=f'(-1)(x-(-1))\implies y-4x-2$

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3 years ago