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USPshnik [31]
1 year ago
10

Find the value of x. Round your answer to the nearest tenth

Mathematics
1 answer:
Sergio039 [100]1 year ago
4 0

Answer:

Your answer would be 24 but then if you  round it to the nearest tenth the you would have 20

Step-by-step explanation:

i hope this helps

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A tunnel is in the shape of a parabola. The maximum height is 31 m and it is 13 m wide at the base as shown below.
yan [13]
Using the given values from the problem and the illustration, three points are known which are (0,0), (6.5,-31), (-6.5,-31). The first step in solving this problem is to determine the equation of the parabola.
y = ax²
-31 = a(6.5)²
-31 = 42.25a 
a = -31/42.25 
a = -124/169 

Therefore, the equation of the parabola is y = (-124/169)x². The value 4.5 is then substituted in the equation as x to get the answer which is 16.14 meters.
6 0
2 years ago
<img src="https://tex.z-dn.net/?f=%5Csqrt288x4y9" id="TexFormula1" title="\sqrt288x4y9" alt="\sqrt288x4y9" align="absmiddle" cla
sasho [114]

Here's what I got, hope it helps.

5 0
2 years ago
Maisiereceives a weekly paycheck from her boss she spent half of this week paycheck on food and spent and additional 5.00 on a t
vitfil [10]

Answer:

If she didn't spend any additional money and finished the week with 41 how much is Masie weekly paycheck. 1. See answer.

7 0
2 years ago
HELP ME! <br>Please, I will give brainliest and extra points :) Thank you
Arte-miy333 [17]

Answer:

solution set of f(x) = g(x) is x∈{0,1}


Step-by-step explanation:

For all exponential functions b^x,

b^0 is always 1, and b^1 is always b.


f(x) = -3/4 x + 2

g(x) = (1/4)^x + 1

g(0) = 2, f(0) = 2

g(1) = 5/4, f(1) = 5/4




7 0
3 years ago
If a4 = 625, what does (a) equal?
Reika [66]

I'm assuming you meant to write a^4 = 625.

If that is the case, then note how 625 = 25^2, and how a^4 is the same as (a^2)^2

So we go from this

a^4 = 625

to this

(a^2)^2 = 25^2

Apply the square root to both sides and you'll end up with: a^2 = 25

From here, apply the square root again to end up with the final answer: a = 5 or a = -5

As a check:

a^4 = (-5)^4 = (-5)*(-5)*(-5)*(-5) = 25*25 = 625

a^4 = (5)^4 = (5)*(5)*(5)*(5) = 25*25 = 625

Both values of 'a' work out

4 0
3 years ago
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