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Liula [17]
3 years ago
5

Evaluate. –345 + 562 – (–209)

Mathematics
1 answer:
Elena L [17]3 years ago
6 0
Subtracting a negative is the same as adding a positive.
–345 + 562 – (–209)
–345 + 562 + 209
217 + 209
426
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2 years ago
a triangle pyramid with an equilateral base has a side length of 10 centimeters and a surface area of 214.5 square meters. find
sweet [91]
Area of the base = 1/2 * 10 *  5sqrt3 =  25 sqrt3

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3 years ago
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MakcuM [25]

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Best anwser gets brainlist ty show work​
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