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alisha [4.7K]
3 years ago
8

Find an expression for the number of squares in the nth pattern of the sequence. I noticed that the number of squares you add in

each pattern it depends on the pattern number (see image) but I don't know how to get the expression. ​

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
3 0

Answer:

make clear the question please

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Solve the equation 2x^2-3x-6=0 give your answer correct to two decimal places
IRISSAK [1]

Answer:

<h2>x = - 1.14 or x = 2.64</h2>

Step-by-step explanation:

2x² - 3x - 6 = 0

Using the quadratic formula

x =  \frac{ - b± \sqrt{ {b}^{2}  - 4ac} }{2a}

a = 2 , b = - 3 , c = 6

Substituting the values into the above formula

We have

x =  \frac{ -  - 3± \sqrt{ { - 3}^{2}  - 4(2)( - 6)} }{2(2)}

x =  \frac{3± \sqrt{9 +48 } }{4}

x =  \frac{3± \sqrt{57} }{4}

x =  \frac{3 -  \sqrt{57} }{4}  \:  \:  \:  \: or \:  \:  \:  \:  \: x =  \frac{3 +  \sqrt{57} }{4}

We have the final answer as

<h3>x = - 1.14 or x = 2.64</h3>

Hope this helps you

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Solve the following equation. Then place the correct number in the box provided. 3x/7-2=15
seraphim [82]
3x/7-2=15

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What is the surface area of these cuboids?
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