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astraxan [27]
2 years ago
8

2 [ 2 + 2 ( 8 ⋅ 6 − 17 ) ]

Mathematics
1 answer:
vaieri [72.5K]2 years ago
8 0

Answer: 128

Step-by-step explanation:

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For the following graphed line, what are the slope and y-intercept
morpeh [17]

Answer:

3,5

Step-by-step explanation:

I don't really know about hope this help

8 0
2 years ago
Jeremy read 243 pages on Saturday. He read 53 fewer pages on Sunday.
Kryger [21]

243 = the pages read on Saturday

243 - 53 = 190 = the pages read on Sunday

190 + 243 =  433 = total pages read

Answer = 433

8 0
3 years ago
Read 2 more answers
Describe the following variation: y/x2=5
Firdavs [7]
We are asked to describe the variation \displaystyle{ \frac{y}{x^2}=5, 

that is y=5x^2

for x≠0, in which case x=y=0, we distinguish the following intervals:

I   = (-infinity, -1]
II  = (-1, 0)
III = (0, 1)
III = [1, infinity)

Case I, consider the cases (examples)   x= -5, and x= -6

5(-6)^2\ \textgreater \ 5(-5)^2, so we can conclude that the greater the x, the smaller the y.

Case II, consider x= -1/2 < x=-1/3

5(-\frac{1}{2})^2= \frac{5}{4}\\\\ 5(-\frac{1}{3})^2= \frac{5}{9}\\\\\frac{5}{9}\ \textless \  \frac{5}{4}

thus, the greater the x, the smaller the y.


Case III, consider the cases (examples)   x= 5, and x= 6

5(6)^2\ \textgreater \ 5(5)^2, so we can conclude that the greater the x, the greater the y.

Case III, consider x= 1/3 < x=1/2

5(\frac{1}{2})^2= \frac{5}{4}\\\\ 5(\frac{1}{3})^2= \frac{5}{9}\\\\\frac{5}{9}\ \textless \ \frac{5}{4}

thus, the greater the x, the greater the y.


Conclusion:

y=0 only if x is 0. Otherwise y>0 always:

for x<0,   x and y are inversely proportional

for x>0,   x and y are directly proportional.


Remark, an other possible consideration in cases could be x<0 and x>0 only.


Remark, 
another approach is considering the graph of y=5x^2, which is a parabola, with the vertex at (0, 0) opening upwards.

From the graph we can find the same conclusion. That is we can see that the farer we get away from the y-axis, in both direction, the larger the values of y become.

4 0
3 years ago
What is the area of this triangle m2 <br><br> 19 m<br> 22m
alexandr402 [8]
Uhhh i don’t really know good luck figuring it out!!
4 0
3 years ago
Please help, will give brainliest if right!
Nimfa-mama [501]

Answer:

a

Step-by-step explanation:

7 0
2 years ago
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