Please Help 1. (2/5)(-5/7) show your work 2. 4/9-1/3 show your work
1 answer:
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Answer: -5/3
Step-by-step explanation:
Use the slope formula:
You substitute the numbers in and subtract to get -5/3.
Answer:
0.4 cm
Step-by-step explanation:
The magnifying glass basically zooms into smaller objects. If the insect appears to be 2cm, then it is actually smaller than this. It cannot be 10 cm.
If the scale factor is 5, then this means that the insect is zoomed in 5 times through the magnifying glass. Use the following ratio:
This fraction can also be seen as division, so:
÷
The insect is actually 0.4 cm long.
(or 4 millimeters)
:Done