Cos(x) = BC/AB = 10.5/20 = 0.525 ⇒ x = 58.3°
Answer:
ax²+bx+c
ax²+bxy+cy²
Step-by-step explanation:
A quadratic expression is one where the maximum degree of the variable or variables ( in case of more than one variable the sum of the degree of the variables in a single term considered) is 2.
For example:
A quadratic expression of a single variable is ax²+bx+c {Where a, b, and c are the arbitrary constants}
A quadratic expression with two variables is ax²+bxy+cy² {Where a, b, and c are the arbitrary constants}
And, a quadratic expression with three variables is ax² +by² +cz² +dxy +eyz +fzx {Where a, b, c, d, e, f are the arbitrary constants} (Answer)
Answer:
Step-by-step explanation:
Le the numbers be x and y
<u>Then we have equations:</u>
<u>As per the first equation:</u>
<u>Substitute in the second equation</u>
- 5x - 2(32 - x) = 195
- 5x + 2x - 64 = 195
- 7x = 195 + 64
- 7x = 259
- x = 259/7
- x = 37
<u>Then finding the value of y</u>
12.683 I think but I'm not totally sure