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SIZIF [17.4K]
3 years ago
8

The distance between points (X7, Yı) and (4, 8) is the square root of (x7 - 8)2 +

Mathematics
1 answer:
serious [3.7K]3 years ago
6 0

Answer:

B. False

Step-by-step explanation:

Given

Points: (x_7 - y_i),(4,8)

Required

Is the distance between them \sqrt{(x_7 - 8)^2 + (y_1 - 4)^2}

Given that there are two points, the distance between them is calculated using

Distance = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}

In this case;

(x_1,y_1)= (x_7 - y_i)\\(x_2,y_2) =(4,8)

Substitute these in the given formula

Distance = \sqrt{(4- x_7)^2 + (8 - y_1)^2}

Comparing this with the given formula, both are not the same;

Hence, the formula is false and the correct formula is of the form \sqrt{(4- x_7)^2 + (8 - y_1)^2}

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3 years ago
In the accompanying diagram of ABC ca is extended to D, m∠ABC = 70 and m∠BCA =50 Find m∠DAB
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Answer:

<em>120 degrees</em>

Step-by-step explanation:

Find the diagram attached.

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The sum of interior angle of the triangle is equal to exterior

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19. Ms. Porter had eight parties at her house last year. The number of guests at each party
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