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weqwewe [10]
4 years ago
10

HELP PLEASE !!!!!!!!!!

Mathematics
2 answers:
White raven [17]4 years ago
8 0

Answer:

4.95

Step-by-step explanation:

Ignore the 4 and focus on the rest. 19/20 is equivalent to 95/100. Convert that to a decimal and you get 0.95. 4 + 0.95 is 4.95.

kow [346]4 years ago
5 0

Answer:

4 is a whole number

19/20= .95

the answer is 4.95

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Which are the solutions of the quadratic equation?
Drupady [299]

For this case we must find the roots of the following equation:

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We have to:

x = \frac {-b \pm \sqrt {b ^ 2-4 (a) (c)}} {2 (a)}

Where:

a = 1\\b = -7\\c = -4

Substituting the values:

x = \frac {- (- 7) \pm \sqrt {(- 7) ^ 2-4 (1) (- 4)}} {2 (1)}\\x = \frac {7 \pm \sqrt {49 + 16}} {2}\\x = \frac {7\pm\sqrt {65}} {2}

We have two roots:

x_ {1} = \frac {7+ \sqrt {65}} {2} = 7.53\\x_ {2} = \frac {7- \sqrt {65}} {2} = - 0.53

Answer:

x_ {1} = \frac {7+ \sqrt {65}} {2} = 7.53\\x_ {2} = \frac {7- \sqrt {65}} {2} = - 0.53

6 0
3 years ago
For a wall of a given material and of a fixed surface area, the rate of heat loss by conduction through the wall is inversely pr
asambeis [7]
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olya-2409 [2.1K]
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6 0
4 years ago
PLEASE IF YOU CAN HELP ME!!
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Answer: y=-1/4x+3

Step-by-step explanation:

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