Answer:
-10/-5= 2 simply divide
2 negatives multiplied and/ or divided by is a positive number
Answer: 133 windows
Step-by-step explanation:
Step 1: 38/2=19
Step 2: 19*7=133
Answer:
1. A sound wave in air has a frequency of 262 Hz and travels at a speed of 330 m/s.
2. Sound has a speed of 340 m/s in air at room temperature.
3. A wave has a frequency of 500 Hz and a wavelength of
4. The speed of light is 3.0x10^8 m/s, calculate for the frequency.
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Step-by-step explanation:
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<span>This property is called associativity. It shows that it doesn't matter whether you perform the sum on the first two numbers and then the third, or on the second two and then the first, because you will get the same answer either way. That is because addition is associative.</span>
