3 years ago

What is the surface area of the solid that this net can form?

Mathematics

1 answer:

allochka39001 [22]3 years ago

5 0

Answer:

Option B

Step-by-step explanation:

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What is the length of side DG? 12 in. 32 in. 36 in. 30 in.

taurus [48]

Answer:

36 in

Step-by-step explanation:

The ratio of proportionality between the two similar triangles is 1:6, which you can find by dividing the corresponding side length measures from each triangle (3/18 = 4/24). Then you can set up a proportion:

1/6 = 6/x, which you can solve to get x = 36

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3 years ago

I need help i got confused after 3 of these

Nikolay [14]

-1, -1 I think is the answer

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3 years ago

A university hired you as a lab assistant after you graduated. Your starting salary is $41,500 and your salary will increase by

VladimirAG [237]

Answer:

$67,000

Step-by-step explanation:

41,000*(1,700*15)=67,000

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3 years ago

Jared invests $10,000 in a savings account that pays 3% simple interest. How many years will it take for the account to grow to

murzikaleks [220]

The answer:

it would take 9 years for the account to grow to $12,700

the steps:

10,000 x .03 = 300

2,700 divided by 300 is 9

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3 years ago

Find the second derivative, do not have to simplify

zlopas [31]

$f(x)=\sec(\pi x)=\dfrac{1}{\cos(\pi x)}=[\cos(\pi x)]^{-1}\\\\\text{use}\\\\(a^n)'=na^{n-1}\\\\(\cos x)'=-\sin x\\\\f'(g(x))=f'(g(x))\cdot g'(x)$

$f'(x)=\left\{[\cos(\pi x)]^{-1}\right\}'=-[\cos(\pi x)]^{-2}\cdot[-\sin(\pi x)]\cdot\pi\\\\=\dfrac{\pi\sin(\pi x)}{[\cos(\pi x)]^2}=\pi\dfrac{\sin(\pi x)}{\cos(\pi x)}\cdot\dfrac{1}{\cos(\pi x)}\\\\=\pi\tan(\pi x)\sec(\pi x)$

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3 years ago