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3 years ago

Victor drew trapezoid PQRS on a

Mathematics

2 answers:

Shkiper50 [21]3 years ago

7 0

Answer:

Step-by-step explanation:

bixtya [17]3 years ago

5 0

Answer:

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Step-by-step explanation:

can you make me brainlliest

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If f(x) is a third degree polynomial function how many distinc complex rules are possible ?

Thepotemich [5.8K]

Answer:

Step-by-step explanation:

According to the fundamental theorem of Algebra

A polynomial of degree 3 has 3 roots

However, complex roots occur in conjugate pairs, hence

There can only be 2 distinct complex roots.

5 0

3 years ago

V=4/3? r^2 Suppose that, for the sphere in the video, instead of being told how fast the radius is changing, we're told that the

grigory [225]

Answer:

$\frac{dr}{dt}=0.01$ cm per second

$\frac{dS}{dt}=320 square centimeter per secondStep-by-step explanation:We are given that volume of sphere [tex]V=\frac{4}{3}\pi r^3$

Volume of sphere is increasing at a constant rate

$\frac{dV}{dt}=4$ cubic centimeters per second

We have to find the rate of radius at which increasing

when r= 10 cm

Differentiating w.r.t time

$\frac{dV}{dt}=\frac{4}{3}\pi\cdot3r^2\frac{dr}{dt}$

$4=4 r^2\frac{dr}{dt}$

$\frac{dr}{dt}= \frac{1}{r^2}=\frac}{1}{(10)^2}=0.01$ cm per second

Now ,we are given that surface area of sphere

$S=4\pir^2$

Differentiate w.r.t time then we get

$\frac{dS}[dt}=8\pir\frac{dr}{dt}$

$\frac{dS}{dt}=8\pi\times 20\times 2$

$\frac{dS}{dt}=320$ cm per second

5 0

3 years ago

HELPPPPPPOOOO SHOW WORKING ALSO THANKS

Akimi4 [234]

Answer:

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Step-by-step explanation: LOLLLLL POINTS FORLIFE

5 0

2 years ago

Read 2 more answers

Can you pls help me find the slope when the coordinates are (2,3) and (4,1)

mezya [45]

The slope is -1.

Please see the attached picture for full solution

Hope it helps

Good luck on your assignment

3 0

3 years ago

Read 2 more answers

Substitute x with 2.

Marina CMI [18]

Answer: -5

Step-by-step explanation:

13-4(2) / 2(2)^2-7(2)+5

5 / -1

7 0

3 years ago