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Arisa [49]
3 years ago
8

Factor completely 3x3 + 12x2 + 18x.

Mathematics
2 answers:
rodikova [14]3 years ago
7 0

Answer:

the answer is C 3x(x2+4x+6)

Step-by-step explanation:

Elza [17]3 years ago
4 0
Factor out a 3x:
3x(x2+4x+6)

Since you can't factor out the quadratic that's as far as it goes:

Answer:
3x(x2+4x+6)
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Find the surface area of the pyramid, round to the nearest tenth:
Sonja [21]

Answer:

2 2/3 rounded to ten is 3 so 3 is your anser

Step-by-step explanation:

i think you multypliy 4 by 6/9 thenround

4 0
3 years ago
Read 2 more answers
Hi can someone help me with this question so I can understand thank you :)
Mars2501 [29]

Answer:

I think 5

Step-by-step explanation:

If RS = PQ, and RS = 5, than PQ = 5

4 0
4 years ago
Express the integral as an iterated integral in six different ways, where E is the solid bounded by y=4-x^2-4z^2 and y=0
zmey [24]
Assuming you need the integral expressing the volume of E, the easiest setup is to integrate with respect to y first.

This is done with either

\displaystyle\iiint_E\mathrm dV=\int_{-2}^2\int_{-2}^2\int_0^{4-x^2-z^2}\mathrm dy\,\mathrm dx\,\mathrm dz
\displaystyle\iiint_E\mathrm dV=\int_{-2}^2\int_{-2}^2\int_0^{4-x^2-z^2}\mathrm dy\,\mathrm dz\,\mathrm dx

Thanks to symmetry, integrating with respect to either x or z first will be nearly identical.

First, with respect to x:

\displaystyle\iiint_E\mathrm dV=\int_{-2}^2\int_0^4\int_{-\sqrt{4-y-z^2}}^{\sqrt{4-y-z^2}}\mathrm dx\,\mathrm dy\,\mathrm dz
\displaystyle\iiint_E\mathrm dV=\int_0^4\int_{-2}^2\int_{-\sqrt{4-y-z^2}}^{\sqrt{4-y-z^2}}\mathrm dx\,\mathrm dz\,\mathrm dy

Next, with respec to z:

\displaystyle\iiint_E\mathrm dV=\int_{-2}^2\int_0^4\int_{-\sqrt{4-y-z^2}}^{\sqrt{4-y-x^2}}\mathrm dz\,\mathrm dy\,\mathrm dx
\displaystyle\iiint_E\mathrm dV=\int_0^4\int_{-2}^2\int_{-\sqrt{4-y-z^2}}^{\sqrt{4-y-x^2}}\mathrm dz\,\mathrm dx\,\mathrm dy
5 0
3 years ago
A number cube is rolled and a spinner is spun. Find the probability. The spinner has five sections. 3 sections have the letter B
aliya0001 [1]

https://www.steilacoom.k12.wa.us/cms/lib4/WA01001786/Centricity/Domain/490/Probability%20Notes%20Answers.pdf



this should have every thing on it hope it helps

8 0
3 years ago
On Monday, Torrance practiced the violin for 4/10 of an hour. On Tuesday, he practiced for 1 6/8 of an hour. How much time did h
Yuri [45]

Answer: 2\frac{3}{20}

<u>Step-by-step explanation:</u>

First, convert mixed numbers into improper fractions and simplify all fractions

\frac{4}{10} ÷ \frac{2}{2} = \frac{2}{5}

1\frac{6}{8} = \frac{8(1) + 6}{8} = \frac{14}{8} ÷ \frac{2}{2} = \frac{7}{4}

Next, find their sum.  Remember to find the LCD and convert the fractions so they have like denominators.

Monday + Tuesday = Total

\frac{2}{5} + \frac{7}{4} = Total      <em>the LCD of 5 and 4 is 20</em>

(\frac{4}{4})\frac{2}{5} + (\frac{5}{5})\frac{7}{4} = Total

\frac{8}{20} + \frac{35}{20} = Total

\frac{43}{20} = Total

Then, convert the improper fraction into a mixed number

\frac{43}{20} = 2\frac{3}{20}

7 0
3 years ago
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