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Naya [18.7K]
3 years ago
5

Can anyone help?! (it's a 3 mark question) ​

Mathematics
2 answers:
Sonbull [250]3 years ago
7 0

Answer:

2x+3x+x-30=180

6x=180+30

x=210/6=35

Step-by-step explanation:

Fed [463]3 years ago
6 0

Answer:

2x+3x+x-30=180(sum of interior angle of triangle)

6x=180+30

x=210/6=35

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Answer:

132

Step-by-step explanation:

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3 years ago
The stream of water from a fountain follows a parabolic path. The stream reaches a maximum height of 12 feet, represented by a v
tia_tia [17]

Answer:

y=-3/16(x-8)^2+12

Step-by-step explanation:

Refer to the vertex form equation for a parabola:

y=a(x-h)^2+k where (h,k) is the vertex.

Therefore, we have y=a(x-8)^2+12 as our equation so far. If we plug in (16,0) we can find a:

0=a(16-8)^2+12

0=64a+12

-12=64a

-12/64=a

-3/16=a

Therefore, your final equation is y=-3/16(x-8)^2+12

8 0
3 years ago
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PLEASE ANSWER ASAP!
miss Akunina [59]

Answer:

I think it is b but I could be wrong

5 0
3 years ago
Which is the slope-intercept form of the equation of a line that passes through (5,-4) and has a slope of 3/4
Andreas93 [3]
Y = mx +b whre m is the slope and b is the y-intercept.

We have the slope 3/4 so put that instead of m

y = 3/4x + b

Now to find the y-intercept (b), plug the ordered pair in and solve for b.

-4 = 3/4 * 5 + b
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So y = 3/4x - 31/4
4 0
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63 people should be able to fit in because 7 times 9 is 63.

If I'm wrong, contact me.

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