3 years ago

HELP ME PLEASE ASAP IM FAIL MATH

Mathematics

2 answers:

katrin2010 [14]3 years ago

7 0

Ommgggg I’m failing too twins

olga2289 [7]3 years ago

4 0

OMG SAME!!!!!!!!!!!!!!!!!

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Find the perimeter of the square. (hint : make one side = to the other side to find y. Remember, you are finding the perimeter)

Anestetic [448]

Step-by-step explanation:

$5y = 4y + 3 \\ y = 3 \\ p = 4 \times a = 4 \times 3 = 12$

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Misha Larkins [42]

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3 years ago

The ratio of dogs to cats at an animal shelter is 7 to 5. how many cats are at the shelter if there are 42 more dogs than cats,

Zanzabum

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3 years ago

Consider F and C below. F(x, y, z) = yz i + xz j + (xy + 6z) k C is the line segment from (2, 0, −2) to (5, 4, 2) (a) Find a fun

WITCHER [35]

Answer:

Required solution (a) $f(x,y,z)=xyz+3z^2+C$ (b) 40.

Step-by-step explanation:

Given,

$F(x,y,z)=yz \uvec i +xz\uvec j+(xy+6z)\uvex k$

(a) Let,

$F(x,y,z)=yz \uvec i +xz\uvec j+(xy+6z)\uvex k=f_x \uvec{i} +f_y \uvex{j}+f_z\uvec{k}$

Then,

$f_x=yz,f_y=xz,f_z=xy+6z$

Integrating $f_x$ we get,

$f(x,y,z)=xyz+g(y,z)$

Differentiate this with respect to y we get,

$f_y=xz+g'(y,z)$

compairinfg with $f_y=xz$ of the given function we get,

$g'(y,z)=0\implies g(y,z)=0+h(z)\implies g(y,z)=h(z)$

Then,

$f(x,y,z)=xyz+h(z)$

Again differentiate with respect to z we get,

$f_z=xy+h'(z)=xy+6z$

on compairing we get,

$h'(z)=6z\implies h(z)=3z^2+C$ (By integrating h'(z)) where C is integration constant. Hence,

$f(x,y,z)=xyz+3z^2+C$

(b) Next, to find the itegration,

$\int_C \vec{F}.dr=\int_C \nabla f. d\vec{r}=f(5,4,2)-f(2,0,-2)=(52+C)-(12+C)=40$

3 0

3 years ago

Solve 12.7 ≥ s − 5.3 Graph the solution.

Julli [10]

Hello!

I dont a graph to show you but I will solve the answer.

12.7 + 5.3 ≥ s

18 ≥ s

s ≤ 18
That is your answer.

Enjoy.
~Isabella

8 0

3 years ago