Find the co-ordinates of the mid-point of the line joining the points A(2, -5) and B(6, 9).

Mathematics

1 answer:

Trava [24]2 years ago

4 0

Answer:(4, 2)

Step-by-step explanation:

midpoint is between the x and y blah blah

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Which of the following is an example of the difference of two squares

True [87]

Complete Question: Which of the following is an example of the difference of two squares?

A x² − 9

B x³ − 9

C (x + 9)²

D (x − 9)²

Answer:

A. $x^2 - 9$ .

Step-by-step explanation:

An easy way to spot an expression that is a difference of two squares is to note that the first term and the second term in the expression are both perfect squares. Both terms usually have the negative sign between them.

Thus, difference of two squares takes the following form: $a^2 - b^2 = (a + b)(a - b)$ .

a² and b² are perfect squares. Expanding $(a + b)(a - b)$ will give us $a^2 - b^2$ .

Therefore, an example of the difference of two squares, from the given options, is $x^2 - 9$ .

$x^2 - 9$ can be factorised as $x^2 - 3^2 = (x + 3)(x - 3)$ .

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3 years ago

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1 year ago

What is the percentage of sugar in the syrup made of 10 kg of water and 15 kg of sugar?

ra1l [238]

Step-by-step explanation:

divide the weight of the sugar by the weight of the water then multiply it by hundred