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3 years ago

Help!!! Need done by 6/222019

Mathematics

1 answer:

Bas_tet [7]3 years ago

6 0

Answer:

Its a long way to get to the answer but contact me if you want an explanation...

Step-by-step explanation:

$y(x) = - \frac{1}{8} {x}^{4} + \frac{3}{8} {x}^{3} + {x}^{2} - \frac{3}{2} x - 2$

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two angles are complementary. the larger angle is 6 more than five times the number. how large is the smaller angle?

spin [16.1K]

Answer:

14 degrees

Step-by-step explanation:

Complementary angles means they add up to 90 degrees.

If the smaller angle times 5 plus 6 equals the bigger angle, then:

14 x 5 = 70

70 + 6 = 76

76 + 14 = 90

6 0

2 years ago

Read 2 more answers

D - 41 = 19

DaniilM [7]

Answer:

see explanation

Step-by-step explanation:

add 41; d = 60

3 0

3 years ago

Solve the equation by using the quadratic formula. 3 x squared minus 1 = 7 x

Paladinen [302]

Answer:

b. $\frac{7+\sqrt{61} }{6} ,\frac{7-\sqrt{61} }{6}$

Step-by-step explanation:

$3x^{2} -1=7x$

Quadratic equations are suppose to be written as: $ax^2+bx+c=0$

so the new quadratic equation for this problem will be: $3x^{2} -1-7x=0$

Now rearrange the terms: $3x^{2} -7x-1=0$

Then use the Quadratic Formula to Solve for the Quadratic Equation

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

Note: Ignore the A in the quadratic formula

Once in standard form, identify a, b and c from the original equation and plug them into the quadratic formula.

$3x^{2} -7x-1=0$

a = 3

b = -7

c = -1

$x=-(-7)±\frac{\sqrt{(-7)^2-4(3)(-1)} }{2(3)}$

Evaluate The Exponent

$x=\frac{7±\sqrt{(49)-4(3)(-1)} }{2(3)}$

Multiply The Numbers

$x=\frac{7±\sqrt{49+12} }{2(3)}$

Add The Numbers

$x=\frac{7±\sqrt{61} }{2(3)}$

Multiply The Numbers

$x=\frac{7±\sqrt{61} }{6}$

4 0

3 years ago

ANSWER QUICK AND CORRECTLY AND I WILL MARK THE BRAINLIEST PLEASE HELP!!!!

ahrayia [7]

Answer:

Step-by-step explanation:

because I'm brainlyiest

6 0

3 years ago

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Aleks [24]

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step by step:

6 0

2 years ago