clarissajimenez27
22.07.2020 •
Mathematics
What is the length of the missing side? 6.7 49 45 None of these choices are correct.
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Ответ:
b = sqrt(45)
Step-by-step explanation:
This is a right triangle, so we can use the Pythagorean theorem
a^2 + b^2 = c^2 where a and be are the legs and c is the hypotenuse
2^2 + b^2 = 7^2
4 + b^2 = 49
Subtract 4 from each side
b^2 = 49-4
b^2 = 45
Take the square root of each side
sqrt(b^2) = sqrt(45)
b = sqrt(45)
Ответ:
680,000
Step-by-step explanation:
Look at the hundreds place if it's 5 or higher you round up the thousands place by one. Every place to the right of the hundreds place turns into a zero.