The quadratic formula is:
(-b ± √b² - 4ac)/2a
So first we need to find what a, b, and c are by making the equation equal to 0.
We can do this by adding 13x and subtracting 10 to get -7x² + 13x - 10, so your values would be a = -7, b = 13, and c = -10.
Now you can just substitute them into the equation:
(-13 ± √13² - 4 × -7 × -10)/-14
I believe that is your answer in standard form, so I hope this helps!
Answer:
Now, we can visually see that 6/8, is equivalent to 3/4, because the total height of the colored parts remains the same. Next, let's multiply the numerator 6, with 3, and the denominator 8, with 3
Step-by-step explanation:
please, and i hope that is a answer
Answer:
the answer is C. 100°
Step-by-step explanation:
The known angle is supplementary with angle A (Look at the attachment), that means that the sum of the known angle and A is 180°, therefore the value of angle A is 80°
then A and B are corresponding angles, which means that they have the same value, that happens because <em>p</em> and <em>q</em> are parallels and both cut line <em>n</em> in the same way. the value of the angles B is 80° too.
Angles B and C are corresponding too, so the value of the angle C is 80°.
Finally angles C and X are supplementary too for which the sum of X and C (80°) is 180°, <em>so the value of X is 100°</em>
I think the first box on the top is 10 and the bottom is 4. Hope this helped :)