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Andreyy89
3 years ago
8

Solve x=4 (.34x + 1.4)

Mathematics
1 answer:
ss7ja [257]3 years ago
5 0
First, you have to multiple 4 to (.34x+1.4) and you will get (1.36x+5.6). Then you subtract 1.36x to the right side and you will get (-0.36x=5.6). Finally, divide both sides by -0.36 and you will end up with -140/9 as your answer.
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3 years ago
PLEASE HELP
Viefleur [7K]
7x²=9+x
so
for
0=ax²+bx+c

x=\frac{-b+/-\sqrt{b^2-4ac}}{2a}
so

7x²=9+x
mins 9 from both sides and minus x
7x²-1x-9=0
a=7
b=-1
c=-9


x=\frac{-(-1)+/-\sqrt{(-1)^2-4(7)(-9)}}{2(7)}
x=\frac{1+/-\sqrt{(-1)^2+4(7)(9)}}{2(7)}
so the 4th one
4 0
3 years ago
I need help, please, I'm willing to give 24 points!
Margaret [11]
(1) 2 of one step equations

x - 23 = 8
x - 23 + 23 = 8 + 23
x = 31

n + 2 = 9
n + 2 - 2 = 9 - 2
n = 7

(2) 2 equations with fractions

3/4 (x + 3) = 9
4 [ 3/4 (x + 3) ] = 4[9]
3 (x + 3) = 36
3x + 9 - 9 = 36 - 9
3x/3 = 27/3

1/3 x 3/4
cross multiply
so 3/12 and simplify which makes it
1/4

(3) distributive property

3(2 + 4) = (3 • 2) + (3 • 4)
3(6) = 6 + 12
18 = 18


4 0
3 years ago
$14,700 list price. 20% trade discount what is paid
Harman [31]
$2,940, because it’s 20% of $14,700
6 0
3 years ago
Read 2 more answers
What is 8/12 and 7/8 close to 0, 1, 1/2
Genrish500 [490]
It is closer to 1 hope i helped

8 0
3 years ago
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