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Dafna1 [17]
3 years ago
11

A square and an equilateral triangle have the same perimeter. The length of the side of the square os x+10. The length of the si

de of the triangle os 4x. What is the length of the triangle side
Mathematics
1 answer:
mamaluj [8]3 years ago
8 0

Answer:

20

Step-by-step explanation:

the perimeter of the square and the triangle are the same

4×(x + 10) = 3×4x

4x + 40 = 12x

40 = 8x

x = 5

=>

a triangle side is 4x = 4×5 = 20

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PLEASE HELP ME, THANK YOU SO MUCH!!!!!! Explain your answer.
Kitty [74]

Answer:

-2h = -2f + -2g

Step-by-step explanation:

Unless the problem gives you numbers to substitute for H, F, and G... you just need to simplify!

First, just times H by -2 (-2h), and do the same for F and G. Now you should have -2h, -2f, and -2g. Just place them where they go in the equation. :)

Because the variables are not all the same, you cannot add them together to complete the equation, so that is all you have to do!

7 0
3 years ago
Enter the value for x that makes the equation 2(x – 3) + 21 = –3 true.
solong [7]
The answer is x= -9.
7 0
3 years ago
Read 2 more answers
Graph x-y=-3 It's really hard I dont understand how to graph it and I have to know how to check by plugging in!
zlopas [31]
X - y = -3
x - x - y = -3 - x
-y = 3 - x
y = -3 - x
4 0
3 years ago
Part A
natulia [17]

Answer:

To find the measure of an interior angle of a regular polygon, take the sum of all interior angles and divide by the number of angles. The sum of all interior angles can be found by (n - 2)*180 where n is the number of sides, in this case 24. So all the interior angles add to 3960 degrees.

PLEASE SAID THANKS

7 0
3 years ago
(Geometry)
ArbitrLikvidat [17]

\textit{arc's length}\\\\s=\cfrac{\theta \pi r}{180}~~\begin{cases}r=radius\\\theta =\stackrel{degrees}{angle}\\[-0.5em]\hrulefill\\r=13.5\\\theta =120\end{cases}\implies \begin{array}{llll}s=\cfrac{(120)\pi (13.5)}{180}\implies s=9\pi \\\\\\s\approx 28.27\end{array}

7 0
2 years ago
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