Write an expression for 213 increased by d: 
Answer:
48
Step-by-step explanation:
You times 8 by 3 to get 24. Then you multiply 24 by 3 to get 48
<u>Answer</u> : The demonstration is below :)
Step-by-step explanation :
<u>We use Pythagoras' </u><u>theorem </u><u>:</u>
- In the triangle ABC we have :
AB² = AC² - BC² = 15² - 9² = 144 = 12²
- In the triangle ABD we have :
DB² = AD² - AB² = 13² - 12² = 5²
cos(a) = BD/AD = 5/13
Answer:
X=-6
Step-by-step explanation:
Add 14 on both sides
-2x=12
divide by -2
x=-6
Answer:
$123
Step-by-step explanation:
(6.75 + 3.50) × 12 = $123
