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amm1812
3 years ago
6

Write an equation of the line that is (a) parallel and (b) perpendicular to the line

Mathematics
1 answer:
Amiraneli [1.4K]3 years ago
6 0

Answer:Parallel , the equation is y = 3x - 5

  perpendicular : y = -x/3  -7/3

Step-by-step explanation:

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Alex restaurant bill is $58 and he wants to leave a 20% tip which expression of the total armor that Alex needs to
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The total amount he should pay is $69.6

20% of 58 is 11.6

11.6+58=69.6
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3 years ago
A roller coaster car rapidly picks up speed as it rolls doen a slope. As it starts down the slope, it's speed is 4m/s. But 3 sec
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The average is 18m/s.

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3 years ago
The leg of a right triangle is 3 units and the hypotenuse is 4 units. What is the length, in units, of the other leg of the tria
Dmitry [639]

Answer:

square root of 7

Step-by-step explanation:

Each right angle triangle has 3 sides known as the opposite, adjacent and hypotenuse sides. The relationship between these 3 sides is as defined by pythagoras theorem which states that

a² + b² = c²

where a and b are the lengths of the opposite and adjacent sides (in no particular order) and c is the length of the hypotenuse side.

Given that the leg of a right triangle is 3 units and the hypotenuse is 4 units, it means that

a² + 3² = 4

where a is the length in units, of the other leg of the triangle

a² = 4² - 3

a² = 16 - 9

= 7

a = √7

8 0
4 years ago
X+9/x^3-9x^2+15x+25<br> how do I solve this
mezya [45]
\frac{x + 9}{x^{3} - 9x^{2} + 15x + 25}
\frac{x + 9}{x^{3} - 10x^{2} + x^{2} + 25x - 10x + 25}
\frac{x + 9}{x^{3} - 10x^{2} + 25x + x^{2} - 10x + 25}
\frac{x + 9}{x(x^{2}) - x(10x) + x(25) + 1(x^{2}) - 1(10x) + 1(25)}
\frac{x + 9}{x(x^{2} - 10x + 25) + 1(x^{2} - 10x + 25)}
\frac{x + 9}{(x + 1)(x^{2} - 10x + 25)}
\frac{x + 9}{(x + 1)(x^{2} - 5x - 5x + 25)}
\frac{x + 9}{(x + 1)(x(x) - x(5) - 5(x) + 5(5)}
\frac{x + 9}{(x + 1)(x(x - 5) - 5(x  -5))}
\frac{x + 9}{(x + 1)(x - 5)(x - 5)}
\frac{x + 9}{(x + 1)(x - 5)^{2}}
4 0
3 years ago
The perimeter of a pentagon is 20t + 7.
stealth61 [152]

Answer:

3t+11

Step-by-step explanation:

A pentagon has 5 sides

Perimeter is the total measurement around an object=20t+7

we have not been given the 5th side measurement so lets make it x

6t +2t+4t-5+5t+1+x=20t+7

put the liketerm together i e

6t+2t+4t+5t-20t+x=7+5-1

17t-20t+x=11

-3t+x=11

x=11+3t.

So the measurements of the fifth side is 11+3t same as 3t+11

3 0
3 years ago
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