how much do they need
508-76 = 432
they need 432
each pencil case costs 2 dollars
divide 432 by 2 dollars to determine the number of pencil cases needed
432/2 =216
they need 216 pencil cases
as an equation
508 =76+2p
Answer: 216 pencil cases
Answer:
Can't be solved.
Step-by-step explanation:
Answer: B = 43.9 , b = 18 71 , c = 8.45
Step-by-step explanation:
from the law of sine,
a b c
--------- = ---------- = ----------- a =25.3, C = 18.2 degree, A = 110.8 deg.
Sine A Sine B Sine C
to get the value of c,
a c
--------- = -----------
Sine A Sine C,
25.3 c
----------- = -------------
Sine 110.8 Sine 18.2
Now cross multiply to get the value of c
c x Sine 110.8 = 25.3 x Sine 18.2
Therefore c = 25.3 x Sine 18.2
------------------------
Sine 110.8
checking for Sine 18.2 in your log tables/calculators , ie, sine 18 under 2, = 0.3123 and sine 110.8 = 0.9348
c = 25.3 x 0.3123
--------------------
0.9348
= 8.45.
To get angle B, sum total of a triangle is supplementary ie, 180 degree.
meaning that A + B + C = 180
Therefore, angle B = 180 - ( 110.8 + 25.3)
= 180 - 136.1
= 43.9
Now to find b,
b c
------------- = ------------
Sine B Sine C
b 8.45
--------- = ------------
Sine 43.9 Sine 18.2
b x sine 18.2 = 8.45 x Sine 43.9
b = 8.45 x 0.6934
--------------------
0. 3123
b = 18.708
= 18.71.
The final Answer = B = 43.9, b = 18.71, c = 8.45
Answer:
61
Step-by-step explanation:
Plug 5 into the expression.
11(5)+6=55
Hope this helps! :)
6 1/2%
per year. How much is the stock worth now? Round the answer to the nearest cent.
The stock is worth $_______now.
Answer:
105 at 30 min.
x at 75 min.
105 mph x 2 = 210 mph at one hour
There is still 15 min to go soooo...
210/4 = 52.5
210 + 52.5 = 262.5 mph for 75 min
Check by dividing
262.5/75=3.5