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True [87]
3 years ago
5

PLZ HELP

Mathematics
2 answers:
Alenkinab [10]3 years ago
6 0

well the absolute means positive so it would be a positive 1.6


stepladder [879]3 years ago
4 0

Answer:

The absolute value of Point B labelled on the number line is 1.6.

Step-by-step explanation:

In a number line

Coordinate of point A = -2.2

Coordinate of point B = -1.6

Coordinate of point C = 1.2

We need to find the absolute value of Point B labelled on the number line.

Absolute value : Absolute value of a real number is the non-negative value of that number. Let x be a real number, then

|x|=|-x|=x

The absolute value of Point B is

|-1.6|=1.6

Therefore the absolute value of Point B labelled on the number line is 1.6.

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Which two equations would be most appropriately solved by using the quadratic formula?
leva [86]

For this case we have that by definition, the quadratic formula is:x = \frac {-b \pm \sqrt {b ^ 2-4 (a) (c)}} {2a}

A quadratic equation is of the form:

ax ^ 2 + bx + c = 0

Option A: This equation can be solved without the quadratic formula

x ^ 2 = \frac {9} {3}\\x ^ 2 = 3\\x = \pm \sqrt {3}

Option B:

This equation is not as easy to solve by factoring or as option A. We can use the quadratic formula.

Option C:

-2x ^ 2 + 5x = 7

Similarly, this equation can be solved with the quadratic formula

Option D:

- (x - 3) (x + 9) = 0

In this factored equation we can see that the roots are

x_ {1} = 3\\x_ {2} = - 9

Answer:

Option B, C

4 0
4 years ago
What angle is included by AC and BC?<br> A. B. C.
forsale [732]

Answer:

B

Step-by-step explanation:

3 0
3 years ago
Please simplify this
alexandr1967 [171]

Answer:

root 10

Step-by-step explanation:

8 0
4 years ago
A una persona le ofrecieron dos trabajos de vendedor. En la empresa A, le ofrecieron al mes un sueldo base de $6 000 más una com
Dominik [7]

Concluimos que a partir de 21 piezas se gana más en la empresa B.

<h3>¿Cuanto debe vender para que le paguen más en la empresa B?</h3>

Si definimos el número de piezas vendidas como x, la cantidad que le pagan en la empresa A es:

A(x) = $6000 + $20*x

Y lo que le pagan en la empresa B es:

B(x) = $6000 + x^2

Queremos ver para que valor de x, se da que B(x) > A(x).

Entoces resolvamos esa inequación.

6000 + 20*x < 6000 + x^2

20x < x^2

20 < x

x debe ser más grande que 20, entonces concluimos que a partir de 21 piezas se gana más en la empresa B.

Sí quieres aprender más sobre inecuaciones, puedes leer:

brainly.com/question/23023694

4 0
2 years ago
5/9*18/25<br><br> i need help
Akimi4 [234]

Answer:

\frac{2}{5}

Step-by-step explanation:

\frac{5}{9} * \frac{18}{25} = \frac{5 * 18}{9 * 25} = \frac{90}{225} = \frac{45 * 2}{45 * 5} = \frac{2}{5}

4 0
4 years ago
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