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3 years ago

Find the product (-5sqrt3)(8sqrt5)

Mathematics

1 answer:

Vika [28.1K]3 years ago

5 0

-5√3 · 8√5 = -5 · √3 · 8 · √5 = -5 · 8 · √3 · √5 = -40√15

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∆ABC has A(-3, 6), B(2, 1), and C(9, 5) as its vertices. The length of side AB is units. The length of side BC is units. The len

leonid [27]

Answer:

AB = 7.07 units

BC = 8.06 units

AC = 12.04 units

Step-by-step explanation:

To find the length for each side of the triangle, apply the distance formula between each pair of vertices.

AB

$d = \sqrt{(x_2-x_1)^2 + (y_2-y_1)^2} \\d = \sqrt{(2--3)^2 + (1-6)^2} \\d = \sqrt{(5)^2 + (-5)^2} \\d = \sqrt{25 + 25} \\d = \sqrt{50} \\d=7.07$

BC

$d = \sqrt{(x_2-x_1)^2 + (y_2-y_1)^2} \\d = \sqrt{(9-2)^2 + (5-1)^2} \\d = \sqrt{(7)^2 + (4)^2} \\d = \sqrt{49 + 16} \\d = \sqrt{65} \\d=8.06$

AC

$d = \sqrt{(x_2-x_1)^2 + (y_2-y_1)^2} \\d = \sqrt{(9--3)^2 + (5-6)^2} \\d = \sqrt{(12)^2 + (-1)^2} \\d = \sqrt{144 + 1} \\d = \sqrt{145} \\d=12.04$

4 0

3 years ago

How many natural numbers are between 8 2 and 9 2 ?

blondinia [14]

Here is your answer mate

There are ”10 ”natural numbers between 82 and 92

Hope it helps ☺️☺️☺️

Pls mark as brainliest

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Sindrei [870]

Answer:

penispenispenispeinis

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Find atleast 5 numbers between 1/2 and 1/3.

borishaifa [10]

Answer:

12.2 12.3 12.4 12.5

Step-by-step explanation:

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3 years ago

15 one half subtracted by 3 wholes and seventh eights

FromTheMoon [43]

15 and one half is 31/2. 3 and seven eighths is 31/8. 31/2 also equals 124/8. Then the answer is 124/8 - 31/8 is 91/8. Hope that helped.

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