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Archy [21]
3 years ago
14

PLEASEEEEEEE HELP SOMEONE WHO DOESNT NO MATH

Mathematics
2 answers:
Anuta_ua [19.1K]3 years ago
5 0
No this is not a function because 4 is used twice on the y side
ale4655 [162]3 years ago
4 0

Answer:

yes, this is a function because each x value is paired with with exactly one y value (the first one in the multiple choice)

Step-by-step explanation:

For something to be a function an input can have only one output. Multiple different inputs can have the same output, but not the other way around.

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Please help a student out.Thank you
prisoha [69]
y = 6tan(\frac{x}{2}) - 3

Let y = 0, since the x-intercept occurs at y = 0.
3 = 6tan(\frac{x}{2})
tan(\frac{x}{2}) = \frac{1}{2}
\frac{x}{2} = tan^{-1}(\frac{1}{2})
x = 2tan^{-1}(\frac{1}{2})

x = 0.927295218...

\text{General form: } x = 0.9273 + n\pi

We know this because the tangential graph is period every pi radians. The sinusoidal and co-sinusoidal graph are periodic every 2pi radians. 
3 0
3 years ago
(6,-3) and (x,-29); slope=-3
Sidana [21]

Answer:

x=44/3

Step-by-step explanation:


slope = (y2-y1)/(x2-x1)

substitute what we know

-3 = (-29--3)/(x-6)

simplify

-3 =(-29+3)/(x-6)

multiply each side by (x-6)

-3(x-6) = (-29+3)/(x-6) * (x-6)

the (x-6)'s on the right cancel

-3(x-6) = (-29+3)

distribute

-3x*-3*-6 = -29+3

-3x+18 = -26

subtract 18 from each side

-3x = -44

divide by -3

x = -44/-3

x=44/3

7 0
3 years ago
6) Last week, Jonatha's Ice Creamery sold 20 sundaes with nuts and 30 sundaes without nuts What is the ratio of the
Afina-wow [57]

Answer:

6) Last week, Jonatha's Ice Creamery sold 20 sundaes with nuts and 30 sundaes without nuts What is the ratio of the

Step-by-step explanation:

7:5 or 5:7

4 0
3 years ago
Read 2 more answers
It costs $6.50 to become a member of a company that streams movies. With a membership, it costs $2.40 to stream each movie. Paul
Nata [24]
6.5+2.4x is less than or equal to 20
He can watch 5 movies without going over $20
6.5+2.4(5)
8 0
3 years ago
Given the rectangle below, write a simplified expression that represents the perimeter and terms of x. Use your expression to so
Tatiana [17]

The expression representing the perimeter is 6x + 39

x = 3. 8

<h3>What is the perimeter?</h3>

The formula for perimeter of a rectangle is given as;

Perimeter = 2 ( length + width)

From the image shown, we have that:

  • length = 2x
  • width = x + 13

Now, let's substitute the value

Perimeter = 2 ( 2x + x + 13)

collect like terms

Perimeter = 2 ( 3x + 13)

Expand the bracket

Perimeter = 6x + 39

If perimeter = 62

62 = 6x + 39

6x = 62 - 39

6x = 23

x = 23/ 6

x = 3. 8

Thus, the expression representing the perimeter is 6x + 39

Learn more about perimeter here:

brainly.com/question/24571594

#SPJ1

7 0
2 years ago
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