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miss Akunina [59]
2 years ago
7

Is this a function?

Mathematics
1 answer:
Brums [2.3K]2 years ago
6 0

Answer:

Yes

Step-by-step explanation:

It is a function since each x-coordinate is used only once. No two x-coordinates are equal. That makes it a function.

Answer: Yes

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A jacket at the store is being offered at a 30% discount. If the original price of the jacket is x, which answer choice shows an
kifflom [539]

Answer:

x-.30(x)

Step-by-step explanation:

6 0
3 years ago
Emily is 2 years older than Alysson. The product of their age is 440. How old are they?
Nuetrik [128]
Call Emily's age is x, we have:
x * (x - 2) = 440
So x = 22
So Emily's 22 years old, Alysson's 20 years old.\\
Brainliest?
5 0
3 years ago
How can csc^2-cot^2 = 1?
Softa [21]

ANSWER

By simplifying the left hand side using the Pythagorean Identity.

EXPLANATION

The given identity is

\csc^{2} (x) -  \cot^{2} (x) = 1

Take the left hand side and simplify to get the right hand side.

\csc^{2} (x) -  \cot^{2} (x) =  \frac{1}{\sin^{2} (x)}  - \frac{ \cos^{2} (x)}{\sin^{2} (x)}

Collect LCM for the denominators.

\csc^{2} (x) -  \cot^{2} (x) =  \frac{1 -  \cos^{2} (x)}{\sin^{2} (x)}

Recall the Pythagorean Identity.

\cos^{2} (x) +  \sin^{2} (x) = 1

This implies that:

1 -  \cos^{2} (x) =  \sin^{2} (x)

We substitute this to get,

\csc^{2} (x) -  \cot^{2} (x) =  \frac{\sin^{2} (x)}{\sin^{2} (x)}

\csc^{2} (x) -  \cot^{2} (x) = 1

6 0
3 years ago
.I want a way to solve this question​
Verdich [7]

Check the picture below.

so then γ ≈ 180 - 69 - 43, γ ≈ 68.

8 0
3 years ago
Who knows this? Help me please
Temka [501]

Answer:

1/8

Step-by-step explanation:

5 0
3 years ago
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