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3 years ago

6

Daniel practises his guitar for 40 minutes every day

1 answer:

Juliette [100K]3 years ago

6 0

It would take him 50 years

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The expression (x^-8) (x^3) is equivalent to the expression x^n. what is the value of n?

mash [69]

Answer:

n=-5

Step-by-step explanation:

You must multiply $x^{-8}*x^{3}$ . The laws of exponents state that when multiplying exponents of the same base, you can just add the exponents and raise the base to the sum of the exponents. So, $x^{-8}*x^{3}=x^{(-8+3)}=x^{-5}$ . Since our end product is $x^{-5}$ , n is equal to -5.

7 0

3 years ago

Hey what's the answer ?<br><img src="https://tex.z-dn.net/?f=%28%20%7By%7D%5E%7B2%7D%20%20%2B%20%20%5Cfrac%7B5%7D%7B7%7D%20%29%2

3241004551 [841]

Answer: $y^4$ + $\frac{-73}{35}y^2$ - $2$

Step-by-step explanation:

Use FOIL:

$y^4$ + $\frac{-14}{5}y^2$ + $\frac{5}{7}y^2$ + $\frac{-70}{35}$

Make $\frac{-14}{5}y^2$ and $\frac{5}{7}y^2$ have the same numerator:

$\frac{-14*7}{5*7}y^2 =\frac{-98}{35}y^2$

$\frac{5*5}{7*5} y^2=\frac{25}{35} y^2$

Then add like terms and simplify:

$y^4$ + $\frac{-98}{35}y^2$ + $\frac{25}{35} y^2$ + $\frac{-70}{35}$

$y^4$ + $\frac{-73}{35}y^2$ - $2$

7 0

3 years ago

Read 2 more answers

Each plotted plant costs$4.75, each shrub costs$14.50 .

eduard

8 it is this !!!!!!!!!!!!!!!!

8 0

3 years ago

What is the exponent of 10? <br><br> (Thank you for helping!)

Lemur [1.5K]

Answer:

exponent is 0

Step-by-step explanation:

8 0

3 years ago

Using the work shown on the left, What is the cubed root of 4/ the square root of 2 in simplest radical form

krek1111 [17]

Answer:

⁶√2

Step-by-step explanation:

∛4 = (2^2)^1/3 = 2^2/3

So ∛4 / √2

= 2^2/3 / 2^1/2

= 2^1/6

= ⁶√2

5 0

3 years ago