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3 years ago

10

There are 5 gears connected in a row, the first one is connected to the second one, the second one is connected to the third one

, and so on.
If the first gear is rotating clockwise, what direction is the fifth gear turning?

1 answer:

IrinaVladis [17]3 years ago

5 0

Answer:

fifth gear is also rotating clockwise

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3 years ago

Read 2 more answers

Factor 15x^2+20x that's my question

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4 years ago

Using the same situation you described in #1, now interpret what the part-to-whole ratio 2:5 means in the situation. Use complet

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3 years ago

No entiendo ayudaaaa

hram777 [196]

This is a pythagorean theorem problem therefore a^2+b^2=c^2
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3 years ago

the annual interest on 17,000 investment exceeds the interest on an 11,000 investment by 308 . the 17,000is invested at a 0.4% h

solmaris [256]

keeping in mind that

$\bf \begin{array}{|c|ll} \cline{1-1} \textit{a\% of b}\\ \cline{1-1} \\ \left( \cfrac{a}{100} \right)\cdot b \\\\ \cline{1-1} \end{array}$

x = percent rate for the 17000 investment.

y = percent rate for the 11000 investment.

so the amount for the 17000 interest will just be (x/100) * 17000, or namely 170x.

and the amount of interest earned for the 11000 is (y/100) * 11000, or just 110y.

now, regardless of what "x" and "y" are, we know that the interest from the 17000 is higher by 308 bucks, therefore 170x = 110y + 308.

we also know that the rate of <u>x</u> is higher as well than <u>y</u> by 0.4%, so then x = y + 0.4.

$\bf \begin{cases} 170x=110y+308\\ \boxed{x}= y +0.4\\[-0.5em] \hrulefill\\ 170\left( \boxed{y+0.4} \right)=110y+308 \end{cases} \\\\\\ 170y+68=110y+308\implies 60y=240\implies y=\cfrac{240}{60}\implies \blacktriangleright y=\stackrel{\%}{4} \blacktriangleleft \\\\\\ x=y+0.4\implies \blacktriangleright x=\stackrel{\%}{4.4} \blacktriangleleft$

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4 years ago