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finlep [7]
4 years ago
6

Please help me with this

Mathematics
1 answer:
kondaur [170]4 years ago
4 0
For number 1a. the answer is 7 to 26 or
7:26 or
\frac{7}{26}
For number 2a. the answer is 8 to 28 or
8:28 or
\frac{8}{28}  or    \frac{2}{7}
For number 3a. the answer is 12 to 13 or
12:13 or
\frac{12}{13}
For number 4a. the answer is 19 to 12 or
19:12 or
\frac{19}{12}
For number 5a. the answer is 29 to 10 or
29:10 or
\frac{29}{10}
For number 6a. the answer is 11 to 28 or
11:28 or
\frac{11}{28}

I just did your homework
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Answer:

x = 2

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Step-by-step explanation:

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4 years ago
Two gears are adjusted so that the smaller gear drives the larger one. if the smaller gear of 3.7cm rotates through an angle of
zepelin [54]

Answer:

<em>The larger gear will rotate through 156°</em>

Step-by-step explanation:

<u>Arc Length</u>

The arc length S of an angle θ on a circle of radius r is:

S = \theta r

Where θ is expressed in radians.

The smaller gear of r1=3.7 cm drives a larger gear of r2=7.1 cm. The smaller gear rotates through an angle of θ1=300°.

Convert the angle to radians:

\displaystyle \theta_1=300*\frac{\pi}{180}=\frac{5\pi}{3}

The arc length of the smaller gear is:

\displaystyle S_1=\frac{5\pi}{3}\cdot 3.7

\displaystyle S_1=\frac{18.5\pi}{3}

The larger gear rotates the same arc length, so:

\displaystyle S_2=\frac{18.5\pi}{3}

\displaystyle \theta_2\cdot r_2=\frac{18.5\pi}{3}

Solving for θ2:

\displaystyle \theta_2=\frac{18.5\pi}{3r_2}

\displaystyle \theta_2=\frac{18.5\pi}{3*7.1}

\theta_2=2.73\ radians

\displaystyle \theta_2=2.73*\frac{180}{\pi}=156

The larger gear will rotate through 156°

7 0
3 years ago
Round 231469.335329 to the nearest thousand
malfutka [58]

Answer: 231,469.335

Step-by-step explanation:

8 0
3 years ago
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The equations have operations, variable, an equal sign in common.

<h3>What is an Equation?</h3>

An equation is a mathematical expression that contains an equals symbol.

As per the definition, the equation contain operations, variable, an equal sign. That means whatever be the equation then it must contain operations, variable, an equal sign.

So, all the equations have operations, variable, an equal sign these three things in common.

For example: 4a+b=0

Learn more about equation here:

brainly.com/question/10413253

#SPJ1

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2 years ago
Every year the United States Department of Transportation publishes reports on the number of alcohol related and non-alcohol rel
kicyunya [14]
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4 years ago
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