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2 years ago

Equation

Mathematics

1 answer:

jekas [21]2 years ago

6 0

You can use math away it would help!

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Find the sum of the roots of the quadratic x^2 + 7x - 13 = 0

Hoochie [10]

Answer:

-7

Step-by-step explanation:

You use the quadratic formula of $ax^{2} +bx+c = 0$ to get:

a = 1

b = 7

c = -13

then you plug that into x= (-b ± √b²-4ac)/(2a) :

x= ( -7 ± √7²- 4(1)(-13) )/(2(1))

$x=-\frac{7}{2} + \frac{\sqrt{101}}{2} \\\\x=-\frac{7}{2} - \frac{\sqrt{101}}{2}$

The sum of these two x values turns out to be:

$x=-\frac{7}{2} + \frac{\sqrt{101}}{2}+( -\frac{7}{2} - \frac{\sqrt{101}}{2} )= -\frac{14}{2} = 7$

6 0

2 years ago

Which is irrational? 32/3 1.7284927172646362..... 1.3232323232.... 1.5

emmasim [6.3K]

Answer:

Step-by-step explanation:

32/3

=10.666666667

4 0

3 years ago

The owner invested personal equipment in the business. To record this transaction,

Artemon [7]

Debit equipment and credit capital

7 0

3 years ago

Find 5 solutions to the question. Y=-1.5x+2

Black_prince [1.1K]

Answer:

☆< 《HOPE IT WILL HELP YOU》>☆

Step-by-step explanation:

Y=1.5x+2

y=1.5 (1) +2

y=1.5+2

y=3.5

y=1.5(2)+2

y=3+2

y=5

y=1.5 (3)+2

y=4.5+2

y=6.5

y=1.5 (4)+2

y=6+2

y=8

y=1.5 (5)+2

y=7.5+2

y=9.5

<h2>please mark my ans as BRAIN LIST</h2>

3 0

3 years ago

Greatest common factor of 50,50

zubka84 [21]

Answer:

The greatest common factor of 50

Step-by-step explanation:

Greatest Common Factor (GCF) of two numbers

and the factors of 50 are 1, 2, 5, 10, 25 and 50.

8 0

2 years ago