Answer:
Step-by-step explanation:
Find all solutions to the equation.
7 sin^2(x) - 14 sin x + 2 = -5
7sin^2(x)-14 sin x+7 =0
sin^2(x)-2sin x+1 =0
(sinx-1)(sinx-1)=0
sinx=1
x=π/2+2pi*k, k=integer
Answer:
This is a terminating decimal.
Step-by-step explanation:
11/20 = 0.55
Answer:
17 17^2 = 289
Step-by-step explanation:
Answer:
second equation
Step-by-step explanation:
10a + 12p = 70 (10 goes with almonds [a], 12 goes with pistachios[p], $10 and $12 is price per pound and $70 is total price, so that's why its = to 70)
a + p = 6.3 (this is total almonds and pistachios adding up to 6.3 pounds)
a = pounds of almonds
p = pounds of pistachios
Answer:
the first, second and fifth ones
Step-by-step explanation:
