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m_a_m_a [10]
2 years ago
5

What is the completely factored form of this polynomial? 4x4+12x2+9

Mathematics
1 answer:
nlexa [21]2 years ago
6 0
When it says 4x4 and 12x2 does that mean it’s squared or multiplied by those?
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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
First to answer gets brainlest! Hurry this is a test.
serg [7]

Answer:

Second one

Step-by-step explanation:

4 0
3 years ago
R minus the sum of 4 and p equals
UkoKoshka [18]

Answer:

r - (4 + p)

Step-by-step explanation:

{that's how you write it if that's what you are asking}

4 0
2 years ago
Look at pic 10 pts will mark brainilest
telo118 [61]

Answer:

can we go with D. 54 ?

the height and length is 9 and 6

9x6= 54

7 0
2 years ago
Read 2 more answers
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.
Maurinko [17]

Answer:

616 square centimeters

Step-by-step explanation:

Area of a circle is equal to pi × r^2. In this case, they have asked that you substitute 3.14 or 22/7 for pi, so I will be using 22/7, instead.

Diameter is equal to 2r; to find the radius, simply divide 28 by two. This gives us a radius of 14.

Multiply 14 squared by 22/7:

(22/7)(14^2)

This gives us (22/7)(196); (4312/7); 616.

Therefore, the area of the circle is approximately 616 square centimeters.

8 0
2 years ago
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