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Airida [17]
2 years ago
10

HELP PLEASE DUE SOON (i got the question wrong 2 tries)

Mathematics
1 answer:
Gekata [30.6K]2 years ago
4 0

Step-by-step explanation:

Mean number of tickets sold by boys =

Total Number of tickets sold / Number of boys

=

\frac{(1 \times 4) + (2 \times 3)  + (4 \times 1) + (12 \times 1) + (13 \times 1) + (15 \times 3) + (14  \times 2}{4 + 3 + 1 + 1 + 1 + 3 + 2}  \\  =  \frac{4 + 6 + 4 + 12 + 13 + 45 + 32}{15}  \\  =  \frac{116}{15}  \\  = 7.73(nearest \: hundredth)

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67. The line contains the point (4,0) and is parallel<br> to the line defined by 3x = 2y.
olganol [36]

Answer:

y=\frac{3}{2} x-6

Step-by-step explanation:

Hi there!

<u>What we need to know:</u>

  • Linear equations are typically organized in slope-intercept form:
  • y=mx+b where m is the slope of the line and b is the y-intercept (the value of y when the line crosses the y-axis)
  • Parallel lines will always have the same slope but different y-intercepts.

<u>1) Determine the slope of the parallel line</u>

Organize 3x = 2y into slope-intercept form. Why? So we can easily identify the slope, m.

3x = 2y

Switch the sides

2y=3x

Divide both sides by 2 to isolate y

\frac{2y}{2} = \frac{3}{2} x\\y=\frac{3}{2} x

Now that this equation is in slope-intercept form, we can easily identify that \frac{3}{2} is in the place of m. Therefore, because parallel lines have the same slope, the parallel line we're solving for now will also have the slope \frac{3}{2} . Plug this into y=mx+b:

y=\frac{3}{2} x+b

<u>2) Determine the y-intercept</u>

y=\frac{3}{2} x+b

Plug in the given point, (4,0)

0=\frac{3}{2} (4)+b\\0=6+b

Subtract both sides by 6

0-6=6+b-6\\-6=b

Therefore, -6 is the y-intercept of the line. Plug this into y=\frac{3}{2} x+b as b:

y=\frac{3}{2} x-6

I hope this helps!

7 0
2 years ago
If anyone needs someone to talk to its ok and im here if you need me :)
umka2103 [35]

Answer:

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Step-by-step explanation:

um sometimes i feel like i always have to be perfect because of my parents high expectations for me,but sometimes i can live up to those expectations and i feel like i failed them and i feel like i always have to be perfect my hair my clothes my grades i hate it . i try to be me but i end up doing something wrong and i just feel sad.

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Where the image has the opposite orientation as the preimage
Elena L [17]
Im not in this math section yet but i think that you can look it up as a worksheet and find the answer on google.
6 0
3 years ago
Im dum but please help me<br>​
lara31 [8.8K]

Answer:

336

Step-by-step explanation:

area = 1/2 * (a + b) * h

8 0
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