Answer:
x=6
Step-by-step explanation:
42/7=6
6*7=42
42/6=7
So, works in all ways.
Hope this helps!
Answer:
a) -4
b) +343
Step-by-step explanation:
a) 10 shares - loss $40
1 share --- ?
? = 40 / 10 = 4 decrease
b) each week 7 members increase for 49 weeks
so total increase = 7 * 49 = 343
Answer:
155
Step-by-step explanation:
because he's skipping
Answer:
√(2 - 7x) + 2x = 0
√(2 - 7x) = - 2x
[√(2 - 7x)]² = (- 2x)²
2 - 7x = 4x²
4x² + 7x - 2 = 0
4x² + 8x - x - 2 = 0
4x(x + 2) - (x + 2) = 0
(4x - 1)(x + 2) = 0
4x - 1 = 0 => 4x = 1 => x₁ = 1/4
x + 2 = 0 => x₂ = - 2
33.52 is
419% of 8
Divide the two numbers (33.52 by 8):

Change the decimal into a percentage by multiplying the decimal by 100: