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Brrunno [24]
2 years ago
15

Find the perimeter of the figure below. Notice that one side length is not even.

Mathematics
1 answer:
Alecsey [184]2 years ago
8 0
The answer is 46. the side length that is not even is 5ft because if you do the 13 - 8 you will get the missing side.
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Select the correct answer
Sidana [21]

Answer:

<em>In simplest form, 75% gives 3/4 as a fraction. </em>

<em>The percent sign means divide by 100, so 75% means 75/100.</em>

3 0
2 years ago
-2(-6x+3u-1) use the distributive property to remove parentheses
Nikitich [7]

the answer is 12x-6u+2 hope this helps

4 0
3 years ago
Read 2 more answers
Share $72 in the ratio 5:4
nignag [31]

Answer:

Step-by-step explanation:

Let ratio be x

$72=5x+4x

$72=9x

X=$72/9=$8

Required share=5×$8=$40

And 4×$8=$32

4 0
2 years ago
Without graphing, is each system independent, dependent, or inconsistent? { -x-3y=0 x-y=4
Kryger [21]
Since we can find a solution for this system of equations we can affirm this is an independent system with solution equal to (x,y) = (3,-1)

* If we graph a dependent system in the slope - intercept form, we can see that the graphs of each one are identical to each (beacuse we are representing the same line).

*An inconsistent system occurs when the equations have the same slope, but different values of intersection with the Y axis.
5 0
3 years ago
Read 2 more answers
A paper airplane was thrown from the top of a tall building. The height of the paper airplane above the ground can be found usin
BaLLatris [955]

Answer:1) Since you have not provided the full question, I will work the quadratic expression that models the height of the paper airplane to find as much information as it gets.

2) Firstly, note that the quadratic function -2x^2 + 5x + 33 has these characteristics:

i) It is a parabola

ii) Since, the coefficient of x^2 is negative (-2) it opens downward and has a maximum, which indicates the maximum height of the airplane

iii) The, y-intercept, i.e. the y-value for x = 0, is the initial height of the ariplane, the height from which it was launched, and it is - 2 (0) + 5(0) + 33 = 33.

Then, the airplane was launched from a height of 33 units.

3) The vertex of the parabola is the maximum and it tells both the time to reach the maximum height and the value of that maximum.

4) You can easily find the vertex coordinates by completeing squares. This is how:

Start: -2x^2 + 5x + 33

Factor - 2 from the first two terms: - 2 (x^2 - 5/2x) + 33

Add and subtract the square of the half of x's coefficient:

- 2 ( x^2 - 5/2x + 25/16) + 25/8 + 33

Form the perfect square binomial: - 2 (x - 5/4)^2 + 289/8

By comparission with the vertex form of the equation of the parabola: A(x - h)² + k, the vertex is:

(h,k) = (5/4, 289/4) = (1.25, 36.125).

5) Then, the maximum height is 36.125 units, when the time is 1.25 seconds.

6) You can also find the time when the airplane lands on the ground by making -2x^2 + 5x + 33 = 0

For that you can factor the expression -2x^2 + 5x + 33

-2x^2 + 5x + 33 = - (x + 3) (2x - 11)

Equal to zero: - (x + 3)(2x - 11) = 0 ⇒ x = - 3 and x = 11/2 = 5.5.

That means that the airplane will land on the ground at 5.5 seconds.

7) You can also find the heights at different times, by just pluging in different values of x in the expression -2x^2 + 5x + 33.

7 0
2 years ago
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