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gtnhenbr [62]
2 years ago
6

Marco is measuring two pieces of strings. One piece of string is 15 cm long. The other string is 250 mm long. In centimeters, ho

w long are the pieces of strings together?​
Mathematics
1 answer:
faltersainse [42]2 years ago
5 0

Answer:

400 mm

Step-by-step explanation:

to convert cm to mm, you add a 0, or more specifically, multiply by 10. so, 15 × 10= 150. 250+150=400.

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Step-by-step explanation:

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3 years ago
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8 0
3 years ago
Please help me with this question
iris [78.8K]
A= \pi r^2  \ \ \ and \ \ \ C=2 \pi r \ \ \ \ \to \\  \\  \cfrac{\pi r^2 }{2 \pi r}= \cfrac{22}{1}    \ \  \ \ \to \ \ \ \ \    \cfrac{ r }{ 2}= \cfrac{22}{1} \ \  \ \ \to \ \ \ \ \ r=22*2=44 \ cm \\  \\  \\  C=2 \pi r=2*3.14*44=276.32  \ cm

Answer is 276.32 cm
6 0
3 years ago
Please help need someone’s help ASAP
xxTIMURxx [149]

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Step-by-step explanation:

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