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Ann [662]
3 years ago
10

Courtney hit the bullseye 3/5 of time when playing darts.Write 3/5as a decimal

Mathematics
1 answer:
erastovalidia [21]3 years ago
6 0

3/5 as a decimal is 0.6 or 60% (percent)

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Solve for the variables
Pani-rosa [81]

Step-by-step explanation:

{x}^{2}  =  {30}^{2}  -  {18}^{2}  \\ x =  \sqrt{900 - 324}  \\ x =  \sqrt{576}  \\ x = 24

{y}^{2}  =  {24}^{2}  +  {10}^{2}  \\ y =  \sqrt{576 + 100}  \\ y = \sqrt{676}  \\ y = 26

<h3>#CMIIW</h3>

8 0
3 years ago
3. Consider the straight line x + y = 1 and the family of straight lines that pass
ANTONII [103]

Answer:

  • solution: (1/(1+m), m/(1+m))
  • no solution for m = -1 (lines are parallel)

Step-by-step explanation:

Two distinct lines will always have a point of intersection, provided they are not parallel. That is, the system of equations {x +y = 1, y = mx} will have a unique solution as long as m ≠ -1.

The solution to the system can be found by substitution:

  x +mx = 1

  x(1 +m) = 1 . . . . factor out x

  x = 1/(1+m) . . . . . divide by the coefficient of x; we must have m ≠ -1

  y = m/(1+m) . . . . find the y-coordinate of the solution

The point of intersection is (1/(1+m), m/(1+m)).

__

The above solution is undefined when the denominator is zero: m = -1. There is no solution for m = -1.

5 0
2 years ago
Write in the missing number <br> 350/ 10 = 350 * ?
dedylja [7]

Answer:

1/10

Step-by-step explanation:

350/10 = 350 * X

35 = 350 * X

35/350 = X

X = 1/10

8 0
3 years ago
Flying against the wind, an airplane travels 4500km in 6 hours. Flying with the wind, the same plane travels 2910 kilometers in
katen-ka-za [31]

Let <em>a</em> denote the airplane's speed in still air, and <em>w</em> the windspeed.

When the plane flies against the wind, it can travel an average speed of

(4500 km) / (6 h) = 750 km/h

so that

<em>a</em> - <em>w</em> = 750 km/h

Flying with the wind, it moves at a speed of

(2910 km) / (3 h) = 970 km/h

so that

<em>a</em> + <em>w</em> = 970 km/h

Add the two equations to eliminate <em>w</em> and solve for <em>a</em> :

(<em>a</em> - <em>w</em>) + (<em>a</em> + <em>w</em>) = 750 km/h + 970 km/h

2<em>a</em> = 1720 km/h

<em>a</em> = 860 km/h

Subtract them to eliminate <em>a</em> and solve for <em>w</em> :

(<em>a</em> - <em>w</em>) - (<em>a</em> + <em>w</em>) = 750 km/h - 970 km/h

-2<em>w</em> = -220 km/h

<em>w</em> = 110 km/h

7 0
3 years ago
Someone please help me understand how you expand and simplify brackets:(
tatiyna
<h3>(3x-2)(2x²+x+5)</h3><h3>3x (2x²+x+5) -2 (2x²+x+5)</h3><h3>6x³+3x²+15x-4x²-2x-10</h3><h3>6x³+3x²-4x²+15x-2x-10</h3><h3>6x³-x²+13x-10</h3><h3>this is the answer may u like it and hope full it will be the correct</h3>

please mark this answer as brainlist

3 0
3 years ago
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