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Olenka [21]
2 years ago
7

Please help! Will give 20 Brainly points!

Mathematics
2 answers:
pshichka [43]2 years ago
5 0

Answer:

Part A: 3:2 or 3 to 2

Part B: 18 + 12 = 30

yan [13]2 years ago
4 0

ANSWER: 18 blue ribbons and 12 red ribbons

Step-by-step explanation:

for every 3 blue ribbons there is 2 red ones

so if we add 3+2 that is 5 then divide 30 by 5 would be 6 and then separate back into basic numbers so there would be 6 threes and six twos so 18 and 12.

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Answer: 15

Step-by-step explanation:

For this you will have to use pythagoras’ theorem.

The formula for the shorter side of this triangle is u²=c²-b² (or in this case u²=17²-8²).

17²=289

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The formula becomes u²=289-64 or u²=225

Then to find u on its own you have to square root 225.

The square root of 225 is 15.

3 0
3 years ago
Can anybody help with this one ...... ?
VLD [36.1K]

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Step-by-step explanation:

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Answer:

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2 years ago
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3 years ago
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Ostrovityanka [42]
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