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maw [93]
3 years ago
6

If 8.45% life of each mobile phone is used in a day by a typical user for which mobile phone is 2.1 hours of battery life used i

n a day?
A)20

B)25

C)10

D) 18
Mathematics
1 answer:
mamaluj [8]3 years ago
7 0
8.45% = 0.0845

0.0845(25) = 2.1...ur answer is 25
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In the circle shown, AB is tangent to circle o at point and OC is a radius
Vlada [557]

Answer:

A. \overline{OC} \perp \overline{AB}

Step-by-step explanation:

According to tangent theorem, a tangent is formed when the radius of a circle is perpendicular to the line, meeting at a point around the circle, such that the tangent line would be perpendicular to the radius of the circle with a center.

Given that \overline{AB} is a tangent of the circle O, at a point C, and \overline{OC} is a radius, therefore, it follows that:

\overline{OC} \perp \overline{AB}.

This means the radius of the circle is perpendicular to the tangent formed at point C.

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3 years ago
Model the function rule y = -2x - 3 with a table of values. Show your work
alexandr402 [8]
Here's a table of the function y=-2x-3

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3 years ago
Please help me with this ​
zzz [600]

Answer: Z'(-7;8)

suppose the coordinates of Z' is Z'(x,y)

we have:

\left \{ {{x=8.cos90-7.sin90=-7} \atop {y=8.sin90+7.cos90=8}} \right.

=> Z'(-7;8)

Step-by-step explanation:

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3 years ago
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qaws [65]

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obtuse triangle

Step-by-step explanation:

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Write the equation for the line that passes through (2, -4) and is
Kryger [21]

Answer: y= x-2

Step-by-step explanation:

Perpendicularity entails the slope of line a is -1 divided by the slope of line b

m1= (-1/m2)

From y=Mx +c

We compare with x-4y=7

y=(1/4)x-7/4

Meaning m2= 1/4

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((y+4)/(x-2))= -4

Cross multiply

y+4= -4(x-2)

y= x-2

3 0
3 years ago
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