Answer:
n = -13
Step-by-step explanation:
√10 - 3n = 7 ⇔
⇔ 10 - 3n = 49 ⇔ We need to remove the square root. Ex: √n = 2 ⇔ n = 2²
⇔ -3n = 49 - 10 ⇔
⇔ -3n = 39 ⇔
⇔ n =
= -13 (as -3 changes members, as it was multiplying, it now divides, conversion).
Using the formulaA=a+b2hSolving forhh=2Aa+b=2·1400 20+50=40cm
Answer:
b=74 degrees c=1O6 degrees
Step-by-step explanation:
B is 74 because its across from the 74 degrees
C is 1O6 degrees because 18Odegrees-74degrees-1O6degress