10³ · x = 630
x = ?
10³ = 10 × 10 × 10 = 1,000
630 ÷ 1000 = x
630 ÷ 1000 = 0.63
x = 0.63
So we have:
10³ · 0.63 = 630
Answer: 4.5kg = 9.9208lbs
4.5kg = 158.733oz
Answer:
40
112
2n^2 + 2n C
Step-by-step explanation:
a)The correct formula is 2n^2 + 2n
So for n =4, the answer is
2*4^2 + 2*4
2*16 + 8
32 + 8
40
b) For the seventh answer you get
2 * 7^2 + 2*7
2*49 + 14
98 + 14
112
c) The correct formula to use is
2n^2 + 2n See diagrams for the number of matchsticks to be used.
n 2n^2 + 2n
1 2*1^2 + 2*1
1 2 + 2
1 4
2 2*2^2 + 2*2
2 2* 4 + 4
2 8 + 4
2 12
3 2*3^2 + 2*3
3 18 + 6
3 24
What an extremely interesting sequence. I'll bet not one person in 100 could get this without the match stick diagrams. I'm sorry I didn't read the question more carefully.
Answer:
ACB = 60 degrees
FEG = 75 degrees
BCE = 120 degrees
Step-by-step explanation:
<em>(exterior angle is equal to the interior opposite angles)</em>
HAB = ABC + ACB
130 = 70 + ACB
ACB = 130 - 70
<em><u>ACB = 60 degrees</u></em>

FEG + EGF + EFG = 180
FEG = 180 - 60 - 45
<em><u>FEG = 75 degrees</u></em>

BCE + ACB = 180
BCE = 180 - 60
<em><u>BCE = 120 degrees</u></em>
Answer:
amount = 407 per month
Step-by-step explanation:
given data
future value = $5000
interest rate = 6% =
= 0.015
time = 12 months = 4 compound per year
solution
we use here formula that is
amount = future value ×
.......................1
put here value and we get
amount = 5000 ×
amount = 1222 per quarter
or amount = 407 per month