4 years ago

BRIANLIEST Help Question 3 (1 point)

Mathematics

1 answer:

Assoli18 [71]4 years ago

8 0

Rd st is xy yz (c) look at order. Rs is the first two and xy is the first two. Same for the second but last two.

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What is the mean of the set of numbers?

Llana [10]

The mean of your question would be -2.5

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A rectangle has a length that is 6 cm less than the width. The area of the rectangle is 72 cm squared. Find the dimensions of th

kow [346]

Answer:

width = 12, length = 6

Step-by-step explanation:

x(x - 6) = 72

x² - 6x = 72

x² - 6x - 72 = 0

(x - 12)(x + 6) = 0

x = 12 or -6

length cannot be negative so x = 12

width = 12 and length = 6

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3 years ago

Given points (-3;-6), G(3; -2) and H(6; 1); determine:<br> (a) The equation of line FG

makvit [3.9K]

Answer:

The equation of line FG is $y = \frac{2}{3}x - 4$

Step-by-step explanation:

Equation of a line:

The equation of a line has the following format:

$y = mx + b$

In which m is the slope and b is the y-intercept.

F(-3;-6), G(3; -2)

When we have two points, the slope is given by the change in y divided by the change in x. So

Change in y : -2 - (-6) = -2 + 6 = 4

Change in x: 3 - (-3) = 3 + 3 = 6

Slope: $m = \frac{4}{6} = \frac{2}{3}$

$y = \frac{2}{3}x + b$

Finding b:

(3; -2) means that when $x = 3, y = -2$ . We use this to find b.

$y = \frac{2}{3}x + b$

$-2 = \frac{2}{3}(3) + b$

$2 + b = -2$

$b = -4$

The equation of line FG is $y = \frac{2}{3}x - 4$

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3 years ago