3 years ago

I need help PLS fr like im dead srs

Mathematics

1 answer:

mr Goodwill [35]3 years ago

6 0

Answer:

5/8

Step-by-step explanation:

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Multiply:(square root 10 + 2 square root 8)( square root 10 - 2 square root 8)

pantera1 [17]

Answer:

-22

Step-by-step explanation:

We need to multiply the following:

$(\sqrt{10} +2\sqrt{8})(\sqrt{10}-2\sqrt{8})$

First, we need to FOIL out this expression, then we can simplify it

$(\sqrt{10} +2\sqrt{8})(\sqrt{10}-2\sqrt{8})\\\\(\sqrt{10})( \sqrt{10} )+(2\sqrt{8})(\sqrt{10})-(2\sqrt{8})( \sqrt{10})-(2\sqrt{8})(2\sqrt{8}) \\\\10+2\sqrt{80} -2\sqrt{80} -4\sqrt{64} \\\\10-4(8)\\\\10-32\\\\-22$

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3 years ago

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Angle 1 and angle 2 are supplementary angles. If the measure of angle 1 is 64°. What is the measure of angle 2?

Fed [463]

Answer:

116

Step-by-step explanation:

supplementary means 180 so 180-64 = 116

hope this helps! :)

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3 years ago

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Whats the square root of 81

lara31 [8.8K]

The answer is 9 because 9x9=81. Hope this helps!

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3 years ago

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For all values of x, which expression is equivalent to (3x + 2) + 2(3x + 2)?

IRISSAK [1]

Answer: It’s D) 9x +6

Step-by-step explanation:

(3x+2)+2(3x+2)

you do distributive property

3x+2+6x+4

then combine like terms

= 9x+6

5 0

3 years ago

PLEASE HELP I NEED ANSWER

Lubov Fominskaja [6]

You have to use the y=mx+b formula to find the equation

7 0

3 years ago