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Setler [38]
3 years ago
13

!!!WILL MARK THE BRAINIEST!!!

Mathematics
2 answers:
Genrish500 [490]3 years ago
8 0

Answer:

\frac{1}{4^{8} } or 4^{-8} but the correct way would be \frac{1}{4^{8} }

Step-by-step explanation:

Last time I did this I was like in 8th grade so I had to watch a video lol, but basically... If you want the answer to stay in exponential form and if the base number is the same than all you gotta do is add or subtract the exponents.

-8+0=-8

But when it's a negative exponent you gotta make it positive by flipping it, so instead of 4^{-8} it will be \frac{1}{4^{8} }

Nina [5.8K]3 years ago
5 0

Answer:

1/65536

Step-by-step explanation:

4^-8 \times 4^0

1/4^8 \times 1

1/4^8

=0.00001525878

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A three inch diameter pulley on an electric motor that runs at 1800
Bezzdna [24]

Answer:

a) 3 inch pulley: 11,309.7 radians/min

6) 6 inch pulley: 5654.7 radians/min

b) 900 RPM (revolutions per minute)

Step-by-step explanation:

Hi!

When a pulley wirh radius R rotantes an angle θ, the arc length travelled by a point on its rim is Rθ.  Then the tangential speed V is related to angular speed  ω as:

V=R\omega

When you connect two pulleys with a belt, if the belt doesn't slip, each point of the belt has the same speed as each point in the rim of both pulleys: Then, both pulleys have the same tangential speed:

\omega_1 R_1 = \omega_2 R_2\\

\omega_2 = \omega_1 \frac{R_1}{R_2} =1800RPM* \frac{3}{6}= 900RPM

We need to convert RPM to radias per minute. One revolution is 2π radians, then:

\omega_1 = 1800*2\pi \frac{radians}{min} = 11,309.7\frac{radians}{min}

\omega_2 = 5654.7 \frac{radians}{min}

The saw rotates with the same angular speed as the 6 inch pulley: 900RPM

3 0
4 years ago
the price of a bike at store A is 5/6 the price at store B . The price at store A is 150.60.wriite an equation and solve to see
Tasya [4]
(5/6)      100
------  =  ------
   x      150.60
7 0
3 years ago
Area is 180,length is 1 1/4,what is the width
rusak2 [61]
180 is the area and the length is 1.25 so we need to find the width. We need to divide 180/1.25 which is 144.
144*1.25 is 180
The width is 
144
7 0
3 years ago
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What is percentage 1/4 of 200
zimovet [89]

Answer: 50

Step-by-step explanation: 1/4 = 50

                                              2/4 = 100

                                              3/4 = 150

                                               4/4 = 200

4 0
3 years ago
A parabola has a vertex at the origin. The equation of the directrix of the parabola is y = 3. What are the coordinates of its f
Yuliya22 [10]
Focus -
(0,-3)

let me know if explanation needed.
6 0
3 years ago
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