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2 years ago

How bout this 1? yaall kno it

Mathematics

1 answer:

Nana76 [90]2 years ago

5 0

I’m so sorry i don’t know

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. Show that square of any positive integer can not be of form 7q + 3 or 7q+5or 7q + 6, for any integer q

Svetradugi [14.3K]

Step-by-step explanation:

7q + 3 or 7q+5 or 7q + 6

solve for q

7q + 3 =

7q + 3 -3 =-3

7q = -3

7q/7 = -3/7

q = -3/7

7q + 3 =

7q + 6 -6 =-6

7q = -6

7q/7 = -6/7

q = -6/7

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3 years ago

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Step-by-step explanation:

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Juli2301 [7.4K]

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Step-by-step explanation:

$\sec( \alpha ) = \frac{1}{ \cos( \alpha ) } \\ \\ \sec( \alpha ) = \frac{1}{ \frac{ad}{hip} } \\ \\ \sec( \alpha ) = \frac{hip}{ad} \\ \\ \sec( \alpha ) = \frac{41}{40}$

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3 years ago

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If (-5x^5) (a) = 25x^7 + 100x^5, find a

sweet-ann [11.9K]

(-5x^5)(a) = 25x^7 + 100x^5
+5x^5 +5x^5
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3 years ago

the scale of a model train is 1 inch to 13.5 feet. One of the cars of the model train is 5 inches long. What is the lenght, in f

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Step-by-step explanation:

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