I need the answers please

Mathematics

2 answers:

Nadusha1986 [10]3 years ago

8 0

base times height divided by 2

8 time 6 is 48 divided by 2 is 24

Lelechka [254]3 years ago

6 0

Answer:

Step-by-step explanation:

Using the Pythagorean Theorem, a^2+b^2=c^2, you can find the hypotenuse length.

8^2+6^2=c^2

64+36=c^2

100=c^2

√100=c

10=c

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3 years ago

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Answer:

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5 0

3 years ago

Solve the equation 6w2 – 7w – 20 = 0.

azamat

For this case we have the following quadratic equation:

$6w ^ 2-7w-20 = 0$

Where:

$a = 6\\b = -7\\c = -20$

Its roots will be given by:

$w = \frac {-b \pm \sqrt {b ^ 2-4 (a) (c)}} {2 (a)}\\w = \frac {- (- 7) \pm \sqrt {(- 7) ^ 2-4 (6) (- 20)}} {2 (6)}\\w = \frac {7 \pm \sqrt {49 + 480}} {12}\\w = \frac {7 \pm \sqrt {529}} {12}\\w = \frac {7 \pm23} {12}$

The roots are:

$w_ {1} = \frac {7 + 23} {12} = \frac {30} {12} = \frac {15} {6} = \frac {5} {2}\\w_ {2} = \frac {7-23} {12} = \frac {-16} {12} = - \frac {8} {6} = - \frac {4} {3}$