cassmoney94
29.01.2020 •
Mathematics
The price of a hat is $27.when it goes on sale, it wll be 1/3.how much would you save if you were to buy ti on sale
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Ответ:
You would save $18
Step-by-step explanation:
(27/3)*2 = $18
Ответ:
#2) 9.8 ft
#3) 56 in
#4) 5.2
#5) 13
#6) 5.4 ft
For #1, we have the two legs of the triangle and must find the hypotenuse. Using the Pythagorean theorem, we have:
3²+5²=x²
9+25=x²
34=x²
√34 = x ≈ 5.8 mi
For #2, we have one leg and the hypotenuse:
x²+2²=10²
x²+4=100
Subtract 4 from both sides:
x²=96
Take the square root of both sides:
x=√96≈9.8 ft
For #3, we have one leg and the hypotenuse:
x²+42²=70²
x²+1764=4900
Subtract 1764 from both sides:
x²=3136
Take the square root:
x=√3136=56 in
For #4, the height splits the base into half; we have one leg and the hypotenuse:
x²+3²=6²
x²+9=36
Subtract 9 from both sides:
x²=27
Take the square root:
x=√27 = 5.2
For #5, we have both legs:
5²+12²=x²
25+144=x²
169=x²
Take the square root:
x=√169=13
For #6, we have both legs:
5²+2²=x²
25+4=x²
29=x²
Take the square root:
x=√29 = 5.4 ft