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3 years ago

PLSSSSSSS HELPPPPPppppp

Mathematics

1 answer:

icang [17]3 years ago

5 0

Answer:

20 units

Step-by-step explanation:

The polygon has 4 vertices as indicated by the 4 coordinate points given.

(3, 1) and (8, 1) is a horizontal side of length 8 - 3 = 5

Similarly

(3, 6) and (8, 6) is the opposite horizontal side of length 8 - 3 = 5

Points (3, 1) and (3, 6) is a vertical side of length 6 - 1 = 5

(8, 1) and (8, 6) is the opposite side of length 6 - 1 = 5

The polygon is therefore a square of side 5 units.

Perimeter = 4 × 5 = 20 units

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The current (I) varies directly as the voltage (V) in an electric circuit. If the current is 4 amperes when the voltage is 100 v

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$\bf \begin{array}{cccccclllll}
\textit{something}&&\textit{varies directly to}&&\textit{something else}\\ \quad \\
\textit{something}&=&{{ \textit{some value}}}&\cdot &\textit{something else}\\ \quad \\
y&=&{{ k}}&\cdot&x
\\
&& y={{ k }}x
\end{array}\\\\
-----------------------------\\\\$

$\bf \textit{l varies directly to V}\implies l=kV
\\\\\\
\textit{now, we also know that }
\begin{cases}
l=4\\
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\end{cases}\implies 4=k100
\\\\\\
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ad-work [718]

Answer: C 44.04%

Step-by-step explanation:

in a normal distribution,

P(Z>z)= 1-P(Z<z) (*)

Here , we need to find : P(Z>0.15)

By using (*) , P(Z>0.15)=1- P(Z<0.15)

= 1- 0.5596 [By p-value table]

= 0.4404

= 44.04% [multiply 100 to convert into percent]

∴ the probability that a data value will fall above the data value associated with a z-score of 0.15 = 44.0%

hence, correct option : C 44.04%

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