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andreyandreev [35.5K]
3 years ago
11

The universe is approximately 4 billion years old. a. True b. False

Social Studies
1 answer:
rusak2 [61]3 years ago
8 0
True but im not eure i would just to woth that becouse it seems right
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Sam's two new aquariums each hold exactly 200 gallons of water.One aquarium will hold small fish and the other will hold large f
stiv31 [10]
Aquarium 1 will hold 5 small fish for every 10 gallons of water. If there are 200 gallons in the tank, you can sent up a proportion:
5 small fish/10 gallons = x small fish/ 200 gallons
if you cross multiply, you get 
10x = 200 × 5
10x = 1000
x = 100 
100 small fish will be in 200 gallons of water. 

Aquarium 2 will hold 8 large fish for every 40 gallons of water. A proportion can also be set up here: 
8 large fish/ 40 gallons = x large fish/ 200 gallons
if you cross multiply, you get: 
40x = 200 × 8 
40x = 1600
x = 40 
40 large fish will be in 200 gallons of water. 

the ratio of small fish to large fish:
100 small fish: 40 large fish
(both are divisible for 10, and if you divide both of them by ten you get)
10 small fish: 4 large fish
you can reduce again, since both are divisble by 2
5 small fish: 2 large fish

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3 years ago
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Katyanochek1 [597]

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Explanation:

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2 years ago
How do the two major political parties of today differ
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The registered nurse asks a nursing student to provide care instructions to the family members of a child who is on diphenhydram
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Which statements describe the relationship of Islam to politics?
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Political Islam leaders use Islam to gain power.

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