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2 years ago

Looking for answer for this answer

Mathematics

2 answers:

astra-53 [7]2 years ago

5 0

The answer is the last one!!

zhuklara [117]2 years ago

4 0

Answer:

The last option

Step-by-step explanation:

$a^{-4} =\frac{1}{a^{4} }$

then

$2a^{-4} m^{5}=\frac{2m^{5} }{a^{4} }$

Hope this helps

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I WILL GIVE 20 POINTS TO WHOEVER HELPS

Roman55 [17]

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3 years ago

Which expression can be used to find the surface area of the following square pyramid?

olasank [31]

I think it’s c sorry if it’s wrong

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2 years ago

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Help me with #5 pleaseeeeeeeeeee

earnstyle [38]

Answer:

$\angle 1 = 45$ degrees

Step-by-step explanation:

Sum of 3 angles in a triangle is 180..

The angles given are:

7x + 12

So we sum to 180 and write:

$60+7x+12+\angle 1=180\\72+7x+\angle 1=180\\7x+\angle 1=108$

Also, straight angle is 180 degrees, thus Angle 1 and (14x + 9) angle is sum to 180, thus we can write:

$14x+9+\angle 1=180\\14x + \angle 1=171$

Or we can write this as:

$14x + \angle 1=171\\\angle 1 = 171 - 14x$

We substitute this expression for Angle 1 into 1st equation we got and solve for x first,

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Since x = 9, the angle "14x + 9" would be:

14(9) + 9 = 135

Hence Angle 1 would be:

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2 years ago

D=7.9cm. what is the circumference and area of the circle?

In-s [12.5K]

Circumfrence: pi times diameter
7.9* $\pi$
circumfrence is approximatley 24.806

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Answer:

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Step-by-step explanation:

HOPE THAT HELPS YOU

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