Answer:
279 × 7 ≈ 2800
Step-by-step explanation:
if you have to round to the tens place, then both would be rounded up, the 7 to 10 and the 279 to 280. 10 × 280 = 2800
Answer:
D
Step-by-step explanation:
Answer:
D) -9/4
Step-by-step explanation:
please refer to the picture I sent
Answer:
your answer is correct for the reason you state
Step-by-step explanation:
A one-to-one function must pass the horizontal line test: no horizontal line intersects the graph at more than one place.
Here, the horizontal line y=3 intersects at x=1 and x=2, so the test fails.
Answer: sound waves and mechanical waves or mechanical energy
Step-by-step explanation: