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Mekhanik [1.2K]
3 years ago
8

Can You help me with this 6+(4+x)=(6+4)+x

Mathematics
1 answer:
bekas [8.4K]3 years ago
4 0
This equation may be illustrating Symmetric Property of Equality
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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
After m months, the height of a plant is 10+3m millimeters. How tall is the plant after eight months? Three years?
Oksanka [162]
Why not start out by writing a linear relationship for the plant height?

h(m) = 10 + 3m, where h is the height in mm and m is the time in years, starting from zero (0).

After 8 months, the plant height is h(8) = 10 mm + 3(8) mm, or 34 mm.

After 3 years (36 months), the plant ht. is h(36) = 118 mm.
4 0
3 years ago
Solve for A<br><br> Needing help ASAP! Tysm
AnnZ [28]

Answer:

16 = a

Step-by-step explanation:

6 = a/4 +2

Subtract 2 from each side

6-2 = a/4 +2-2

4 = a/4

Multiply each side by 4

4*4 = a/4*4

16 = a

8 0
3 years ago
Read 2 more answers
I dont understand this 8x5/14=
adoni [48]

Answer:

8x5/14=

this means 8x5/14=10

7 0
2 years ago
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Solve each equation
AlekseyPX

Answer:

e i hope that is correct answer

8 0
3 years ago
Read 2 more answers
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