Answer:
13
Step-by-step explanation:
Given
x² - 14 ← substitute x = 9 into the expression
=
× 9² - 14
=
× 81 - 14
= 27 - 14
= 13
Answer:
0.94 kg
Step-by-step explanation:
1kg = 1000 g
940 g = 0.94 kg
Answer:
2/6=1/3
Step-by-step explanation:
3*2=6
2*2=4
4-2=2
2/6=1/3
Answer:
54=12+r
Step-by-step explanation:
'Sum' means to add.
The answer is 11.265408 km.
To calculate the number of kilometers, we will use several conversions:
A) 1 mi = 63,360 in
B) 1 in = 2.54 cm
C) 1 cm = 0.00001 km
A) 1 mi = 63,360 in
7 mi = 63,360 in · 7 = 443,520 in
B) 1 in = 2.54 cm
443,520 in = 2.54 cm · 443,520 = 1,126,540.80 cm
C) 1 cm = 0.001 km
1,126,540.80 cm = 0.00001 km · 1,126,540.80 = 11.265408 km