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solniwko [45]
3 years ago
7

Pleaseee someone resolve this quick!!!!!!

Mathematics
1 answer:
liubo4ka [24]3 years ago
4 0
What in the math- I’m in college and I’ve never seen this girl this is Albert Einstein level- sorry I couldn’t help but holy Jesus at that point just don’t do it
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The height of the tunnel at the center is 35ft, and the vertical clearance must be 21 ft at a point of 8ft from the center. Find
Zinaida [17]

Answer:

y=-0.215x^2+35

Step by Step:

Let, h=0,  k=35, x=8, y=21

We know that, the general equation of the parabola.

   y-k = a(x-h)^2

\Rightarrow y=a(x-h)^2+k  .........(i)

Substitute the  value of h, k, x, y in equation (i) and find the value of a.

  21=a(8-0)^2+35

\Rightarrow 21=a\times 8^2+35

\Rightarrow 21=64a+35

\Rightarrow 64a=21-35

\Rightarrow 64a=-14

\Rightarrow a=\frac{-14}{65}

\Rightarrow a=-0.215

Hence, the equation of the parabola is:

y=-0.215x^2+35

8 0
3 years ago
Which decimal is equivalent to 2/9?
Andrej [43]

Answer:

0.222222222

Step-by-step explanation:

in fractions, the / represents division.

so, we do:

2 ÷ 9 = 0.222222222

Hope this helps.

5 0
1 year ago
Find the slope and equation of a line perpendicular to the y axis that passes through (3,-8)
alexgriva [62]

A line perpendicular to the y axis is horizontal line (parallel to the x axis).

Equation of this line is y = a.

The line passes through (3, -8) → x = 3 and y = -8.

Therefore your answer is y = -8.

4 0
3 years ago
Can someone answer this question please answer it correctly if it’s corect I will mark you brainliest
Bond [772]

Answer:

360

Step-by-step explanation:

6C4 × 4! = 360

3 0
3 years ago
Read 2 more answers
Look at the angles marked a, b, c and d.
Sergio [31]

Answer:

acute angle : C

reflex angle : B

right angle : D

obtuse angle : A

5 0
3 years ago
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