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Sphinxa [80]
2 years ago
6

in a survery of 1000 families it was found that 710 drink tea with breakfast while 230 drink coffee. the families who drink both

tea and coffee are half in number compared with those who drink neither tee. what's the number of families who drink both tea and coffee?​
Mathematics
1 answer:
Arisa [49]2 years ago
7 0

Answer:

there is 60 families who drink both tea and coffle 710+230=940 that means that the remainder drink both tea and coffe

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Answer:

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Step-by-step explanation:

This is a right triangle, you can see it mainly by the red square in C, and it is always used to mark 90 degrees.

Knowing that, you now know <em>∠C is 90°</em>

Now, to find ∠B, you should use the following equation:

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This means that the sum of the three angles of a triangle gives 180. ALWAYS. So to find the missing angle, ∠B, do the following:

Fill the values of the equation with the angles you now know:

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