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3 years ago

Pls help need help ASAP

Mathematics

1 answer:

Leni [432]3 years ago

3 0

In the document below here is the answer y I’m here

I really need points so yeah,have a nice day..

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X=2t/t^2 +1 and y=2t/t^2 +1 <br>Find dy/dx

zhenek [66]

Answer:

dy/dx=1

Hope this helps! Please vote brainliest! :)

7 0

3 years ago

en un grupo de estudiantes de tercero de secundaria, 38 son diestros y 6 son zurdos. encuentra la razon de diestros con relacion

svetlana [45]

Answer:

The ratio is $\frac{19}{3}$

Step-by-step explanation:

The question in English is

In a group of high school third graders, 38 are right-handed and 6 are left-handed. find the ratio of right-handed to left-handed

Let

x -----> number of students that are right-handed

y -----> number of students that are left-handed

we know that

To find out the ratio of right-handed to left-handed, divide the number of students that are right-handed by the number of students that are left-handed

$\frac{x}{y}$

we have

$x=38\ right-handed\\y=6\ left-handed$

substitute

$\frac{38}{6}$

Simplify

$\frac{19}{3}$

4 0

3 years ago

Find the slope of the line<br><br> Slope=m=_____

rodikova [14]

Answer:

Step-by-step explanation:

Slope = y2-y1/x2-x1

We need to find two points on the graph, let's take these two points:

(x1, y1) (X2,y2)

(0,-6) and (2,2)

(2-(-6)/ (2-0) = 8/2 = 4

Answered by Gauthmath

3 0

3 years ago

Write the equation of the line that is perpendicular to the line y = 2x + 2 and passes through the point (6, 3).

Mama L [17]

For this case we have that by definition, the equation of the line in a slope-intersection form is given by:

$y = mx + b$

Where:

m: It's the slope

b: It is the cut-off point with the y axis

We have the following equation:

$y = 2x + 2$

Thus, the slope is $m_ {1} = 2$

By definition, if two lines are perpendicular then the product of the slopes is -1.

$m_ {1} * m_ {2} = - 1$

We find $m_ {2}:$

$m_ {2} = \frac {-1} {m_ {1}}\\m_ {2} = \frac {-1} {2}$

Thus, the equation of the line is:

$y = - \frac {1} {2} x + b$

We substitute the given point to find "b":

$3 = - \frac {1} {2} 6 + b\\3 = -3 + b\\b = 6$

Thus, the equation of a line perpendicular to the given line and passing through the given point is:

$y = - \frac {1} {2} x + 6$

Answer:

$y = - \frac {1} {2} x + 6$

7 0

3 years ago

Read 2 more answers

Find the value of x......

ASHA 777 [7]

Answer:

100

Step-by-step explanation:

Since, line a is parallel to line t ( from diagram ).

x - 30 and 70 are alternate interior angles.

Reason : -

Alternate interior angles are equal when two lines are parallel and cut by a transversal line.

x - 30 = 70

x = 70 + 30

x = 100

3 0

3 years ago

Read 2 more answers