2 years ago

Explain how to check the quotient from a division problem

Mathematics

1 answer:

loris [4]2 years ago

7 0

Answer:

Step-by-step explanation:

For ex.

10/5=2

2 is the quotient.

You can divide 10/2=5

You can do 5 x 2 =10

Hope this helps

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For the vectors Bold uequalsleft angle negative 8 comma 0 comma 1 right angleand Bold vequalsleft angle 1 comma 3 comma negative

trapecia [35]

Answer:

Step-by-step explanation:

Given that there are two vectors U = (-8,0,1)

V = (1,3,-3)

To find projection of u on V and also projection of V on U

First let us find the dot product U and V

U.V = $-8(1)+0(3)+1(-3)\\= -11$

Projection of U on V = $\frac{U.V}{|V|} \\=\frac{-11}{\sqrt{1+9+9} } \\=\frac{-11}{\sqrt{19} }$

Similarly projection of V on U

= $\frac{U.V}{|U|} \\=\frac{-11}{\sqrt{64+0+1} } \\=\frac{-11}{\sqrt{65} }$

4 0

3 years ago

Can someone help me with this please?

Readme [11.4K]

1.f
2.c
3.b
4.e
5.a
6.d

in order

3 0

3 years ago

Let y′′′−9y′′+20y′=0. find all values of r such that y=erx satisfies the differential equation. if there is more than one correc

DerKrebs [107]

we are given

differential equation as

$y'''-9y''+20y'=0$

we are given

$y=e^{rx}$

Firstly, we will find y' , y'' and y'''

those are first , second and third derivative

First derivative is

$y'=re^{rx}$

Second derivative is

$y''=r*re^{rx}$

$y''=r^2e^{rx}$

Third derivative is

$y'''=r^2*re^{rx}$

$y'''=r^3e^{rx}$

now, we can plug these values into differential equation

and we get

$r^3 e^{rx}-9r^2 e^{rx}+20re^{rx}=0$

now, we can factor out common terms

$e^{rx}(r^3 -9r^2 +20r)=0$

we can move that term on right side

$(r^3 -9r^2 +20r)=0$

now, we can factor out

$r(r^2 -9r +20)=0$

$r(r-5)(r-4)=0$

now, we can set them equal

$r=0$

$r-5=0$

$r=5$

$r-4=0$

$r=4$

so, we will get

$r=0,4,5$ ...............Answer

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3 years ago

Is my answer right? the other options are A.0.33 B.0.42 C.0.58 D.0.67

Fittoniya [83]

Yes 0.42 is correct!!

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3 years ago

It took 30 minutes for Melinda to run 4 miles (Find the unit rate and explain what they mean)

zhannawk [14.2K]

Each mile took 7.5 minutes. So we did this by dividing 30 by 4. Hope this helped you :)

5 0

2 years ago

Read 2 more answers

Explain how to check the quotient from a division problem ​

Explain how to check the quotient from a division problem