Answer these Please

Mathematics

1 answer:

Serggg [28]2 years ago

3 0

1b) 70, 40
1c) 45, 90
1d) 25%
1e) 5%
2a) 360
2b) 180
2c) protractor
2d) compass
2e) diameter
2f) radius
2g) 90
2h) acute

For 1b), the other equal angle would be 70; the remaining angle would be 180-(70+70) = 180-140 = 40.
For 1c), the other equal angle would be 45; the remaining angle would be 180-(45+45) = 180-90 = 90.
For 1d), he saved 50/200; dividing this, we get 0.25; 0.25*100 = 25%.
For 1e), he saved 28/560; dividing this, we get 0.05; 0.05*100 = 5%.

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Ginny is studying a population of frogs. She determines that the population is decreasing at an average rate of 3% per year. Whe

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Answer:

Step-by-step explanation:

This is exponential, of the form

$y=a(b)^x$ where a is the initial amount and b is the growth/decay rate. If Ginny begins the study with 1200 frogs in the population, our a value is 1200.