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3 years ago

Solve for z. 25z = 175

Mathematics

2 answers:

wariber [46]3 years ago

8 0

Answer: z = 7

Step-by-step explanation:

U first divide both sides by 25

25z/25 = 175/25

z = 7

LUCKY_DIMON [66]3 years ago

6 0

Answer: z = 7

Step-by-step explanation:

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Afina-wow [57]

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<h3>How to determine the area of the convex polygon?</h3>

The vertices are given as:

(0,5), (-1,2), (4,4), (-3,-4) and (2,0)

The area is then calculated as:

$A = \frac 12(\left[\begin{array}{cc}x_1&x_2\\y_1&y_2\end{array}\right] + \left[\begin{array}{cc}x_2&x_3\\y_2&y_3\end{array}\right] + ....+\left[\begin{array}{cc}x_n&x\\y_n&y\end{array}\right] )$

So, we have:

$A = \frac12 * (|-1 * 5 - 2 * 0 + 0 * 4 - 5 * 4 + 4 * 0 - 4 * 2 + 2 * -4 - 0 * -3 -3 * 2 + 4 * 1|)$

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Remove the absolute bracket

$A = \frac12 * 43$

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