howell62
02.10.2020 •
Mathematics
A wire costs $2 per meter. How much will 3 kilometers of wire cost?
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Ответ:
Step-by-step explanation:
3 km = 3000 m
2*3000 = $6000
Ответ:
Step-by-step explanation:
Example: Solve this triangle
right angled triangle 5 12 c
Start with:a2 + b2 = c2
Put in what we know:52 + 122 = c2
Calculate squares:25 + 144 = c2
25+144=169:169 = c2
Swap sides:c2 = 169
Square root of both sides:c = √169
Calculate:c = 13