Hey there!!
Basic formula :
... a² - b² = ( a + b ) ( a - b )
Equation given :
... 81x² - 25
... ( 9x )² - ( 5 )²
... ( 9x + 5 ) ( 9x - 5 )
Hope it helps!!
The answer is A. 17 cm, 5 cm, 13 cm
For the triangle:
a+b > c
b+c > a
a+c > b
Check all choices:
<span>A. 17 cm, 5 cm, 13 cm
a = 17
b = 5
c = 13
17+5 = 22
22 > 13
5+13= 18
18 > 17
17+13=30
30>5
If you check other choices, you will see they are incorrect.</span>
Answer:
$4416.6
Step-by-step explanation:
If i understand you question correctly than this is the answer. Hope this helps!! But if not Sorry!!! :):):)
Answer:
v= 18
Step-by-step explanation:
Subtract 8 from both sides. This yields 18 = v, or v = 18.
Answer:
312
To find the number that is 80% of 390, multiply 390 by 80%.
80% = 0.8.
390 * 0.8 = 312