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3 years ago

Please please help me

Mathematics

1 answer:

Soloha48 [4]3 years ago

7 0

The answer is D, they are independent because they intersect at one point.

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2x [(12 x 2) - 5 + 34] help

seraphim [82]

2x((12x2)-5+34)

2x(24-5+34)

(48x-10x+68x)

Distributive property?

116x?

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3 years ago

The acceleration function a(t) (in m/s2) and the initial velocity v(0) are given for a particle moving along a line.

klemol [59]

Answer:

A: $v(t)=-t^2+4t-5$

Step-by-step explanation:

Acceleration is second derivative of position, velocity is first derivative. Therefore, the velocity is the integral of acceleration.

$v(t)=\int\ {2t+4} \, dt$

Integrate:

$-t^2+4t+C$

V(0)=-5:

$-0^2+4(0)+C=-5\\C=-5$

Therefore, v(t):

$v(t)=-t^2+4t-5$

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3 years ago

How many times as great is the diameter of a pinhead as the diameter of a cloud-water droplet

Ulleksa [173]

Given:

The diameter of cloud-water droplet is

$10^{-5}$

The diameter of pinhead is 0.001.

Explanation:

Divide the dimater of cloud-water droplet by dimater of pinhead to determine the times as great is the diameter of a pinhead as the diameter of a cloud-water droplet .

$\begin{gathered} a=\frac{0.001}{10^{-5}} \\ =0.001\cdot10^5 \\ =100 \end{gathered}$

So diameter of a pin-head is 100 times the diameter of water-droplet.

5 0

1 year ago

I do not know this answer

ch4aika [34]

Answer:

K=(3,6)

Step-by-step explanation:

If you reflect it over the y-axis the first number will change to a positive and the second number will stay the same.

Hope this helps have a great day! :)

7 0

2 years ago

Solve xy - 3 = k solve for x

ladessa [460]

Answer:

x=(k+3)/y

Step-by-step explanation

First, we simplify by adding 3 to both sides of the equation

xy-3+3=k+3

Now it's xy=k+3

To get x we divide both sides by y

So x=(k+3)/y

3 0

3 years ago

Read 2 more answers