MATHEMATICS MIDDLE SCHOOL

A single tree produces about 2.6 × 10² lb of oxygen each year. The Amazon rainforest has about 3.9×1011 trees. About how many pounds of oxygen are produced in the rainforest each day ?
Enter your answer in the box. 2.8 × 10 ? lb

Answers

Answer 1
Answer:

Answer:

I want points plzzzzzz

Step-by-step explanation:

The answer is 260 because 10 to the second power is 100. Multiply that by 2.6 and you get 260. :) hope this helped

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If (a,b) is the center and r is the radius of the circle defined by the parametric equationswhat is the value of a+b+r ?
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Answers


Those particular parametric equations generate a circle with its
center at the origin (0, 0).  So ' a ' and ' b ' are both zero.

The (radius of the circle)² is (10² + 10²) = 200

Radius = √200

So (a + b + r) = √200 .  ( about 14.1421 )

The significance of the ' 3t ' in the argument of the 'x' and 'y' is just that as
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Answers

10 times as much as .065 and 1/10 of 6.5

How does your answer help you solve a division equation such as X over 7 equals 2

Answers

I am unsure of what you are asking, but x/7=2, and x=14.

THIS IS NOT MULTIPLE CHOICE!!!!! ANSWER EACH PART!!!!A sandwich shop serves 4 ounces of meat and 3 ounces of cheese on each sandwich. After making sandwiches for an hour, the shop owner has used 91 combined ounces of meat and cheese.
How many combined ounces of meat and cheese are used on each sandwich?
How many sandwiches were made in the hour?
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Answers

Answer:

13 sandwhiches.

Step-by-step explanation:
a. 7 ounces, B. 13, C. 52, D.39. I think I’m sorry if I’m wrong.

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Answers

A.) 3 3/4

B.) 4 5/9

C.) 8. 375 - I couldn't solve this one

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Answers

4.5 :) is the correct answer
The answer would be 4.5
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