2 years ago

This is s free question so answer and get the points

Mathematics

2 answers:

Travka [436]2 years ago

6 0

Answer:

have a good morning/day/night!

Step-by-step explanation:

Vikki [24]2 years ago

6 0

Answer:

hope you have a good night

Step-by-step explanation:

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1. What is the area of a circle with a diameter of 3.4 cm? Round your answer to the nearest tenth. (use 3.14 for pi)

Brilliant_brown [7]

1. The area of a circle is
$a = \pi {r}^{2}$
$\pi = 3.14 \\ r = \frac{3.4}{2} = 1.7$
$a = (3.14) {(1.7)}^{2} \\ = 9.0746$
The area is 9.07 cm^2.

2. The volume of a cube is
$v = {s}^{3}$
$s = 4.5$
$v = {(4.5)}^{3} \\ = 91.125$
The volume is 91.125 m^3

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3 years ago

A. 40, B.80, C.120, D. 160, or E. 400

Rudik [331]

B: 80

All the sides add up to 20 so adding all four sides make 80

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2 years ago

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kifflom [539]

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