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4 years ago

Graph the solution to -20x -16 > 4

Mathematics

1 answer:

Paha777 [63]4 years ago

5 0

Answer:

i hope u just want the graph

Step-by-step explanation:

desmosss

hope this is correct and helps :)

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A plane traveled 1012 miles each way to Warsaw and back. The trip there was with wind. It took 11 hours. The trip back was into

lesya [120]

Answer: speed of plane is 69/miles per hour

Speed of wind is 23 miles per hour

Step-by-step explanation:

Let x represent the speed of the plane.

Let y represent the speed of the wind.

A plane traveled 1012 miles each way to Warsaw and back. The trip there was with wind. It took 11 hours.

This means that the speed is x+y miles/hour. Therefore

1012 = 11(x+y)

1012 = 11x + 11y - - - - - - - - 1

The trip back was into wind. The trip back took 22 hours.

Since it flew against the wind, the speed would be x-y km/hour

Distance = speed × time. Therefore

1012 = 22(x - y )

1012 = 22x - 22y

Dividing through by 2

506 = 11x - 11y- - - - - - - - - 2

Adding equation 1 and equation 2, it becomes

1518 = 22x

x = 1518/22 = 69

Substituting x = 69 into

1012 = 22(x - y )

x - y = 1012/622= 46

y = 69 - 46 = 23

3 0

4 years ago

Simplify the following expressio. -11x^2+10x-9x^2+6

butalik [34]

The answer to this problem

-20^2+10+6

6 0

3 years ago

How do you do this!?!

Andrei [34K]

11x + y = 4

x | y

0 | 4

$\frac{4}{11}$ | 0

plot the y-intercept (0, 4) and the x-intercept ( $\frac{4}{11}$ , 0)

11x + y = 4

-11x -11x

y = -11x + 4 ⇒ m = $\frac{-11}{1}$ , b = 4

plot at point the y-intercept "b = 4" (0,4). plot the next point using the slope "m = $\frac{-11}{1}$ " from point (0,4), count down 11 and to the right 1 (1,-7).

Using intercepts would not provide an accurate graph because you have to estimte where ( $\frac{4}{11}$ , 0) is, so it is best to use slope-intercept form.

***********************************************************************************************************

x + y = -2

x | y

0 | -2

-2 | 0

plot the y-intercept (0, -2) and the x-intercept (-2, 0)

x + y = -2

-x -x

y = -x - 2 ⇒ m = $\frac{-1}{1}$ , b = -2

plot at point the y-intercept "b = -2" (0,-2). plot the next point using the slope "m = $\frac{-1}{1}$ " from point (0,-2), count down 1 and to the right 1 (1,-3).

Both methods are easy to use so either can be used.

**********************************************************************************************************

x - 2y = 18

x | y

0 | -9

18 | 0

plot the y-intercept (0, -9) and the x-intercept (18, 0)

x - 2y = 18

-x -x

-2y = -x + 18

$\frac{-2y}{-2} = \frac{-1}{-2}x + \frac{18}{-9}$

y = $\frac{1}{2}x$ - 9

plot at point the y-intercept "b = -9" (0,-9). plot the next point using the slope "m = $\frac{1}{2}$ " from point (0,-9), count up 1 and to the right 2 (2,-8).

Using intercepts will make a large graph since you have to plot (18,0) so it is best to use the slope-intercept form.

6 0

3 years ago

A store and bank would both charge fees for

tester [92]

Bouncing a check is the answer.

4 0

3 years ago

0.12 divided by 5.676

lubasha [3.4K]

Answer:

47.3

Step-by-step explanation:

5 0

3 years ago