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2 years ago

7

............................

1 answer:

Kay [80]2 years ago

3 0

The mistake is that that is an equilateral triangle with the same answer for each side which is 6 so AC=6 BC=6 BA=6 all sides equal 6

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HELP PLEASE URGENT!!!!

loris [4]

<span>Equations:
g + b + 0 = 1500
g + 0 + r = 750
g + b + r = 2000
============
</span><span>g = 250
b = 1250
r = 500
============
Happy Valentines :)</span>

4 0

2 years ago

What is 57.8 minus 4.07 SIMPLIFY.

LenaWriter [7]

57.80 - 4.07

= 57.80 - 4.00 - 0.07

= 53.80 - 0.07

= 53.73

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2 years ago

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Fill in the blank to make the two fractions

Hunter-Best [27]

Answer:

18

Step-by-step explanation:

3/4

24 ÷ 4 = 6

Multiply the top and bottom by 6

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3 years ago

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One third of eleven sixteenths

raketka [301]

1/3 times 11/16 equals 11/48

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3 years ago

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Solve the following quadratic equation.<br><br> 3(x + 5)^2 = 60

RoseWind [281]

To solve this equation we could use:

$a^2-b^2=(a+b)(a-b)$

There will be:

$3(x + 5)^2 = 60\qquad|:3\\\\(x+5)^2=20\\\\(x+5)^2=\big(\sqrt{20}\big)^2\\\\ (x+5)^2=\big(\sqrt{4\cdot5}\big)^2\\\\(x+5)^2=\big(\sqrt{4}\cdot\sqrt{5}\big)^2\\\\(x+5)^2=\big(2\sqrt{5}\big)^2\\\\(x+5)^2-\big(2\sqrt{5}\big)^2=0\\\\ (x+5+2\sqrt{5})(x+5-2\sqrt{5})=0\\\\\\x+5+2\sqrt{5}=0\qquad\vee\qquad x+5-2\sqrt{5}=0\\\\\boxed{x=-5-2\sqrt{5}\qquad\vee\qquad x=-5+2\sqrt{5}}$

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3 years ago

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