Answer:
Pepepopo check
Step-by-step explanation:
Answer:
12 cm
Step-by-step explanation:
Well first we can cut the triangle in half and use the Pythagorean theorm
a^2+b^2=c^2
In this case we are going to be doing c^2-a^2=b^2
10^2-8^2=b^2
(10*10)-(8*8)=b^2
100-64=b^2
36=b^2
Now we just square root 36 (what number times itself is 36)
b=6
Since half of the one side equals 6 (DC) then the length of AC is 12!
S = length of small side
M = length of medium side
L = length of long side
The triangle is scalene meaning that the three sides (S, M, L) are all different. If any two sides were equal, then we'd have an isosceles triangle. If all sides were the same, then the triangle would be equilateral.
"The longest side is twice that of the shortest side" tells us that L = 2*S
The longest side is given to be 6.2 cm, so L = 6.2 and we can find S to be...
L = 2*S
6.2 = 2*S
2*S = 6.2
S = 6.2/2
S = 3.1
The longest side is 6.2 leads to the shortest side being 3.1
Add up the three sides and set that sum equal to the perimeter 14.5
(short side) + (medium side) + (long side) = perimeter
S + M + L = 14.5
3.1 + M + 6.2 = 14.5
M + 9.3 = 14.5
It's not clear where your teacher wants you to stop, so this might be a good place. If you wanted, you can isolate M by subtracting 9.3 from both sides
Answer:
$20.57
Step-by-step explanation:
36.57 x 125% (or 1.25) = $45.7125
and
$45.7125 x 45% (or .45) = $20.570625 which rounded up is $20.57
Answer:
-19
Step-by-step explanation:
It's -19 I took the test
Proof in the picture below
