Answer:
Kilometers in 1cm=1/1,00,000
=0.00001
Therefore, Kilometers in 3 cm=3×0.00001
=0.00003km
Answer:
she colored in 60% of the paper blue and left 40% of the paper blank
Step-by-step explanation:
Answer:
18
Step-by-step explanation:
168 : 28 : : 108 : y
168 / 28 = 108 / y
6 = 108 / y
6 * y = 108
y = 108 / 6
y = 18
<em>n = - 1</em>
- <em>Step-by-step explanation:</em>
<em>Hi ! </em>
<em>6 = - 2(10n + 7)</em>
<em>6 = - 20n - 14</em>
<em>20n = - 6 - 14</em>
<em>20n = - 20</em>
<em>n = - 20 : 20</em>
<em>n = - 1</em>
<em />
<em>6 = - 2(10×-1 + 7)</em>
<em>6 = - 2(-10 + 7)</em>
<em>6 = - 2(-3)</em>
<em>6 = 6 (true)</em>
<em>Good luck !</em>
Answer:
14a^2
Step-by-step explanation:
3a^2+4a^2+7a^2
Combine like terms
Factor out a^2
a^2(3+4+7)
a^2(14)
14a^2