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koban [17]
4 years ago
11

determine whether the graphs of the equations are parallel lines, perpendicular lines, or neither. 3x-4y=-5 8x+6y=-5 show full w

ork please and thank you
Mathematics
2 answers:
vivado [14]4 years ago
7 0
3x - 4y = -5
4y = 3x + 5
y = (3/4)x + 5/4

8x + 6y = -5
6y = -8x - 5
y = -(8/6)x - 5/6
y = -(4/3)x - 5/6

Because the slopes are negative reciprocals, the lines are perpendicular.
Nataly [62]4 years ago
3 0
What are the solutions of the equation x4 – 5x2 – 14 = 0? Use factoring to solve.
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H3LP HELP PLZ...... . . . ..
olasank [31]
Final answer ( 601.7 cm^2 )
!! Not sure !!
But hope it helps

8 0
3 years ago
B. X-0.75x = 9.00 solve with explanation?
Monica [59]

Answer:

x-0.75x=9.00

-0.74x=9.00

x=0.74+9.00

x=9.74

Step-by-step explanation:

7 0
3 years ago
Find the area of the parallelogram, trapezoid, rhombus, or kite. Round to the nearest tenth, if necessary.
Sergeeva-Olga [200]

Answer:

  • 69.3 yd²

Step-by-step explanation:

Area equation of the parallelogram

  • A = bh, where b- base, h - height

Looking at the picture, we can see the right triangle is isosceles as one of interior angles is 45°. It has hypotenuse of 7 and legs of h.

As per property of 45° right triangle the hypotenuse is √2 times the leg.

It gives us

  • h√2 = 7 ⇒ h = 7/√2 = 4.95 (rounded)

Now find the area

  • A = 14*4.95 = 69.3 yd²
4 0
2 years ago
The equation of a circle is
sergij07 [2.7K]

Answer:

The answer is

<h3>center = ( - 7 , - 1)</h3><h3>radius = 6</h3>

Step-by-step explanation:

The general equation of a circle is given by

<h3>x² + y² + 2gx + 2fy + c = 0</h3>

where the center of the center of the circle is given by

<h3>( - g , - f)</h3>

From the question the equation is

x² + y² + 14x + 2y + 14 = 0

Comparing with the general equation above we have

2g = 14 2f = 2

g = 7 f = 1 c = 14

So the center of the circle is

<h3>( - 7 , - 1)</h3>

The radius of a circle is given by

r =  \sqrt{ {g}^{2}  +  {f}^{2}  - c}

where

g = 7

f = 1

c = 14

Substitute the values into the above formula

That's

r =  \sqrt{ {7}^{2}  +  {1}^{2} - 14 }  \\ r =  \sqrt{49 + 1 - 14}  \\ r =  \sqrt{36}

we have the final answer as

<h3>radius = 6</h3>

Hope this helps you

5 0
3 years ago
The Bio Pharm company has developed a stress test for college-aged students. Scores on the stress test for such students are app
Orlov [11]

Answer:

dfdfdf

Step-by-step explanation:

8 0
3 years ago
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