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3 years ago

PLEASE HELP ME WITH THIS

Mathematics

1 answer:

yawa3891 [41]3 years ago

7 0

Answer:

parallel

Step-by-step explanation:

1.y=-0.5x+1

2.y=-0.5x+1

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Find 3 solutions (ordered pairs) for the equation 3x - 2y = 12

Alex17521 [72]

Answer: (0,−6),(1,−9/2),(2,−3)

I’m pretty sure these are it!

5 0

3 years ago

Sketch the region enclosed by y=3x and y=x^2 . Then find the area of the region.

kolezko [41]

Answer:

$A=4.5u^2$

Step-by-step explanation:

The integral of a function gives you the area under the curve, the subtraction of one of the areas from the other will give you the area in between.

The limits of integration are the points where the curves intersect each other(take the curves has a system of equation and solve for x and y):

$y=3x, y=x^2\\3x=x^2\\x^2-3x=0\\x(x-3)=0\\x_1=0\\x-3=0\\x_2=3$

$y_1=3x_1=3(0)=0\\y_2=3x_2=3(3)=9$

The integral will be the subtraction of the curve $y=3x$ and $y=x^2$ (In the graph you can see y=3x is the upper curve):

$\int\limits^3_0 {3x-x^2} \, dx =\left\frac{3x^2}{2}-\frac{x^3}{3}\right|^3_0=\frac{3(3)^2}{2}-\frac{(3)^3}{3}-\left(\frac{3(0)^2}{2}-\frac{(0)^3}{3}\right)\\\int\limits^3_0 {3x-x^2} \, dx =\frac{27}{2}-\frac{27}{3} =13.5-9=4.5u^2$

6 0

3 years ago

Find 4% of an hour plssssss helpp

Murljashka [212]

Answer:

2.4 minutes

Step-by-step explanation:

1 h/r = 60

60 percent * 4 =

(60:100)* 4 =

(60* 4):100 =

240:100 = 2.4

4 0

3 years ago

Sariah's teacher asked everyone in the class to bring a model of the park near their school so that they could add labels to the

suter [353]

Answer:

to draw looking down at the park

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3 years ago

Which number in the set {6, 12, 18, 36} satisfies the equation 6x - 18 = 54?

Sergeeva-Olga [200]

Answer:

Here we can go for trial and error,

Taking x=6

So equation will be 6*6-18 which gives 18

and is not equal to 54

So it's, not 6

Trying 12

6*12-18

Which is 54 and so correct answer is x=12

3 0

3 years ago

PLEASE HELP ME WITH THIS​

PLEASE HELP ME WITH THIS