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3 years ago

6x³+2x²+4x __________2x

Mathematics

1 answer:

yulyashka [42]3 years ago

8 0

Answer:

jtrhjthjrtjrt

Step-by-step explanation:

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How to find volume of 7 and 8? (20 pts)

Airida [17]

Answer:

Step-by-step explanation:

7.base of triangle=√(32.5²-28²)

=√4.5(32.5+28)

=√4.5(60.5)

=√272.25

=16.5

area of triangle=1/2 ×16.5×28

=231

volume=231×31=7161 km³

39.4-25=14.4

width=√(30.6²-14.4²)

=√16.2(30.6+14.4)

=√16.2(45)

=√729

=27

volume=(25+39.4)/2 ×27×35

=(64.4)/2×27×35

=32.2×27×35

=30429 cm³

7 0

3 years ago

P(x)=6/7x+4 What is P(42)

Natali5045456 [20]

P(42) = (6/7)(42) + 4 = 36 + 4 = 40

4 0

3 years ago

X+5/2 + x−3/3 =3 1/6

Nataly [62]

The answer is x=-1/2

3 0

4 years ago

Read 2 more answers

PLEASE HELP!!!

Svetradugi [14.3K]

B or c for the equation because it is 1-n

8 0

4 years ago

Read 2 more answers

In a sociology class there are 1414 sociology majors and 1111 non-sociology majors. 33 students are randomly selected to present

saul85 [17]

Answer: $0.4065$

Step-by-step explanation:

Given : In a sociology class there are 14 sociology majors and 11 non-sociology majors.

Total students = 14+11=25

Number of students are randomly selected = 3

Then, the number of ways to select 3 students from 25 students :-

$^{25}C_3=\dfrac{25!}{(25-3)!3!}=\dfrac{25\times24\times23\times22!}{22!3!}\\\\=2300$

Number of ways to select at least 2 of the 3 students re non-sociology majors :-

$^{14}C_1\times^{11}C_2+^{14}C_0\times ^{11}C_{3}\\\\=(14)\times\dfrac{11!}{2!(11-2)!}+(1)\times\dfrac{11!}{3!(11-3)!}\\\\=(14)(11\times5)+\dfrac{11\times10\times9}{6}\\\\=770+165=935$

The probability that at least 2 of the 3 students selected are non-sociology majors will be :-

$\dfrac{935}{2300}=0.40652173913\approx0.4065$

8 0

4 years ago

6x³+2x²+4x __________2x​

6x³+2x²+4x __________2x