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3 years ago

Find the area of each square given the side S or the perimeter P. S = 2 yd Thank you if u r helping me!

Mathematics

1 answer:

jonny [76]3 years ago

6 0

Answer:

I think the perimeter is 8 yd

Step-by-step explanation:

Because it's a square, if one side is 2 yd then we can assume that the remaining 3 sides are also 2 yd long. So, 2 yd + 2 yd + 2 yd + 2 yd = 8 yd

Hope this helps :)

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What is the equation of the line that passes through the point (5, 4) and is perpendicular to the line whose equation is 2x + y

konstantin123 [22]

So a line that is perpendicular is a line that intercepts other line at a 90 degree angle.

Slope of perpendicular lines is the opposite sign and the reciprocal of the other.

So if your slope was 2 the perpendicular line would have a slope of -1/2.

So the equation, 2x + y = 3

Can be rewritten as

y= -2x+3

Perpendicular slope: 1/2

Since it intercepts/ passes the coordinates (5,4) it means that those values are included in the function input x and output y.

y=mx+b

4=1/2(5)+b

Solve for b (y intercept)

4-2.5=b

1.5=b

So the equation of the perpendicular is

y=1/2x+3/2 or y=.5x+1.5

8 0

3 years ago

Need help on these please help

saw5 [17]

9514 1404 393

Answer:

(1) x(2/3) = y

(2) 27

(3) 8

(4) 9

Step-by-step explanation:

The first line of the table tells you how to fill in the second line. Use the x and y values from the third line to write (y/x) = (2/3). This gives you the equation ...

x(2/3) = y . . . . line (1)

For the remainder of the table, you can use the given value compared to the value in line 3 to see what the multiplier is for the other value.

(2): The multiplier is 18/2 = 9, so the missing x-value is 3×9 = 27.

(3): The multiplier is 12/3 = 4, so the missing y-value is 2×4 = 8.

(4): The multiplier is 6/2 = 3, so the missing x-value is 3×3 = 9.

3 0

3 years ago

The graph of y=3x^2-3x-1 is shown. Use the graph to find estimates for the solutions of i)3x^2-3x+2=2 ii) 3x^2-3x-1=x+1

AlexFokin [52]

Answer:

i) (0, 2) and (1, 2), ii) (0.333, 1.333) and (1, 2).

Step-by-step explanation:

i) Let be $y=3\cdot x^{2}-3\cdot x -1$ , if $3\cdot x^{2}-3\cdot x +2 = 2$ , which is equivalent to the following system of equations:

$y = 3\cdot x^{2}-3\cdot x +2$

$y = 2$

Now, this system is now represented by means of a graphing tool and whose outcome is attached below. There are two solutions: (0, 2) and (1, 2)

ii) Let be $y=3\cdot x^{2}-3\cdot x -1$ , if $3\cdot x^{2}-3\cdot x +2 = x+1$ , which is equivalent to the following system of equations:

$y = 3\cdot x^{2}-3\cdot x +2$

$y = x+1$

Now, this system is now represented by means of a graphing tool and whose outcome is attached below. There are two solutions: (0.333, 1.333) and (1, 2)