Answer:
0.2
Step-by-step explanation:
Answer:
Is a scalene right triangle
Step-by-step explanation:
Classify the triangle
By the interior angles
Applying the Pythagoras Theorem

substitute the values

------> is true
therefore
Is a right triangle
By the length sides
The triangle has three unequal sides
therefore
Is a scalene triangle
{5x-7y=-2
<u>{-5x-10y=-15 </u>(+)
<em>5x-5x-7y-10y=-17</em>
<em> </em>-17y=-17 /:(-17)
y=1
<em /><em>5x-7 *1=-2</em>
<em />5x-7=-2 /+7
5x=5 /:5
x=1
<u>Solution:</u> (1; 1)
Answer:
135
Step-by-step explanation:
75 x - 30 = 45
Inequality
45 x 3 =
135 (Inequality)