1 hour each day is used for test
so 8-1=7 used per day
so commercial is 1 in the 4:2:1 so
4+2+1=7
ok, so 7 units, 7 hours
4 hour for private
2 hour for research
1 hour of commerical
4*5=20=private
2*15=30=research
1*4=40=commercial
20+30+40=90
percent from commercial
40/90=0.44444444444≈44.44% about 44%
D. 1
2x-8=-6
+8 +8
2x=2
— —
2x 2
X = 1
Answer:
10.626
Step-by-step explanation:
There's multiple ways to go about it. See how
5.06 * 2.1 = (5 + 0.06)(2 + 0.1) = 5*2 + 0.06*2 + 5*0.1 + 0.06*0.1 =
= 10 + 0.12 + 0.5 + 0.006 = 10.626
Please notice how breaking up the product into smaller parts has let us make all the computations without too much hassle.
Answer:
$10.50
Step-by-step explanation:
The formula is Balance= Principle (starting amount) x Time x Interest rate. 350 x .03 x 1 is $10.50.
y = mx + b
5 = 12(-3) + b
5 = -36 + b
b = 41
y = -3x + 41
