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aev [14]
3 years ago
13

I Need The Answer Plz!!!

Mathematics
1 answer:
Sladkaya [172]3 years ago
8 0
This is the answer : plz mark brainlyest

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A water wheel has a radius of 18 feet. the wheel is rotating at 5 revolutions per minute. find the linear speed, in feet per min
makkiz [27]

Answer:

The linear speed is

Step-by-step explanation:

step 1

Find the circumference of the circle

The circumference is equal to

we have

substitute

step 2

Find the linear speed in feet per minute

we know that

The wheel is rotating at 10 revolutions per minute

Convert revolutions to feet

Remember that

One revolution is equal to the circumference of the circle

so

10 revolutions is equal to

therefore

The linear speed is

8 0
3 years ago
YOU WILL GET MARKED BRAINLIEST:)
Aleks04 [339]

Answer:

Z = 2

Step-by-step explanation:

This tape diagram is split into two equal parts.

Since 2 and 2 are equal, and since 2 and 2 have a sum of 4, then z is equal to 2.

7 0
3 years ago
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Write the complex number in the form a + bi.<br> 3(cos 60° + i sin 60°)
hram777 [196]

Answer:

The complex number in the form of a + b i is 3/2 + i √3/2

Step-by-step explanation:

* Lets revise the complex number in Cartesian form and polar form

- The complex number in the Cartesian form is a + bi

-The complex number in the polar form is r(cosФ + i sinФ)

* Lets revise how we can find one from the other

- r² = a² + b²

- tanФ = b/a

* Now lets solve the problem

∵ z = 3(cos 60° + i sin 60°)

∴ r = 3 and Ф = 60°

∵ cos 60° = 1/2

∵ sin 60 = √3/2

- Substitute these values in z

∴ z = 3(1/2 + i √3/2) ⇒ open the bracket

∴ z = 3/2 + i √3/2

* The complex number in the form of a + b i is 3/2 + i √3/2

6 0
3 years ago
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Failinggggggggggg mathhhhhhhhhhhhhhhhhhhhhhhhh
azamat
2. (D)
3. (B) Hope it helps
3 0
3 years ago
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7x-3=4x+3 &lt; Answer Please
USPshnik [31]

Answer:

2! Thank it if it was helpful :D

Step-by-step explanation:

7x-4x=3+3

3x=6

x=2

8 0
3 years ago
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