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Ludmilka [50]
3 years ago
14

If 9 - 6x = 45 find the value of x - 4

Mathematics
2 answers:
BartSMP [9]3 years ago
5 0
First of all, we need to find the value of x: 9 - 6x = 45, 45 - 9 = 36 
                                                                       -6x = 36, Divide both sides by -6
                                                                        x = -6
 So as we got the value of x, now we can find the value of x - 4 as well:
x - 4 ( x = -6)
-6 - 4
-6 + -4
= -10

Answer : -10 

Hope this helps =)
Have a nice day!
Lesechka [4]3 years ago
3 0
9minus 45= 36 and 36/-6= -6 so x=-6 therefore the answer is -10
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The ratio of the circumferences of two circles is 2:3. If the large circle has a radius of 39cm what is the radius of the small
maks197457 [2]
You just multiple my guy. 2:3 is like 2/3. What is 2/3 of 39
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Factor 54+2754+27 using the GCF.
torisob [31]
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Your answer would be for the GCF would be 27

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3 years ago
If it takes 4 men 6 hours to repair a road, How long will it take 3 men to do the job if they work at the same rate ? A) 5 hours
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3 years ago
Find first derivative f(x)= x² - 4 /x³ + 9 ​
vitfil [10]

Answer:

f'(x) = 2x + \frac{12}{x^{4} }

Step-by-step explanation:

differentiate using the power rule

\frac{d}{dx} ( ax^{n} ) = nax^{n-1}

Given

f(x) = x² - \frac{4}{x^3} + 9 = x² - 4x^{-3} + 9 , then

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5 0
2 years ago
Read 2 more answers
Please help!
lidiya [134]
Let’s start out by breaking down the equation

1. eight more than. we know this must mean we are adding 8, so (+ 8)

2. the difference of a number and sixteen. we know the number (x) and 16 are being subtracting as indicated by the word difference, so (x-16)

now let’s combine them (x-16) + 8

let’s set it equal to 0, just to confirm it is correct.
(x-16) +8 = 0
x-16 = -8
x = 8

so substituting x for 8 in the translation: (8-16) + 8 = 0
-8 +8=0

it is correct! :)
6 0
3 years ago
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