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3 years ago

What’s the answer? Fjdidjfkffkdkdkfoofkfkfkfmfnfnfkgkgkgkgj

Mathematics

1 answer:

Snezhnost [94]3 years ago

4 0

Answer:

C. 209 mm

Step-by-step explanation:

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Answer:

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3 years ago

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The graphs below have the same shape. What is the equation of the red graph?

Sveta_85 [38]

we have

$g(x)=4-x^{2}$

the vertex of the function g(x) is the point $(0,4)$

the vertex of the function f(x) is the point $(0,0)$

the rule of the translation of g(x) to f(x) is

(x,y)------> (x,y-4)

that means

the translation is $4$ units down

therefore

the equation of the function f(x) is

$f(x)=g(x)-4\\f(x)=(4- x^{2})-4 \\f(x)=- x^{2}$

therefore

<u>the answer is</u>

$f(x)=- x^{2}$

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3 years ago

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in mrs marshall's classroom 6/7 of the students play sports. of the students who play sports, 4/5 also play an instrument. if th

yanalaym [24]

(4/5)*(6/7)*35 = (24/35)*35 = 24 students do both.

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4 years ago

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Find the surface area of the surface given by the portion of the paraboloid z=3x2+3y2 that lies inside the cylinder x2+y2=4. (hi

natta225 [31]

Parameterize the part of the paraboloid within the cylinder - I'll call it $S$ - by

$\mathbf r(u,v)=\langle x(u,v),y(u,v),z(u,v)\rangle=\left\langle u\cos v,u\sin v,3u^2\right\rangle$

with $0\le u\le2$ and $0\le v\le2\pi$ . The region's area is given by the surface integral

$\displaystyle\iint_S\mathrm dS=\int_{u=0}^{u=2}\int_{v=0}^{v=2\pi}\|\mathbf r_u\times\mathbf r_v\|\,\mathrm du\,\mathrm dv$
$=\displaystyle\int_{v=0}^{v=2\pi}\int_{u=0}^{u=2}u\sqrt{1+36u^2}\,\mathrm du\,\mathrm dv$
$=\displaystyle2\pi\int_{u=0}^{u=2}u\sqrt{1+36u^2}\,\mathrm du$

Take $w=1+36u^2$ so that $\mathrm dw=72u\,\mathrm du$ , and the integral becomes

$=\displaystyle\frac{2\pi}{72}\int_{w=1}^{w=145}\sqrt w\,\mathrm dw$
$=\displaystyle\frac\pi{36}\frac23w^{3/2}\bigg|_{w=1}^{w=145}$
$=\dfrac\pi{54}(145^{3/2}-1)\approx101.522$

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3 years ago

Simon arranges 35 radio controlled cars in 5 rows on the shelf. Find the numbers of cars placed in each row in unit rate

jeka57 [31]

Answer:

Step-by-step explanation:

35 Toys ÷ 5

5 Rows ÷ 5

7 Toys

1 Row

7 Toys

Row

= 7 Toys per Row

Hope this helps :)

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4 years ago