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3 years ago

Identify the greatest rommon factor: 3x²y - 6xy2

Mathematics

2 answers:

Over [174]3 years ago

6 0

The answer is : 3xy(x-2y)

Mrac [35]3 years ago

3 0

Answer:

If you're looking to simplify, the greatest common factor should be 3xy.

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Evaluate the integral:

tatyana61 [14]

Answer: girllll ion know

Step-by-step explanation:

8 0

4 years ago

What does the number 3.1968e+22 mean?

sattari [20]

You add them and then it would be 30.6898033492

8 0

4 years ago

Please help me! II'll give you brainliest!

sweet [91]

Answer:

x=7

Step-by-step explanation:

4x-12=16

4x=28

x=7

5 0

3 years ago

A rectangle has width that is 6 meters less than the length. The area of the rectangle is 280 square meters. Find the dimensions

salantis [7]

Dimensions are length 20 meter and width 14 meter

Solution:

Let "a" be the length of rectangle

Let "b" be the width of rectangle

Given that,

A rectangle has width that is 6 meters less than the length

Width = length - 6

b = a - 6

The area of the rectangle is 280 square meters

The area of the rectangle is given by formula:

$Area = length \times width$

Substituting the values we get,

$Area = a \times (a-6)\\\\280 = a^2-6a\\\\a^2-6a -280=0$

Solve the above equation by quadratic formula

$\mathrm{For\:a\:quadratic\:equation\:of\:the\:form\:}ax^2+bx+c=0\mathrm{\:the\:solutions\:are\:}\\\\\quad x_{1,\:2}=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$

$\mathrm{For\:}\quad a=1,\:b=-6,\:c=-280:\quad a_{1,\:2}=\frac{-\left(-6\right)\pm \sqrt{\left(-6\right)^2-4\cdot \:1\left(-280\right)}}{2\cdot \:1}$

$a =\frac{6 \pm \sqrt{36+1120}}{2}\\\\a = \frac{6 \pm \sqrt{1156}}{2}\\\\a = \frac{6 \pm 34}{2}\\\\Thus\ we\ have\ two\ solutions\\\\a = \frac{6+34}{2} \text{ or } a = \frac{6-34}{2}\\\\a = 20 \text{ or } a = -14$

Since, length cannot be negative, ignore a = -14

Thus solution of length is a = 20

Therefore,

width = length - 6

width = 20 - 6 = 14

Thus dimensions are length 20 meter and width 14 meter

6 0

3 years ago

Find the circumference

PIT_PIT [208]

Answer:

90 units

Step-by-step explanation:

circumference C = 2 $\pi$ r

taking $\pi$ as 3.

C = 2 × 3 × 15

(15 is the radius of the circle)

C = 90 units

6 0

3 years ago

Read 2 more answers