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bonufazy [111]
3 years ago
9

Four times the square of a positive number is eight times that number. Find the number.

Mathematics
1 answer:
kotykmax [81]3 years ago
6 0

Answer:

  2

Step-by-step explanation:

Let x represent the number.

  4x^2 = 8x . . . . . 4 times the square of a number is 8 times that number

  4x^2 -8x = 0 . . . . subtract 8x

  4x(x -2) = 0 . . . . . factor

  x = 0  or  x = 2 . . . . the product is zero when the factors are zero

The positive number is 2.

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Margaret [11]
The greatest common factor is 6

36: 1, 2, 3, 4, 6, 9, 12, 18, 36
42: 1, 2, 3, 6, 7, 14, 21, 42


Hope this helps : )
3 0
4 years ago
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How do I solve 2x+3y=7, x-y=1
Fittoniya [83]
<span>2x+3y=7
x-y=1

</span>2x+3y=7
x=1+y

2*(1+y)+3y=7
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2+2y+3y=7
x=1+y

5y=5       |(:5)
x=1+y

y=1
x=2

CHECK:
2x+3y=7
x-y=1

2*2 + 3*1 = 7     

x-y = 1
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5 0
3 years ago
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Hi, i need help with this question. Thank you so much if you decide to help me :3
irina1246 [14]

Answer:

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7 0
4 years ago
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Will mark as brainliest! 40 points! Thanks!
n200080 [17]

When given a system of equations, the "solutions" are defined where two equations intersect, or meet.


A. The point where the lines p(x) and g(x) meet is (3, -1), and thus this is considered the solution set.

B. Because there are three lines in total, g(x) is able to intersect both lines one time, and so it has two pairs of solutions.

The first is (3, -1), which has already been established with p(x).

The second is (0, 5), and this is where it intersects with f(x).

C. The solution to f(x) = g(x) is 0, as this is the only x value where both equations are equal.


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3 years ago
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A brass ornament has a volume of 24cm^3.
dedylja [7]

For this case we have that by definition, the density is given by:

d = \frac {M} {V}

Where:

M: It is the mass

V: It is the volume

According to the data of the statement we have:

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Thus, the mass of the brass ornament is208.8 \ g

Answer:

208.8 \ g

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4 years ago
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