3 years ago

Which polynomial expression represents the area of the outermost square tile, shown below?

Mathematics

1 answer:

erastova [34]3 years ago

5 0

Answer:

x² - 6x + 9

Step-by-step explanation:

(x - 3)² = x² - 6x + 9

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Use substitution to solve each system of equations:<br><br> x=y+6<br> x+y=10

Fittoniya [83]

= (y+6) +y =10
= 2y + 6 = 10
= 2y = 4
Y= 2

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3 years ago

In his boat, Sheldon can travel 45 mi downstream in the same time that it takes to travel 9 mi upstream. If the rate of the curr

Nataliya [291]

Answer:

9 mph

Step-by-step explanation:

-let x be the speed of current and t be time. The speed equation for both directions can then be represented as:

$Speed=\frac{Distance}{Time}\\\\\#Upstream\\(u-6)t=9\\\\\#Donwstream\\\\(u+6)t=45$

#Since t is equal in both, we can do away with t.

#We the divide the downstream equation by the upstream equation as:

$\frac{u+6}{u-6}=\frac{45}{9}\\\\(u+6)=5(u-6)\\\\u+6=5u-30\\\\4u=36\\\\u=9$

Hence, the boat's speed in still water is 9 mph

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All of the factory workers in a steel mill either purchased their breakfast in the company cafeteria or brought their breakfast

VladimirAG [237]

Answer:

Step-by-step explanation:

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Help me find the answer <br>Tan 0 and Cot O

vesna_86 [32]

Answer:

Step-by-step explanation:

we can say the angle is also +45° going in the clock wise direction. so take Tan(45)= 1

Cot(45) = 1

b/c Tan(45) = Sin(45) /Cos(45) = ( $\sqrt{2}$ /2) / ( $\sqrt{2}$ /2) ofc that's just 1

b/c Cot(45) = Cos(45) / Sin(45) , which is the same as above 1

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It’s not a good idea to beg

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