4 years ago

Simplify 9x^2-3x(2x-4)-6x

Mathematics

1 answer:

Vinvika [58]4 years ago

3 0

The answer is
$3 x^{2} +6x$ <span><span>
Remember to combine like terms.
Hop this helps. c:</span></span>

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Find the volume of a right circular cone that has a height of 17.7 cm and a base with a diameter of 15.8 cm. Round your answer t

Lelu [443]

Answer:

$1156.8cm^3$

Step-by-step explanation:

The volume of a cone is given as:

$V =\frac{1}{3} \pi r^2h$

where r = radius

h = height of cone

The height of the cone is 17.7 cm and its base radius is 7.9 cm (diameter is 15.8 cm).

Its volume is:

$V = \frac{1}{3} * \pi = 7.9^2 * 17.7\\ \\V = 1156.8cm^3$

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3 years ago

42. the product of seven and four times a number multiplied by three

tino4ka555 [31]

Answer:

28*3(x)

Step-by-step explanation:

The product of 7 and 4 is 28.

Times a number multiplied by three is the number 28 multiplied with 3x.

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4 years ago

1/X 1/4=7/12 solve and check solution

liraira [26]

$\frac { 1 }{ x } +\frac { 1 }{ 4 } =\frac { 7 }{ 12 } \\ \\ \frac { 1 }{ x } =\frac { 7 }{ 12 } -\frac { 1 }{ 4 }$

$\\ \\ \frac { 1 }{ x } =\frac { 7 }{ 12 } -\frac { 3 }{ 12 } \\ \\ \frac { 1 }{ x } =\frac { 4 }{ 12 } =\frac { 1 }{ 3 } \\ \\ 3x\cdot \frac { 1 }{ x } =\frac { 1 }{ 3 } \cdot 3x\\ \\ x=3$

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3 years ago

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5,10,12,4,6,11,12,5 find the mode

allsm [11]

Answer:

5 and 12

Step-by-step explanation:

The mode of a data set is the entry which occurs most often

Given

5, 10, 12, 4, 6, 11, 12, 5

5 and 12 both occur twice, thus there are 2 modes 5 and 12