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2 years ago

Which statement BEST represents a hypothesis

Biology

2 answers:

zhenek [66]2 years ago

4 0

C: if rabbits eat twice their normal amount of food, they will gain weight

Stolb23 [73]2 years ago

4 0

C is the correct answer because a hypothesis is a educated guess.

We cannot be sure that they will gain weight, but, based on what we know about eating double the amount of food you will

Hope this helps!

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A pharmacist has two vitamin-supplement powders. The first powder is 10% vitamin B1 and 30% vitamin B2. The second is 15% vitami

Basile [38]

Answer:

$560$ mg of powder 1 and $160$ mg of powder 2

Explanation:

Let "X" denotes weight of powder 1 added to the new mixture and "Y" denotes weight of powder 2 added to the new mixture

Total weight of vitamin B1 in the mixture is equal to $80$ mg

Total weight of vitamin B2 in the mixture is equal to $200$ mg

Equation 1

$0.1 X + 0.15 Y= 80$

Equation 2

$0.3 X + 0.2 Y= 200$

Let us simplify the above two equations, we will get

$10 X + 15 Y = 8000\\3X + 2Y = 2000$

$2 (10 X + 15 Y = 8000), 20X + 30 Y = 1600015(3X + 2Y = 2000), 45X +30Y = 30000\\25 X = 14000\\X = 560$

Substituting value of X in equation 2 we get

$0.3 * 560 + 0.2 Y = 200\\0.2 Y = 200 - 168\\Y = 160$

7 0

3 years ago

Describe the conditions of Earth billions of years ago<br><br> please help, its over due : /

Mashcka [7]

Answer:

Earth was barren, flat and almost entirely under water 4.4 billion years ago

Explanation:

4 0

2 years ago

Carbon, Hydrogen, and Chlorine atoms combine chemically. What best describes this

Romashka-Z-Leto [24]

Answer:

carbon and hydrogen

Explanation:

hope it helps

7 0

3 years ago

I’m not really good at biology lol

xxTIMURxx [149]

Hey bro its c lol. .

5 0

3 years ago

Read 2 more answers

Which is a component of the modern cell therapy that was not part of the original cell theory

KIM [24]

All cells are similar in composition and metabolic activities

6 0

3 years ago