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algol [13]
2 years ago
5

WILL GIVE BRAINLIEST!!! Which shape is NOT PROPORTIONAL to the other shapes?

Mathematics
1 answer:
Phoenix [80]2 years ago
4 0
The answer is D

Explanation:
If we use A as a reference sides:3&2
To get from A to B you half both sides to get :1.5&1

To get from A to C you multiply each side by 1.5 to get : 4.5 & 3

But to get from A to D the side that was 3 is multiplying by 1 while the side that was 2 is multiplying by 1.5
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A top-loading washing machine has a cylindrical basket that rotates about a vertical axis. The basket of one such machine starts
damaskus [11]

Answer:

n_{tot}=44rev

Step-by-step explanation:

In order to solve this problem we can make use of the following formula:

\theta=(\frac{\omega_{f}+\omega_{0}}{2})t

where θ is the total angle the basket has turned, ω is the angular velocity and t is the time.

Generally theta is written in radians and omega is written in radians per second. Now, since the revolutions are directly related to the radians and they want us to write our answer in revolutions, we can directly use the provided speeds in the formula, so we can rewrite it as:

n=(\frac{f_{f}+f_{0}}{2})t

where n represents the number of revolutions and f is the frequency at which the basket is turning.

The movement of the cylindrial basket can be split in two stages, when it accelerates and when it decelerates. So let's analye the first stage:

n=(\frac{4rev/s+0}{2})(9s)=18rev

and now let's analyze the second stage, where it decelerates, so we get:

n=(\frac{0rev/s+4rev/s}{2})(13s)=26rev

So now that we know how many revolutions the cylindrical basket will take as it accelerates and as it decelerates we can add them to get:

n=18rev+26rev=44rev

So the basket will turn a total of 44 revolutions during this 22s interval.

3 0
3 years ago
DESPERATELY NEED HELP ON THIS QUESTION
Triss [41]
Angle aed has to be 80 since the two triangles share two of the same angles

5 0
3 years ago
Is x-1 a factor of x^5+2x^2-1
vazorg [7]

Answer: i think no cuz f(1)=2 but i am not sure

Step-by-step explanation:

5 0
3 years ago
Solve the following system of equations by elimination​
olya-2409 [2.1K]

Answer:

y = -6

x = 1

Step-by-step explanation:

-x + 2y = -13

-x - 2y = 11

Sum the equations:

-x -x = -2x

+2y - 2y = 0

-13 + 11 = -2

then

-2x = -2

x = -2/-2

x = 1

from the first eq.

-x + 2y = -13

-1 + 2y = -13

2y = -13 + 1

2y = -12

y = -12/2

y = -6

check:

from the second eq.

-x -2y = 11

-1 -(2*-6) = 11

-1 -(-12) = 11

-1 + 12 = 11

5 0
2 years ago
What ratio is equivalent to 4:5 A. 10/15 B. 4/10 C. 16/20 D. 15/8
laila [671]

The answer is C 16:20 because both numbers 4&5 are multiplied by four

8 0
3 years ago
Read 2 more answers
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