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tatyana61 [14]
2 years ago
6

PLEASE HELP 7TH GRADE MATH

Mathematics
1 answer:
Rom4ik [11]2 years ago
6 0

Answer:

2\pi \times r

1. 2×3.14×80

=502.4 m

4. 90 pound on Earth weighs 34 pounds on Mars.

If it weighs 135 pounds on earth, it will weigh x pounds on Mars

=90×=135×34

=90x=4590

=x=4590÷90

x=51 pounds

So therefore it weighs 51 pounds on Mars.

Step-by-step explanation:

in question 4 you have to cross multiply

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