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2 years ago

Ok I need to know how to simplify Thanks Dimitri

Mathematics

1 answer:

aliina [53]2 years ago

7 0

ex: 5/25=1/5

5 divided by 5 is and 25 divided by 5 is 5.

1.Write down the factors for the numerator(top number) and the denominator(the number down below).

2.Find the largest factor that is common between the two.

3.Divide the numerator and denominator by the greatest common factor.

4.Write down the reduced fraction.

Hope this helps

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If x-2 is a factor of x^2+3x+k, what is the value of k?

Ne4ueva [31]

Take x-2=0

x=2

put the value of x in the equation

2^2 + 3(2) + k =0
4+6+k=0
10+k=0
k= -10

hope you understand

5 0

3 years ago

If the rate of inflation is3.7% per year the future price p(t)(in dollars) of a certain item can be modeled by the following exp

Eduardwww [97]

Current price : 600
Price 10 years from today :
P (10)=600×(1.037)^(10)=862.86

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3 years ago

Find the general solution of the given higher-order differential equation. d3u dt3 + d2u dt2 − 2u = 0

STALIN [3.7K]

$\dfrac{\mathrm d^3u}{\mathrm dt^3}+\dfrac{\mathrm d^2u}{\mathrm dt^2}-2u=0$

This ODE has characteristic equation

$r^3+r^2-2=(r^3-r)+(r^2+r-2)=r(r^2-1)+(r+2)(r-1)$

$=(r(r+1)+(r+2))(r-1)=(r^2+2r+2)(r-1)=0$

which has roots at $r=1,-1\pm i$ . Then the characteristic solution to the ODE is

$u(t)=C_1e^t+C_2e^{(-1+i)t}+C_3e^{(-1-i)t}$

$\implies\boxed{u(t)=C_1e^t+C_2e^{-t}\cos t+C_3e^{-t}\sin t}$

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3 years ago

Find two numbers between 1.4142133 and 1.41422

Naddik [55]

Hey there! I'm happy to help!

To find the number halfway between two numbers, you simply add them and then divide by two.

1.4142133+1.41422=2.8284333

2.8284333/2=1.41421665

That is one number in between these two. Now, we can find the number in between the middle number and the second number. This is another number in between our two numbers.

(1.41421665+1.41422)/2=1.414218325

You could keep on doing this and find tons of numbers in between these two.

Therefore, two numbers between 1.4142133 and 1.41422 are 1.41421665 and 1.414218325.

Have a wonderful day! :D

6 0

3 years ago

NEED HELP FAST!!!! will mark u as brainliest

Shalnov [3]

Obviously, it's not rational, because it's the sum of two square roots, so cancel out A and B right away.

If we solve it

sqrt (18) + sqrt (2)
= sqrt (9*2) + sqrt (2)
= 3 sqrt (2) + sqrt (2)
= 4 sqrt (2)

D :D

6 0

3 years ago