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daser333 [38]
3 years ago
15

Please help me i need this right nowpleaseedcd vid,

Mathematics
1 answer:
ExtremeBDS [4]3 years ago
4 0

Answer:5) c= 25.12 cm

6) c= 282.6 m

7) c= 13.188 mi

8) c= 6.28 cm

Step-by-step explanation:

C= 2 x pi x r

Circumference = 2 x 3.14 x radius ( radius is half the diameter of the circle)

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VikaD [51]
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Combine like terms 4a2-3b2+ 4b + 10a2
jolli1 [7]

Answer:

14a² - 3b² + 4b

Step-by-step explanation:

Like terms are the terms that have similar stuff on it, like same variables, no variables, and stuff like that.

4a2-3b2+ 4b + 10a2

4a² and 10a² is similar. 4a² + 10a² = 14a²

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Hope this helps!!

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4 0
3 years ago
Evaluate and simplify the following complex fraction.:6/7 ÷ 3/11​
inna [77]

Answer:

3  7/50

Step-by-step explanation:

so you need them to become common denominators

a common multiple they both have would be is 77

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keep the 66/77 as is and flip 21/77 (keep, change, flip)

so now our equation looks like this: 66/77 x 77/21

and your answer is 3.14

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3 0
2 years ago
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