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Nezavi [6.7K]
3 years ago
6

Please help cant find anywhere

Mathematics
1 answer:
pentagon [3]3 years ago
8 0

Answer:

The option is first one that is

\frac{m^{7}n^{3}n}{m}

Step-by-step explanation:

Given:

\frac{m^{7}n^{3}}{mn^{-1} },m\neq 0,n\neq 0

After negative exponent eliminated we get

\frac{m^{7}n^{3}n}{m}

Negative exponent :

The variable containing negative powers. Here the variable( n⁻¹) is negative exponent.

Law of indices

a^{-1} = \frac{1}{a}\\\\Here\\n^{-1} = \frac{1}{n}\\\\

\\\textrm{Using law of indices we get}\\\frac{m^{7}n^{3}}{mn^{-1} }=\frac{m^{7}n^{3}}{m\frac{1}{n} } }\\\\ \frac{m^{7}n^{3}}{mn^{-1} }=\frac{m^{7}n^{3}n}{m}

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Evaluate7.2÷0.38.(Round to the hundredth place as needed.)
polet [3.4K]

Answer:

18.95

Step-by-step explanation:

18.94736842 rounded to its nearest hundredth will be 18.95

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3 years ago
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Step-by-step explanation:

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18 in<br> find the area of the circle helppp pleaseeee
scZoUnD [109]
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3 years ago
If the average of x and y is 11 and the average of x, and y z is 5 what is the value of z
qwelly [4]

If the average of x and y is 11 and the average of x, y and z is 5, then the value of z is -7

Given,

The average of x and y = 11

We know average = Sum of the terms / Number of terms

Then, the equation will become

\frac{x+y}{2}=11
x+y =11×2

x+y =22

Average of x, y and z = 5

\frac{x+y+z}{3}=5

x+y+z = 5×3

x+y+z =15

Substitute the value of x+y

22+z=15

z =15-22

x = -7

Hence, If the average of x and y is 11 and the average of x, y and z is 5, then the value of z is -7

Learn more about average here

brainly.com/question/12984400

#SPJ4

6 0
1 year ago
F(x)=x^2+8x-10 find f(a)+5
Papessa [141]

Answer:

We conclude that:

f(a) + 5 = a² + 8a - 5

Step-by-step explanation:

Given

The function is given by

f(x) = x²+8x-10

To determine

f(a)+5

In order to determine f(a)+5, first, we need to determine f(a).

Now substitute x = a in the function f(x) = x²+8x-10

f(a) = (a)² + 8(a) - 10

f(a) = a² + 8a - 10

Thus,

f(a) + 5 = (a² + 8a - 10) + 5

f(a) + 5 = a² + 8a - 5

Therefore, we conclude that:

f(a) + 5 = a² + 8a - 5

4 0
3 years ago
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