2 years ago

Can you tell me if these are correct, fix them if there not, and answer this one in the form of

Mathematics

1 answer:

bekas [8.4K]2 years ago

3 0

Answer: Here’s some help

Step-by-step explanation:

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A student solves a quadratic and gets solutions of x=-7 and x=8. Could the discriminant of this equation equal -188?

MrMuchimi

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3 years ago

Which of the following pair of times has an elapsed time of 3 hours and 20 minutes between the times?

solniwko [45]

the answer is 3:20 to 6:00 which equals 3 hours and 20 minutes

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3 years ago

3- EL MÉDICO LES DIJO QUE ES IMPORTANTE CONSUMIR 8 VASOS DE AGUA DE 250 ML DIARIAMENTE.

artcher [175]

Step-by-step explanation:

Si en cuatro vasos es un litro y cada integrante de la familia consume 2 litro diarios, la operacion seria 5 × 2 = 10 Por que son cinco integrantes de la familia y cada uno consume dos diarios entonces consumen 10 litro diarios

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2 years ago

The linear equation y = mx + b contains the point (4, -2) and is perpendicular to the

xenn [34]

A linear equation is represented as: $y = mx + b$ .

The equation of the line is: $y =3x - 14$

First, we calculate the slope (m) of $6x + 18y = 11$

Make y the subject

$18y = -6x + 11$

Divide by 18

$y = -\frac{1}{3}x + \frac{11}{18}$

In $y = mx + b$

$m \to$ slope

So, the slope of $y = -\frac{1}{3}x + \frac{11}{18}$ is:

$m = -\frac 13$

Since, the line is perpendicular to $6x + 18y = 11$

The slope of the line is:

$m_1 = -\frac{1}{m}$

So, we have:

$m_1 = -\frac{1}{-1/3}$

$m_1 = 3$

The line passes through (4,-2).

So, the equation is:

$y =m(x - x_1) + y_1$

This gives:

$y =3(x - 4) -2$

$y =3x - 12 -2$

$y =3x - 14$

Hence, the linear equation is:

$y =3x - 14$