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OLEGan [10]
3 years ago
7

Which ofthe following are equalivilent to -7? -49/-7 0/-7 49/-7 -21/3 21/3

Mathematics
1 answer:
likoan [24]3 years ago
4 0
-49/-7, 49/-7, -21/3
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Is 7 1/3 greater than 28/3​
salantis [7]

yes

Step-by-step explanation:

um just multiply why am i even here sorry anyway hoped it helped u know u can just google it

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3 years ago
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A picture shows the net of the lateral surface of the cone. Which statement about this cone is NOT true?
Brut [27]

Answer:

Area of the Net is incorrect

Step-by-step explanation:

Base Surface Area =  π×12^2

=  452.38934211693 inches^2

Lateral Surface Area =  π×12×√12^2 + 15^2

=  724.1762903163 inches^2

Total Surface Area = 1176.5656324332 inches^2

3 0
2 years ago
Ernest is purchasing a $175,000 home and is making 20% down payment toward the cost. He is also buying 2 points in order to lowe
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His total closing costs would be $39775
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3 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
7 0
3 years ago
The figure below shows the distance between two cities on a map. The scale of the map is 1/8 inches to 12 mile. The Mitchell fam
creativ13 [48]

Answer:

I'm not to sure but I think it's A, 38.4 mph. By the way are you from Bay doing this for spring break math hw?

Step-by-step explanation:

12/3.75 is 3.2; 3.2*12 is 38.4. do 12/3.75 meaning 3.2 miles every hour multiplied by 12 to get 38.4 miles.

6 0
3 years ago
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