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Ad libitum [116K]
3 years ago
13

3644-878 x 4 = a a+54-21=b a = b =

Mathematics
2 answers:
Dovator [93]3 years ago
8 0

the answer is supposed to be 132 at the most of a

for b it is 165

Sphinxa [80]3 years ago
4 0

Answer:

a=132

b=165

Step-by-step explanation:

,

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2 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
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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)}
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4 0
3 years ago
Which is the correct algebraic expression after combining like terms? 6+8x-7-x
Anarel [89]

Answer:

7x -1 is correct after combining like terms

Step-by-step explanation:

6+8x-7-x

To simplify algebraic expression we combine like terms

In the given expression

-x  or -1x  are same

8x  and -1x  are like terms

6 and -7 are also like terms

8x-1x= 7x

6 - 7 = -1

So 7x -1 is correct after combining like terms

3 0
3 years ago
The purchase price of an iPad is $625.00. There is a 15% discount and the tax rate is
vagabundo [1.1K]

Answer:

$573.75

Step-by-step explanation:

625.00x15%=93.75

625.00-93.75=531.25

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5 0
3 years ago
Read 2 more answers
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Answer:

3 is not 4 is proportional

Step-by-step explanation:

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2 years ago
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