Answer: 350% increase
divide 42 by 12
42 / 12 = 3.5
change 3.5 into a percentage
3.5 = 350%
Answer:
t = 30m + 50
Step-by-step explanation:
Answer:
$1850
Step-by-step explanation:
Given
- The person invests a total of $9493
- Amount invested in 9% Simple interest account =x
- Amount invested in 10% Simple interest account= 9493-x
- Earnings in Interest=$930.8
The simple interest formula

where
- S.I is simple interest
- P is principle invested
- T is time period
- R is rate of interest
There fore total interest

Therefore x=1850
⇒Amount invested in 9% account= $1850
Answer:
(Base x height) x 1/2
Step-by-step explanation:
We do this because a triangle is emulating a rectangle with Base x Height. However, a triangle's shape is less conventional than a standard square or rectangle, thus the division by 2.
Answer:
75.3074525 dgrees
Step-by-step explanation:
law of sines
29/sin(115 degrees) = 13/sin(B)
==> B = 0.418374736 rad
or 75.3074525 dgrees