Answer:
732,36
Step-by-step explanation:
899,99 x 0,75 = 674.9925
J = 674,9925 x 0,085 x 1
J = 57,37
TB = 674.99 + 57,37 = 732,36
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The square of the equation 2 – 12x – 20=0 is
What is a quadratic equation?
A quadratic equation is any equation that can be rearranged in standard form as where x represents an unknown, and a, b, and c represent known numbers, where a ≠ 0.
a+bx+c , a, b, c are integers .
formula: −b±√b2−4ac/2a
Given equation ,
2 -12x-20=0
By comparing with the quadratic equation
Here, a=2, b= -12, c= -20.
X=−b±/2a
X= -(-12) + /2(2)
X=12+- /4
X=12+- /4,
X=12+- (-4)/4
X=12+(-4)/4 and x=12-(-4)/4
X= 12-4/4 and x=12+4/4
X=8/4 and x= 16/4
X=2 and x= 4
Therefore, the square of the equation 2x2-12x-20=0 is x= 2 and x=4.
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70 degrees! This is the answer. Notice that the triangle ACF is isosceles, therefore, 35, 35 degrees, and 110 the vertex at F, then AB is 180 deg, so 70 left!
ST = 7.2
RT = 4.04
m∠S = 34°
Solution:
Given ΔRST is a right triangle.
RS = 6, ∠T = 56°
1.206 × 6 = ST
7.236 = ST
ST = 7.2
0.674 × 6 = RT
4.044 = RT
RT = 4.04
To find the measure of angle S.
Sum of the interior angles of the triangle = 180°
m∠R + m∠S + m∠T = 180°
90° + m∠S + 56° = 180°
m∠S + 146° = 180°
m∠S = 180° – 146°
m∠S = 34°