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-Dominant- [34]
3 years ago
15

1. Solve proportion 12/15 = 18/b

Mathematics
1 answer:
omeli [17]3 years ago
3 0
We solve the as follows:

<span>1. Solve proportion 12/15 = 18/b
</span>( 12/15 = 18/b ) b<span>
( 12b/15 = 18 ) 15/12
b = 18(15/12)
b = 45/2

2. Solve equations 

A. -x + 4 = x +6 
</span>-x + 4 - x = x +6 - x
<span>-2x + 4 - 4 = 6 - 4
-2x = 2
x = -1

B. 5n + 7 =7(n+1) -2n 
5n + 7 = 7n + 7 - 2n
5n -7n + 2n = 7 - 7
0 = 0

C. -4(p+2) + 8 = 2(p-1) - 7p + 15
-4p - 8 + 8 = 2p - 2 - 7p + 15
-4p + 7p - 2p = -2 + 15 + 8 - 8
p =13

3. Solve a/b x - c = 0 for x 
</span>a/b x - c = 0 
( a/b x = c ) b/a
x = bc / a
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Since both are equivalent to y, the equations must be equivalent.
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Plug the values of x in to either equation
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725% work in an organisation 52% of employees or post graduate and the remaining are not post graduate find the number of employ
Liono4ka [1.6K]

Answer: 348

Step-by-step explanation:

Given : Total employees work = 725

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Proportion of employees are not post graduate = 100%-52% = 48%

The number of employees were not post graduate  = 48% of 725

= 0.48 x  725

= 348

Hence, the number of employees were not post graduate  = 348

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Answer:

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Answer:

B. $50

C. y=25x+50

D. $550

Step-by-step explanation:

B. (0, 50)     y=50

C. y=mx+b     y=25x+50

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