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natta225 [31]
2 years ago
6

Don't know this one, please help

Mathematics
2 answers:
vekshin12 years ago
3 0

Answer:

D) 45/n 11

Step-by-step explanation:

(6n^-5(3n^-3)

= 6n^-5×9n^-6

= 54n ^-11

= 54/n 11

hope it helps..

Paladinen [302]2 years ago
3 0

Answer:

D. 54/n¹¹

Step-by-step explanation:

(6n⁻⁵)(3n⁻³)²

<em>Note that (ax)ᵇ=aᵇxᵇ</em>

(6n⁻⁵)(3²)(n⁻³)²

(6)(n⁻⁵)(9)(n⁻³)²

54(n⁻⁵)(n⁻³)²

<em>Note that (xᵃ)ᵇ=xᵃᵇ</em>

54(n⁻⁵)(n⁻³⁽²⁾)

54(n⁻⁵)(n⁻⁶)

54(n⁻⁵)(n⁻⁶)

54(n⁻⁵)(n⁻⁶)

<em>Note that (xᵃ)(xᵇ)=xᵃ⁺ᵇ</em>

54(n⁻⁵⁻⁶)

54n⁻¹¹

<em>Note that x⁻ᵃ=1/xᵃ</em>

54/n¹¹

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Collen family plans to paint the window of their house. her father will paint twice as many window as her mother, and collen and
valina [46]

Answer:

21 windows

Step-by-step explanation:

collen family plans to paint the windows of their house. her father will paint twice as many windows as her mother, and collen and her 2 brothers will paint an equal number of the rest of the windows. Colleen decided to do her own share and her mother's share and paints 7 window, which is one less than her father's share. how many windows are in their house?

Answer: Let the number of window Collen father would paint be a while that of her mother be b. Since her father will paint twice as many window as her mother, therefore the number of windows painted by the father a = 2b

Let the number of windows that would be needed to be painted each by Colleen and her 2 brothers be c because they would paint the equal number of windows.

The total number of windows to be painted = 2b + b + c + c + c = 3b + 3c = 3(b + c).

Collen painted 7 windows as her mother and her own share which is one less than the fathers share. Therefore b + c = 7.

Also the fathers share a = 2b = 7 + 1 = 8 windows. Therefore b = 4 which is the mother share

Therefore the total number of windows = 3(b + c) = 3(7) = 21 windows

3b + 3c =  21

3(4) + 3c = 21

12 + 3c = 21

3c = 21 - 12

3c = 9

c = 3 which is collen and her brothers share

6 0
3 years ago
What is the value of x?
blsea [12.9K]
Since these are supplementary angles  (two angles which sum to 180°) we can say:

4x+x=180  combine like terms on left side

5x=180  divide both sides by 5

x=36°
3 0
3 years ago
What is the slope of this line?
olga2289 [7]

Answer:

3

Step-by-step explanation:

In the Slope-Intercept Formula, <em>y</em><em> </em><em>=</em><em> </em><em>mx</em><em> </em><em>+</em><em> </em><em>b</em><em>,</em><em> </em><em>m</em><em> </em>is the <em>Rate</em><em> </em><em>of</em><em> </em><em>Change</em><em> </em>[<em>Slope</em>]. Anyway, starting from the <em>y-intercept</em><em> </em>of [0, 2], move 3 units <em>north</em><em> </em>over 1 unit <em>east</em><em>.</em><em> </em>That is called <em>rise</em><em>\</em><em>run</em><em> </em><em>→</em><em> </em>3\1 = 3.

I am joyous to assist you anytime.

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2 years ago
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ZanzabumX [31]

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