Answer:
40 1/3
Step-by-step explanation:
7 1/3 x 5 1/2 =
121 /3 = 40 1/3
14 / (4/9) = x / 1....14 pencils to 4/9 hr = x pencils to 1 hr
cross multiply
(4/9)(x) = (14)(1)
4/9x = 14
x = 14 / (4/9)
x = 14 * 9/4
x = 126/4
x = 31.5 <===
Answer:
1/2
Step-by-step explanation:
So do this, think of an equilateral triangle. A 30-60-90 triangle is just half of an equilateral triangle. If the original side length was x, then the hypotenuse is x, one leg is x/2, and the third, by Pythagorean theorem, is x sqrt3
Sin is opposite over hypotenuse, so we have (x/2)/x = 1/2
Answer:
one has (_) and another has (+)
Answer:
The puzzle is first add the current two numbers and then add their sum to result obtained in previous step.
Step-by-step explanation:
1 + 4 = 5
2 + 5 = 12
12 is obtained by adding 2 + 5 = 7 and adding the result obtained in previous result which is 5 to 7
⇒ 7 + 5 = 12
Now, 3 + 6 = 21
21 is obtained by first adding 3 + 6 = 9 and the previous result obtained is 12
So adding 12 to 9 ⇒ 12 + 9 = 21
Hence, The puzzle is first add the current two numbers and then add their sum to result obtained in previous step.
