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pishuonlain [190]
3 years ago
15

1.What is the value of X? show calculations and formulas

Mathematics
1 answer:
Genrish500 [490]3 years ago
5 0
The interior angles of a polygon add up to 720°.
so
x=720°-100°-133°-120°-128°-112°
x=720°-593°
x=127°
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14 - x = age of years ago.

Step-by-step explanation:


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Which of the given lengths make a right triangle?
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7.For tire size P225/45R17, give the following: Width(mm): _______________ Aspect Ratio (%): _______________ Height (in.): _____
irakobra [83]

The width is the first numbers.

Width = 225 mm

Aspect ratio is the second number.

Aspect ratio is 45

Aspect ratio is width / height.

You have the ratio and width so you can calculate the height:

Multiply the width by the ratio:

Height = 225 x 0.45 = 101.25 mm

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The rim

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Round the answers as needed.

3 0
3 years ago
The power generated by an electrical circuit (in watts) as a function of its current x xx (in amperes) is modeled by P ( x ) = −
marysya [2.9K]

Given:

The power generated by an electrical circuit (in watts) as a function of its current x (in amperes) is modeled by

P(x)=-15x(x-8)

To find:

The current which will produce the maximum power.

Solution:

We have,

P(x)=-15x(x-8)

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Differentiate with respect to x.

P'(x)=-15(2x)+120(1)

P'(x)=-30x+120      ...(i)

To find the extreme point equate P'(x)=0.

-30x+120=0

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Divide both sides by -30.

x=4

Differentiate (i) with respect to x.

P'(x)=-30(1)+(0)

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It means, the given function is maximum at x=4.

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7 0
3 years ago
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nasty-shy [4]
G(x) when x = -3 : 4 - 3(-3) = 13
2. 4
3. -11
5 0
3 years ago
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