Answer:
Step-by-step explanation:
another way to express 52+24 is 4(13+6)
Answer:
A chair costs $1.25 and a table costs $6.50
Step-by-step explanation:
2(1.25) = 2.50
3(6.50) = 19.50
2.50 + 19.50 = 22
4(1.25) = 5
8(6.50) = 52
5 + 52 = 57
Answer:
15.7
Step-by-step explanation:
3.14(5)
Answer:
9°
Step-by-step explanation:
You can make use of any of the trigonometric ratios to determine N, or you can let your calculator tell you what it is by solving the triangle.
SOH CAH TOA reminds you that
... sin(N) = 13/85 . . . . N = arcsin(13/85)
... cos(N) = 84/85 . . . N = arccos(84/85)
... tan(N) = 13/84 . . . . N = arctan(13/84)
all will tell you N ≈ 8.79741° ≈ 9°
_____
If you use inverse functions on your calculator, be sure it is in <em>degrees mode</em>.
Answer:
x = (4r +3)/(r +2)
Step-by-step explanation:
Collect x terms, then divide by the coefficient of x.
x(r +2) = 4r +3
x = (4r +3)/(r +2)