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Tanzania [10]
2 years ago
9

3x^2-39+120 factor this

Mathematics
2 answers:
mylen [45]2 years ago
6 0

Answer:

9x^{2} +81

Step-by-step explanation:

I Guess.

Irina18 [472]2 years ago
6 0

Answer:

<u>3(x^2 + 27)</u>

<u></u>

<u>My answer was totally off! I just re evaluated the equation and I got this:</u>

<u></u>

<u>LMK if it's wrong :)</u>

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The area of a rectangle is 10 cm^2. One side of the rectangle is x cm. Express the perimeter of the rectangle in terms of x and
frosja888 [35]

Area of rectangle = 10cm²

We know that, Area of rectangle = lb

lb = 10

Let l = x cm. Then b = 10/x cm.

Perimeter of rectangle

= 2(l + b) \\  = 2(x +  \frac{10}{x}) \\  =  \frac{2 {x}^{2} + 10 }{x}cm.

But, this rectangle can't have 12 as its perimeter because Sides have to be factors of 10.If l = 5cm and b = 2cm then it will have perimeter 14cm.If l = 10cm and b = 1cm then it will have perimeter 22cm.

Hope this will help you. 

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7 0
3 years ago
Two forces of 90 newtons and 58 newtons act simultaneously on an object. The angle between the two forces is 57°. Find the magni
Vanyuwa [196]

Answer:

131.0 N

Step-by-step explanation:

Let the 90 N force is acting a horizontal force on the object

Horizontal force = 90 + 58sin33

Vertical force = 58cos33

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= 131.0 N

4 0
3 years ago
So, in Math I am learning Scientific Notation. Can someone show an example and some tips for me as well as the steps to remember
defon
You know how decimals are really long to write, like 0.00000000089?  Well, with scientific notation, you can shorten them.  Take the decimal I wrote for instance.  Using scientific notation, I can change it to 8.9 * 10^-10.  The decimal is shortened, and according to the exponent, 10^-10, we move the decimal place for 8.9 to the left ten places, leaving us with 0.00000000089.  

3 0
3 years ago
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The answer to this is 0.
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3 years ago
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Archy [21]

Answer:

C. 6.2 inches

Step-by-step explanation:

There are many ways to do this but I like to cross the miles out by putting it on the denominator

927 miles * 1 inch/150 miles = 6.18

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3 0
3 years ago
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