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rewona [7]
3 years ago
9

Point A(1,9) and point B(−4,−3) are located within the coordinate plane.

Mathematics
2 answers:
AlekseyPX3 years ago
8 0

Answer:

The answer to your question is 13 units

Step-by-step explanation:

Data

A (1, 9)

B (-4, -3)

distance = ?

Formula

distance = \sqrt{(x2 - x1)^{2} + (y2 - y1)^{2}}

Substitution

distance = \sqrt{(-4 - 1)^{2} + (-3 - 9)^{2}}

Simplification

distance = \sqrt{(-5)^{2} + (-12)^{2}}

distance = \sqrt{25 + 144}

distance = \sqrt{169}

Result

distance = 13

Svetllana [295]3 years ago
5 0
13, using either the distance formula or graphing the line and using a^2 + b^2 = c^3
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Step-by-step explanation:

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Which of the following ordered pairs represents the solution to the system of equations below?
expeople1 [14]
<span>-3x + 2y = 2  eq (1)

  7x - 3y = 7    eq (2)

Mutiply eq (1) by 3 and eq (2) by 2:

-9x + 6y = 6

14x - 6y = 14

Add th two new equations:

-9x + 14x = 6 + 14

=> 5x = 20

=> x = 20/5

=> x = 4

Now from eq (1)

-3(4) + 2y = 2

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So the ordered pair is (4,7)

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3 years ago
A fruit bowl is shaped like half of a sphere. The radius of the bowl is 15 cm. What is the volume of the bowl?
Delicious77 [7]

Answer:

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Step-by-step explanation:

r = 15 cm

volume of a sphere:

(4/3)(Pi)r^3

Therefore:

(4/3)(Pi)15^3

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and since it is half a sphere (it is a bowl) the answer would be divided by two:

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5 0
3 years ago
F(x)=20-x^2+8x<br> what are the minimum and maximum points and the axis of symmetry?
-Dominant- [34]
Vertex aka max or min point is found by -b/2a in form
f(x)=ax^2+bx+c
f(x)=-1x^2+8x+20
vertex x value is -8/(2)(-1)=-8/-2=4
input back to find y value
f(4)=-(4^2)+8*4+20
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axis of symmetry is the x coordinate


max is (4,36)
axis of symmetrry is x=4
5 0
3 years ago
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