Answer:
n = 6
Step-by-step explanation:
4(3-6n)-4n=-156 (by PEDMAS, solve parentheses first)
(4)(3) - (4)(6n) - 4n = - 156
12 - 24n - 4n = -156
12 - 28n = -156 (subtract 12 from both sides)
-28n = -156 - 12
-28n = -168 (divide both sides by -28)
n = -168 / (-28)
n = 6
Answer:
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Step-by-step explanation:
Answer:
19: 5
Step-by-step explanation:
Total fruit is 5+10+4 = 19
fruit: pears
19: 5
Answer:
Common ratio = 1/2 and first term = 384
or common ratio = -1/2 and first term = -384.
Step-by-step explanation:
T6/T4 = r^5 / r^3 where r = the common ratio and T6 and T4 are 6th and 4th terms
r^5 / r^3 = 12/48
r^2 = 1/4
so r = +/- 1/2.
The 4th term = a r^3 where a = first term.
If r = 1/2:-
48 = a *(1/2)^3 = a/8
a = 8*48
= 384.
if r = -1/2, then a = -384
Let x = the larger number
Let y = the smaller number
x + y = 93
x - y = 19 Add the two equations together.
2x = 112 Divide both sides of the equation by 2.
x = 56
56 + y = 93 Subtract 56 from both sides of the equations.
y = 37
