2 years ago

Help please I have 10 minutes !!

Mathematics

2 answers:

Ymorist [56]2 years ago

8 0

Answer:

Step-by-step explanation:

EastWind [94]2 years ago

7 0

the answer is 18 so now you can go

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What is the approximate volume of a cone with a height of 12 in. and radius of 9 in.?

Arisa [49]

Volume of the cone = 1/3π r^2 h
So, we are given that r = 9 and h = 12
plugging in all the known values
1/3 * (3.14) * 9 * 9 * 12
= 1017.36 cm³
or
≈1017.4 cm³

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3 years ago

Is y= 2x cubed +6 linear or non-linear

zhuklara [117]

Non linear because nothing cubed or squared can be linear.
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3 years ago

Use matrix addition to solve this equation

REY [17]

Answer:

c11 = 8
c31 = 20
c22 = 14

Step-by-step explanation:

The sum of two matrices is the sum of corresponding terms.

$\left[\begin{array}{ccc}3&1&0\\-1&2&4\\9&7&-2\end{array}\right] +\left[\begin{array}{ccc}5&2&4\\1&12&3\\11&3&-2\end{array}\right] =\left[\begin{array}{ccc}8&3&4\\0&14&7\\20&10&-4\end{array}\right]$