A <span>45 45 90 triangle
so a = b
a^2 + b^2 = </span>c^2<span>
a^2 + a^2 </span>= c^2<span>
2a^2 </span>= c^2<span>
2a^2 </span>= 24^2
<span> 2a^2 = 576
a^2 = 288
a = 12</span>√2
b = a = 12√2
<span>
Area of triangle:
= 1/2 (</span>12√2)(12√2)
<span>= 1/2(288)
= 144
answer
Area = 144 ft^2
</span>
Y=1
Explanation:
You have to plug 2+x into the y of the first equation. After you solve that you should get-1 as the answer for x so you plug -1 into the x of the second equation and the value of y would be 1.
Step-by-step explanation:
a)x + 4 + 2x +5
= x + 2x + 4 + 5
<h3>= <u>3x + 9</u></h3><h3 /><h3>b)10x - 3x + 7</h3><h3>=7x + 7</h3><h3 /><h3>c)5x + 6y + 2xy + 4x - 2y</h3><h3>=5x + 4x + 6y - 2y + 2xy</h3><h3>=9x + 4y + 2xy</h3><h3>c)7t + 2r - 3t + r</h3><h3>=7t - 3t + 2r + r</h3><h3>=4t + 3r</h3><h3 /><h3>d)14 + 11p - 12</h3><h3>=14 - 12 + 11p</h3><h3>=2 + 11p</h3><h3 /><h3>e)8q - 3t + 4q + 9</h3><h3>=8q + 4q + 3t + 9</h3><h3>=12q + 3t + 9</h3><h3 />
Answer:
-3x^3 + x^2 + 4x +6
Answer is C
Step-by-step explanation:
18² - 4 * 3 * 7 =240
x1 = (-b-root of 240)/2a = ............
x2 =(-b + root of 240)/2a = ........
