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Serhud [2]
3 years ago
10

A college has

Mathematics
1 answer:
gladu [14]3 years ago
8 0
Total-107
Male teacher-n
Female teacher-n+23
N+n+23=107
2n+23=107
2n= 84
N=42

Male teacher-42
Female teacher-42+23=65
65/107 teacher are female

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Three added to eight times a number is the same as three times the value of two times the number -1
emmainna [20.7K]

Answer:

The number x is -3

Therefore x=-3

Step-by-step explanation:

Given problem is "Three added to eight times a number is the same as three times the value of two times the number -1"

Let x be the number

It can be written as

3+8\times x=3(2\times x-1)

3+8x=3(2x-1)  ( applying the distributive property )

3+8x=3(2x)+3(-1)

3+8x=6x-3

subtracting (6x-3) on both sides we get

3+8x-(6x-3)=6x-3-(6x-3)

3+8x-6x+3=6x-3-6x+3

6+2x=0 ( ading the like terms )

2x=-6

x=-\frac{6}{2}

Therefore x=-3

The number x is -3

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3 years ago
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Answer: 10^-4

Step-by-step explanation:

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Step-by-step explanation:

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Can you help me with the first one I’m not sure what to do so I can do the rest of them
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To answer this question, we need to write all sets of numbers that the given number belongs to.

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