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Natalija [7]
3 years ago
12

Which of the following best describes the equation below? y = x + 8 OA. function only B. both a relation and a function Oc. neit

her a relation nor a function OD. relation only?​
Mathematics
1 answer:
bixtya [17]3 years ago
4 0

9514 1404 393

Answer:

  B. both a relation and a function

Step-by-step explanation:

Every linear equation with defined slope is both a relation and a function.

__

Only a vertical line of the form x=constant is linear equation that is a relation, but not a function.

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Two groups of tourist fly to Japan. It takes the first group 4 hours less than the second to fly
Aleksandr-060686 [28]

Answer:

21

Step-by-step explanation:

think about it this way. if the first group takes 17 hours, and the second group takes 4 hours more than the first group, then how long does the second group take?

5 0
2 years ago
Use a graphing calculator to solve the equation -2sin(theta)= 1.2 in the interval from 0 to 2pi.
elena-s [515]

Answer:

\theta=\pi +arcsin(\frac{3}{5})\approx 3.785\\\\\theta=2\pi -arcsin(\frac{3}{5} ) \approx 5.64  

Step-by-step explanation:

As you can see from the graph I attached you, the possible solutions in the interval from 0 to 2π are approximately:

\theta=3.7\\\\and\\\\\theta=5.7

So, it's useful to solve the equation too, in order to verify the result:

-2sin(\theta)=1.2\\\\sin(\theta)=-\frac{3}{5}

Taking the inverse sine of both sides:

\theta=\pi +arcsin(\frac{3}{5})\approx 3.785\\\\\theta=2\pi -arcsin(\frac{3}{5} ) \approx 5.64

Using this result we can conclude the solutions in the interval from 0 to 2π are approximately:

\theta\approx 3.785\\\\\theta \approx 5.64

8 0
3 years ago
One month kris rented 3 movies and 8 video games for a total of $53. the next month she rented 5 movies and 2 video games for a
SCORPION-xisa [38]
Make a system of equations and solve for each variable.

3m+8v=53
5m+2v=26

m= movie cost
v= game cost

multiply the bottom equation by 4(combination method)

3m+8v=53
20m+8v=104. Subtract

-17m = -51
m= 3

Plug back into one of the equations

5(3)+2v=26
15+2v=26
2v=11
v=5.5

m=$3
v=$5.5


6 0
3 years ago
2(x+1.25)=3,5<br><br> Find x
Arte-miy333 [17]

Step-by-step explanation:

\tt{2(x+1.25)=3.5  } ⠀

\tt{ 2x+2.5=3.5 } ⠀

\tt{ 2x=3.5-2.5 } ⠀

\tt{2x=1  } ⠀

\tt{ x=\dfrac{1}{2}=0.5 } ⠀

7 0
3 years ago
What are one of the four regions into which a coordinate plane is separated is called
Alexandra [31]

Well, I suppose you could break up the coordinate plane
in millions of different ways.

If you take each region to be all the space that is not crossed
by an axis, then you have the four Quadrants.

6 0
3 years ago
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