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3 years ago

Write a rule for the sequence. 3,-3,-9,-15,. . .

Mathematics

2 answers:

lesya [120]3 years ago

7 0

Answer:

-6

Step-by-step explanation:

The rule of your sequence is -6 because from each number we can see, 6 is taken away to reach the next number.

MrRa [10]3 years ago

4 0

Answer:

3, -3, -9, -15, -18, -21, -24

Step-by-step explanation:

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The length of a swimming pool is 8m longer than its width and the area is 1o5m2?

Nina [5.8K]

Let the breadth be x
length=x+8
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2 years ago

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What are the solutions of the quadratic equation? 4x^2+34x+60=0

insens350 [35]

Answer:

Option 3) -6,-5/2

Step-by-step explanation:

we know that

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$

is equal to

$x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$4x^{2} +34x+60=0$

$a=4\\b=34\\c=60$

substitute in the formula

$x=\frac{-34(+/-)\sqrt{34^{2}-4(4)(60)}} {2(4)}$

$x=\frac{-34(+/-)\sqrt{196}} {8}$

$x=\frac{-34(+/-)14} {8}$

$x_1=\frac{-34(+)14} {8}=-\frac{20}{8}=-\frac{5}{2}$

$x_2=\frac{-34(-)14} {8}=-6$

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2 years ago

2. Give the degree of x2 - 17x + 2x - 5.00

Evgen [1.6K]

Answer:

Step-by-step explanation:

Degree is the highest power of a term

I hope im right!

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lbvjy [14]

Answer:

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