2 years ago

Which method may be fastest if both equations are in standard form with the x's and y's lined up?

Mathematics

1 answer:

Svetradugi [14.3K]2 years ago

4 0

The answer is graphing

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The figure below is a net for a triangular pyramid. If all the triangles are equilateral, what is the surface area of the pyrami

Sedaia [141]

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1 year ago

Imagine each letter of the world ,, Mathematical " is written on invidual piecies of paper and placed in a bag. Should you pick

Minchanka [31]

Answer:

5/12

Step-by-step explanation:

count the vowels: mAthEmAtIcAl --> a,e,a,i,a: 5

count the letters: 12

-->probability 5/12

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2 years ago

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Which expression is equivalent to (4x^(3)y^(5))(3x^(5)y)^(2)

marshall27 [118]

Answer:

$(4x^3y^5)(3x^5y)^2 = 36*x^{13}y^7$

Step-by-step explanation:

Given

$(4x^3y^5)(3x^5y)^2$

Required

The equivalent expression

We have:

$(4x^3y^5)(3x^5y)^2$

Expand

$(4x^3y^5)(3x^5y)^2 = 4x^3y^5*9x^{10}y^2$

Further expand

$(4x^3y^5)(3x^5y)^2 = 4*9*x^3*x^{10}y^5*y^2$

Apply laws of indices

$(4x^3y^5)(3x^5y)^2 = 36*x^{13}y^7$

8 0

2 years ago

the sum of the recipocal of two consecutive even number is 7/24.one number is 6.the other number will be

coldgirl [10]

Answer:

Step-by-step explanation:

The numbers are 6 and 2x, then:

1/6 + 1/(2x) = 7/24
1/3 + 1/x = 7/12
(x+3)/(3x) = 7/12
12(x+3) = 7*3x
12x + 36 = 21x
21x - 12x = 36
9x = 36
x = 4

The other number is 2*4 = 8

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3 years ago

What is the equation of the line that has a slope of -3 and passes through the point (-2, 4)?

ludmilkaskok [199]

Y = -3x + b
Plug in points
4 = -3(-2) + b
4 = 6 + b, b = -2
Solution: y = -3x - 2

3 0

2 years ago