Answer:
a) 165.52 degrees.
b) 131.41 degrees.
c) 118.96 degrees.
d) 159.73 degrees.
Step-by-step explanation:
The sine of an obtuse angle is positive as it is in the second quadrant.
a) Using a calculate the angle whose sine ( arcsin) is 0.25 = 14.478 degrees
so the obtuse angle = 180 - 14.478 = 165.52 degrees to nearest hundredth
b) c) and d) are calculated in the same way.
Thats easy
3.2/1.6=y/19
y=(3.2÷1.6)×19=38
40% off means you are paying 60% of the original price ( 100% - 40% = 60%
Multiply the price of the coat by 60%:
65.00 x 0.60 = 39.00 ( sale price)
Now multiply the sale price by 1.05 ( price of coat plus tax rate) to get the final cost:
39.00 x 1.05 = 40.95
The final price is $40.95
Answer:
30 = 5n
n = 6
Step-by-step explanation:
A box of strawberry cost = $5
A person has = $30
Number of boxes a person can buy = n
Equation to calculate the most number of boxes a person can buy with $30
Amount with the person = cost of a strawberry × number of strawberry
30 = 5 * n
30 = 5n
n = 30/5
n = 6
Answer:
Area= 6
Perimeter= 10
Step-by-step explanation:
The area is length x width, which in this case would be 3 x 2, giving the area of 6.
The perimeter is length + length + width + width, which in this case would be 3 + 3 + 2 + 2, giving the perimeter of 10.
Hope this helps :)!
