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marin [14]
2 years ago
11

Lisa is asked to draw a triangle with the following specifications:

Mathematics
1 answer:
zimovet [89]2 years ago
8 0
B is correct.

Since two of the angles are complementary, adding up to 90°, the third angle must be 180-90=90°.

However, this does not mean only one triangle exists.  The only information we are given about the two angles is that they are complementary.  This could be 30 and 60; 45 and 45; or multiple other combinations.  This means there is more than one triangle that fits these criteria.
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A 12​-tooth gear on a motor shaft drives a larger gear having 42 teeth. If the motor shaft rotates at 700 ​rpm, what is the spee
nata0808 [166]

Answer:

203 rpm

Step-by-step explanation:

The speed of the larger gear can be calculated using the following equation:

v = \omega*R  

<u>Where</u>:

ω: is the angular velocity of the motor = 700 rpm

R: is the gear ratio

The gear ratio is the following:

R = \frac{n_{(a)}}{n_{(b)}}  

<u>Where:</u>

n(a): is the number of teeth on the small gear = 12 teeth  

n(b): is the number of teeth on the larger gear = 42 teeth

The gear ratio is:

R = \frac{12}{42} = 0.29

Now, the speed of the larger gear is:

v = \omega*R = 700 rpm*0.29 = 203 rpm

Therefore, the speed of the larger gear is 203 rpm.

I hope it helps you!                        

3 0
2 years ago
Mary needs to buy 44 cookies for her party. If 6 cookies come in a package, how many packages of cookies does she buy?
xenn [34]
C because 6 times 8 is 48 which is greater than 42
5 0
3 years ago
Read 2 more answers
Which two features are present in a plant cell but not in an animal cell
RoseWind [281]

Answer:

The two features present in a plant cell, but not in an animal cell are chloroplasts and a large central vacuole.

Step-by-step explanation:

8 0
2 years ago
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What is the period for tangent functions? (Answer in radians)
prisoha [69]

Answer: 2 radians

Step-by-step explanation: You welcome

3 0
2 years ago
HELP ASAP , algebra 1 giving BRAINLIEST , no guessing , please include the letter p in your math sentence.
Alenkinab [10]

Answer:

p<55 or p+48≤55

Step-by-step explanation:

p+48=55

p<55

I don't really know how else to write it?

3 0
2 years ago
Read 2 more answers
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