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Nataliya [291]
3 years ago
5

Two-thirds of a number is equal to negative one-fifth. what is the number?​

Mathematics
2 answers:
Nataly_w [17]3 years ago
8 0
-7 1/2 just because they said so
elena-s [515]3 years ago
3 0

Answer:

-7 1/2

Step-by-step explanation:

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\dfrac{3x+2}{x+1}>4
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Help and explain ///////////////////////////
Ilia_Sergeevich [38]

Hello,

First, you must understand that

(f-g)(x) means f(x)-g(x) it is the difference of two functions :

f(x)=2x+4 and g(x)=3x-7

f(5)=2*5+4=10+4=14

g(5)=3*5-7=15-7=8

So, (f-g)(5)= f(5)-g(5)=14-8<u>=6</u>

Answer A: none of the choices are correct.

An other way to do it:

(f-g)(x)=f(x)-g(x)=2x+4-(3x-7)= 2x-3x+4+7=-x+11

if x= 5 then (f-g)(5)=-5+11<u>=6</u>

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The answer would be 61. First, if you are trying to figure out the pattern. You must subtract the second number with the first then fourth number with the fifth and so on, you get.

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Basing on the pattern of the set of numbers, x will equal 9, To get this you must do 52 and 9 which will equal 61.
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