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2 years ago

I NEED THE ANSWER NOW

Mathematics

2 answers:

o-na [289]2 years ago

6 0

1/8 is the answer to the question

Angelina_Jolie [31]2 years ago

4 0

1/8 is the correct answer

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Which are the solutions of x2 = 19x + 1?

Finger [1]

Answer:

$(\frac{19-\sqrt{365}} {2},\frac{19+\sqrt{365}} {2})$

Step-by-step explanation:

we have

$x^2=19x+1$

we know that

The formula to solve a quadratic equation of the form

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

is equal to

$x=\frac{-b\pm\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$-x^{2}-19x-1=0$

$a=1\\b=-19\\c=-1$

substitute in the formula

$x=\frac{-(-19)\pm\sqrt{-19^{2}-4(1)(-1)}} {2(1)}$

$x=\frac{19\pm\sqrt{365}} {2}$

$x=\frac{19+\sqrt{365}} {2}$

$x=\frac{19-\sqrt{365}} {2}$

$(\frac{19-\sqrt{365}} {2},\frac{19+\sqrt{365}} {2})$

therefore

StartFraction 19 minus StartRoot 365 EndRoot Over 2 EndFraction comma StartFraction 19 + StartRoot 365 EndRoot Over 2 EndFraction

6 0

3 years ago

Read 2 more answers

You sell the shoes pictured during your 6-hour shift. The prices are:

Aleks [24]

Answer:

$6 \times 12.5 = 75$

The total price in shoe sales equals $709.96

10% of $709.96 is $71 after rounding up.

$71 plus $75=$146

answer-$146

5 0

3 years ago

What is the volume of the right rectangular prism 8L 10W 3

Galina-37 [17]

Volume is L x W x H

8 x 10 x 3 = 240 cubic units

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3 years ago

What is 80% as a fraction?

IgorLugansk [536]

8 0

3 years ago

Read 2 more answers

PLEASE HELP ILL GIVE 25 POINTS FOR IT

Naddik [55]

90/2 = 45 degrees twices
These both are 45 degrees which is less than 90

3 0

3 years ago