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hoa [83]
3 years ago
15

Can you write to me explaining this please

Mathematics
2 answers:
Mnenie [13.5K]3 years ago
7 0

Answer:

In addition, from the response shown, using a graphical calculator brings the following benefits:

1) You can write the system of linear equations as big as you want. This is: systems 3 * 3, 4 * 4, 5 * 5.

2) The response to systems of equations greater than 2 * 2 can be complicated when you graph the solution, therefore, the graphing calculator can be much more efficient in these cases.

3) You can write the linear equations in any way. Resolving by hand you should probably rewrite the system of equations to find the solution.

Step-by-step explanation:

Anarel [89]3 years ago
4 0

Answer:

Step-by-step explanation:

It is much simpler to graph and find the intersection points between the equations, which would be the solutions to the system, than graphing it by hand which would lead to some errors.

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amirah ,who is at a point P ,observes a boat at pont B 1200m from P in direction 047 degrees. The boat is moving due north of B
Luda [366]

Answer:

  about 2.81 km/h

Step-by-step explanation:

It can be useful to draw a diagram.

The lines pointing to due north from points B and P are parallel, so the angle BCP and the bearing of point C from P are the same, 30°. The angle BPC will be the difference of bearings of B and C at P, so is 47-30=17°. This is enough information to solve the triangle using the Law of Sines:

  PB/sin(C) = CB/sin(P)

  CB = PB·sin(P)/sin(C) = (1200 m)·sin(17°)/sin(30°) ≈ 701.7 m

The speed of the boat is then ...

  x = distance/time = (0.7017 km)/(1/4 h) = 2.8068 km/h

6 0
3 years ago
10X- 5x- 3x= 0 the solution set is
Neko [114]
<span>10X- 5x- 3x= 0
2x = 0
x = 0

The solution set is:

S={0}

Hope be useful

</span>
7 0
3 years ago
Read 2 more answers
A rectangle has a length of 9.00 inches and a width of 4.25 inches. What is the area in square inches? Round to the correct sign
mash [69]
3 sig figs
multiply
9.00*4.25=38.25
round to 3
38.3 square inches
5 0
2 years ago
A coin is tossed two times. What is the probability of getting one heads and one tails?
Natali [406]
I believe the probability is 1/2
3 0
2 years ago
Write an equation in standard form of the line that passes through (3,-7) and (9,-2)
Kobotan [32]
Slope = (-2 + 7)/(9 - 3) = 5/6

y = mx + b
-7 = 5/6(3) + b
b = -7 - 5/2
b = - 19/2

equation
y = 5/6x - 19/2

standard form
5/6x - y = 19/2 or 5x - 6y = 57
8 0
3 years ago
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