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yKpoI14uk [10]
3 years ago
6

Ax=b(c+x) make x the subject of the formula

Mathematics
1 answer:
beks73 [17]3 years ago
7 0
Ax=b(c+x)
ax=bc+bx
(a-b)x=bc
x =bc/(a-b)
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Which of the following is NOT true?
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F(x)=2x^2+9x+4<br><br> what are the zeros
ikadub [295]

Answer:

(2x+1) (x+4)

Explanation:

The idea is to break down the middle term into two monomials which can be used in the factorization process. Note that  

2.4=8=8.1 , and that we may write 9=8+1 , which may help us in the process.

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2x^2+9x+4

=2x^2+8x+x+4

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7 0
3 years ago
For each of the following situations, is the percent of change between 20% and 30%?
miss Akunina [59]

Answer:

  a) yes

  b) no

  c) no

Step-by-step explanation:

a) The percentage change from 12 to 15 is ...

   (15/12 -1)·100% = 1/4·100% = 25% . . . . between 20% and 30%

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b) The height increased by 61-52 = 9 inches. 20% of 52 inches is 10.4 inches, so the increase was less than 20%.

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c) The increase was negative, so was not between two positive values.

___

In summary ...

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  b) no, 17.3% is NOT between 20% and 30%

  c) no, -33.3% is NOT between 20% and 30%

_____

A percentage change can be calculated from ...

  ((new value)/(old value) -1) × 100%

5 0
4 years ago
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faltersainse [42]

Answer:

y=27,x=4.5

Step-by-step explanation:

3 0
4 years ago
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