Answer:
<h2>d = 1</h2>
Step-by-step explanation:
![d-10-2d+7=8+d-10-3d\qquad\text{combine like terms}\\\\(d-2d)+(-10+7)=(d-3d)+(8-10)\\\\-d-3=-2d-2\qquad\text{add 3 to both sides}\\\\-d=-2d+1\qquad\text{add}\ 2d\ \text{to both sides}\\\\d=1](https://tex.z-dn.net/?f=d-10-2d%2B7%3D8%2Bd-10-3d%5Cqquad%5Ctext%7Bcombine%20like%20terms%7D%5C%5C%5C%5C%28d-2d%29%2B%28-10%2B7%29%3D%28d-3d%29%2B%288-10%29%5C%5C%5C%5C-d-3%3D-2d-2%5Cqquad%5Ctext%7Badd%203%20to%20both%20sides%7D%5C%5C%5C%5C-d%3D-2d%2B1%5Cqquad%5Ctext%7Badd%7D%5C%202d%5C%20%5Ctext%7Bto%20both%20sides%7D%5C%5C%5C%5Cd%3D1)
Step-by-step explanation:
Los ángulos de elevación hacia un
avión se miden desde la parte superior y la base de
un edificio que tiene 20 m de altura. El ángulo desde
la azotea es de 38°, y desde la base es de 40°.
Calcule la altitud del avión type in English
Answer:
perfect square trinomial
Step-by-step explanation:
The director would have to pay $40.47.
If each scholar eats one slice of pizza, then there would be two pizza pies because 8 slices plus another 8 slices in 16
8+8=16
If all of them eat another .5 slice, adding up the halves would equal 8
.5 x 16 = 8
In total, the director would have to buy three pizzas which equals up to our total of $40.47