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AfilCa [17]
3 years ago
11

Pls help me quickly

Mathematics
1 answer:
Eduardwww [97]3 years ago
8 0
9^3 is in exponential form
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Use the definition of exponential notation to demonstrate why 2^3*4^3=2^9
deff fn [24]
Exponential notation allows the representation of numbers in shorter form.
(2 x 2 x 2)(4x4x4) = 2x2x2x2x2x2x2x2x2
6 0
3 years ago
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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

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6 0
1 year ago
Jackson says he has an odd number of model cars.he has 6 cars on one shelf and 8 cars on another shelf. Is jackson correct? Expl
Rufina [12.5K]
No he would be incorrect because if you add 6 and 8 you get 14 and 14 is an even number. I hope this helps!

3 0
3 years ago
TV and WY are parallel lines.
hichkok12 [17]
Yes they are!

Hope this helps you
4 0
3 years ago
Idk which one it is can someone tell me :(
GenaCL600 [577]
I believe it’s B or C
7 0
3 years ago
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