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nlexa [21]
3 years ago
10

I need a justification for each line.

Mathematics
1 answer:
brilliants [131]3 years ago
7 0
What is a justification ? Exactly
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You are driving in Canada and the speed limit is 110 kph (kilometers per hour). How fast is that in mph (miles per hour)?
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The answer is 68 mph. Hope this helps :)
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3 years ago
What is equivalent to 1/2 (6x + 12 + 3)? Is it A. 18x + 36 - 9 B. 2x + 4 - 1 C. 2x + 12 - 3 D. 18x + 12 - 3
Kobotan [32]
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3 years ago
A positive real number is 6 less than another. If the sum of the square of the two numbers is 38, then finds the numbers.
Serggg [28]

Answer:

There seems to be a typo error but still this has solution.

Let the number be = x

A positive real number is 6 less than another. Means the second will be (x+6)

The sum of the square of the two numbers is 38.

x^{2} +(x+6)^{2} =38  

=> x^{2} +36+12x+x^{2} =38

=> 2x^{2}+12x+36 =38

=> 2x^{2}+12x=2

=> 2x^{2}+12x-2=0

Taking out 2 common;

=> x^{2}+6x-1=0

Solving this quadratic equation, we get;

x=-3+\sqrt{10} and x=-3-\sqrt{10}

As positive number is needed, we have -3+\sqrt{10}

or x = \sqrt{10}-3

x = 0.162277

And other number is 6.162277.

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3 years ago
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Triangle RST is rotated 180° about the origin, and then
amm1812

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Edge2020

Step-by-step explanation:

<u>RST≅BAC</u>

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2 years ago
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Plz help Major grade 6th grade
avanturin [10]

Answer:

A. 300h = 900

Step-by-step explanation:

V = lwh

900 = (25)(12)h

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300h = 900

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3 years ago
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