3 years ago

Solve the equation 3x^2+x-5=0

Mathematics

1 answer:

mihalych1998 [28]3 years ago

7 0

Answer:

Step-by-step explanation:

Use the quadratic equation, with a = 3, b = 1 and c = -5

Discriminant b^2 - 4ac is 1 - 4(3)(-5) = 61

Because the discriminant is + there are two real, unequal roots:

-1 ± √61

x = ---------------

You might be interested in

A rectangular prism has a volume of 120 cubic inches. the length of the prism is 5 inches, the width is (x-2) inches, and the he

exis [7]

I hope this helps you

Volume = width ×length ×height

120÷5= 5. (x-2).(x+3)÷5

24=(x+3). (x-2)

8.3=(x+3).(x-2)

x-2=3 x= 5

width =x-2=3

height=x+3= 8

8 0

3 years ago

Multiply: -z^3(5 + z - 4z^2)

Alex787 [66]

- 5z^3 - z^4 + 4z^5 is the answer.

7 0

3 years ago

Sobre un cuerpo se aplica una fuerza de 30 N y se desplaza 8 metros; el trabajo necesario es equivalente a

Nostrana [21]

Answer:

Step-by-step explanation:

6 0

3 years ago

75 points and brainliest if im able to give it out.

Genrish500 [490]

Answer: The probability that at least 4 boys will find one that commutes to school with bicycle is 10% or 0.1 or 1/10

<u>Given:</u>

40% ride bicycle to school

4 boys have to pick 1

Step-by-step explanation:

40% ⇒ 40/100

$\frac{percent}{boys} =probability$ ⇒ $\frac{40}{4}$

= 10 ⇒ 10% or 0.1 or 1/10

6 0

2 years ago

Find the length of Line segment A C . Use that length to find the length of Line segment C D . What is the length of Line segmen

Marizza181 [45]

Answer: sin(40 degrees)

Step-by-step explanation:

5 0

4 years ago

Read 2 more answers