4 years ago

Libby’s dog stands 7/9 yard tall, and Jeff’s dog stands 5/6 yard tall. How much taller is Jeff’s dog than Libby’s dog?

Mathematics

1 answer:

Travka [436]4 years ago

3 0

5/6 - 7/9 = 15/18 - 14/18 = 1/18 <===

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steposvetlana [31]

Answer:

$\large\boxed{(f+g)(5)=54}$

Step-by-step explanation:

$f(x)=2x^2-10,\ g(x)=x+9\\\\(f+g)(x)=f(x)+g(x)\\\\\text{Substitute:}\\\\(f+g)(x)=(2x^2-10)+(x+9)=2x^2-10+x+9=2x^2+x+(-10+9)\\\\(f+g)(x)=2x^2+x-1\\\\(f+g)(x)(5)\to\text{put x = 5 to the equation of the function:}\\\\(f+g)(5)=2(5^2)+5-1=2(25)+5-1=50+5-1=54$

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2 years ago

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eduard

Answer:

x=3

Step-by-step explanation:

....................

4 0

2 years ago

I need help with this asap please! Any help will be appreciated!

pantera1 [17]

Answer:

n=3

Step-by-step explanation:

64^(1/3)

Note that the exponent 1/3 given stands for the third root of the integer.

64^(1/3) =4

Check: 4 x 4 x 4 = 64

(By comparison of 64^(1/3) to 64^(1/n) means n= 3)

∜(64^(1/3)) =∜(4) = 1.41421356

The real number is

All the roots are:

1.41421356

1.41421356i

−1.41421356

−1.41421356i

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