All categories

4 years ago

What are the solutions to the equation 0 = x2 - x-6? Select two options

Mathematics

2 answers:

makvit [3.9K]4 years ago

6 0

Answer:

B and E

Step-by-step explanation:

gregori [183]4 years ago

4 0

Answer:

x=3, x=-2

Step-by-step explanation:

If this equation is $x^2-x-6$ , then plug in each number. For this example, I'll only do the correct answers.

$3^2=9\\9-3-6=0$

$-2^2=4\\4-(-2)-6=0\\or\\4+2-6=0$

Hope this helps!

You might be interested in

I don't need an answer anymore.

Ghella [55]

Is this a question? Or what is the question if you first said it?

4 0

3 years ago

En un triángulo rectángulo A es un ángulo agudo y Sen A = 4/5 ¿Cuál será el valor de Tan A?

Nonamiya [84]

Answer:

$\displaystyle \tan A=\frac{4}{3}$

Step-by-step explanation:

<u>Funciones Trigonométricas</u>

La identidad principal en trigonometría es:

$sen^2A+cos^2A=1$

Si sabemos que A es un ángulo agudo (que mide menos de 90°), su seno y coseno son positivos.

Dado que Sen A = 4/5, calculamos el coseno:

$cos^2A=1-sen^2A$

Sustituyendo:

$\displaystyle cos^2A=1-\left(\frac{4}{5}\right)^2$

$\displaystyle cos^2A=1-\frac{16}{25}$

$\displaystyle cos^2A=\frac{25-16}{25}$

$\displaystyle cos^2A=\frac{9}{25}$

Tomando raíz cuadrada:

$\displaystyle cos\ A=\sqrt{\frac{9}{25}}=\frac{3}{5}$

La tangente se define como:

$\displaystyle \tan A=\frac{sen\ A}{cos\ A}$

Substituyendo:

$\displaystyle \tan A=\frac{\frac{4}{5}}{\frac{3}{5}}$

$\displaystyle \tan A=\frac{4}{3}$

6 0

3 years ago

Line AB goes through the points A (0,-4) and B (6,2). Which equation represents line AB?

Nadya [2.5K]

Answer:

c, i just got it right on edge

Step-by-step explanation:

8 0

3 years ago

2. Allison has 22 meters of fabric to sew dresses. She uses 3 meters of fabric for each

drek231 [11]

Answer:

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

What is the median of these numbers, 78,57,45,70,72? *

lana66690 [7]

Answer:

Step-by-step explanation:

arranging in ascending order

45,57,70,72,78

number of terms=5

median=(5+1)/2=3rd

or median =70

3 0

3 years ago

Read 2 more answers