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3 years ago

Solve for h. 6.51 - 9.32 + h = 1.02 Enter your answer as a decimal in the box. h=

Mathematics

1 answer:

sammy [17]3 years ago

4 0

6.51 - 9.32 + h = 1.02

h = 1.02 - 6.51 + 9.32
h = 3.83

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The nth term of a sequence is given by 2n²+1.Write down the first four terms of the sequence.

ivanzaharov [21]

Answer:

2(1)²−1= 1

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2 years ago

Find the discriminant, and determine the number of real solutions. then solve x^2 +8x+20=0

vodomira [7]

Answer:

Part 1) The quadratic equation has zero real solutions

Part 2) The solutions are

$x_1=-4+2i$ and $x_2=-4-2i$

Step-by-step explanation:

we know that

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

in this problem we have

$x^{2}+8x+20=0$

$a=1\\b=8\\c=20$

The discriminant is equal to

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If D>0 -----> the quadratic equation has two real solutions

If D<0 -----> the quadratic equation has two complex solutions

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substitute the values of a,b and c in the formula

$x=\frac{-8(+/-)\sqrt{8^{2}-4(1)(20)}} {2(1)}$

$x=\frac{-8(+/-)\sqrt{-16}} {2}$

Remember that

$i=\sqrt{-1}$

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3 years ago

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3 years ago

Read 2 more answers

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bogdanovich [222]

Answer:

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Step-by-step explanation:

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3 years ago

Round 492.3069 to the nearest thousandth

Llana [10]

The answer is 492.307
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3 years ago