2 years ago

Is (1, 3) a solution to this system of equations?

Mathematics

2 answers:

Scrat [10]2 years ago

8 0

No, this is because the (1,3), when put into the first equation, does not equal 13.

andrezito [222]2 years ago

5 0

Answer:

because it doesn't work with the first equation

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A sphere is dilated by a scale factor of 1.5 to create a new sphere. How does the volume of the new sphere compare with the volu

SashulF [63]

Answer:

The volume of new sphere is 3.375 times greater than the volume of old sphere

Step-by-step explanation:

Let r be the radius of old sphere. This old sphere is dilated by a scale factor of 1.5 to create a new sphere, so the radius of new sphere is R=1.5r.

The volume of the sphere can be calculated using formula

$V=\dfrac{4}{3}\pi r^3$

Hence,

$V_{old}=\dfrac{4}{3}\pi r^3\\ \\V_{new}=\dfrac{4}{3}\pi R^3=\dfrac{4}{3}\pi (1.5r)^3\\ \\\dfrac{V_{new}}{V_{old}}=\dfrac{\dfrac{4}{3}\pi (1.5r)^3}{\dfrac{4}{3}\pi r^3}=1.5^3=3.375$

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2 years ago

4-3x > 2x -1 what does it need to be to be greater or less than I guess

Gre4nikov [31]

There are probably mutliple solutions to this but heres one I found

x=0

_____________
EXPLANTION

4-3(0) > 2(0)-1

4-0 > 0-1

4 > -1

3 0

3 years ago

Find the slope of the line that passes through the points (1, 7) and (3, 3).

Alenkasestr [34]

Answer:

Slope of the line that passes through the points (1, 7) and (3, 3) = -2

Step-by-step explanation:

Given in the question two co-ordinates,

(1, 7)

(3, 3)

here x1 = 1

x2 = 3

y1 = 7

y2 = 3

Formula to use

m = $\frac{y2 - y1}{x2 - x1}$

= $\frac{3-7}{3-1}$

= -4/2

= -2

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2 years ago

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Sloan [31]

Answer:

Step-by-step explanation:

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That is correct. On APEX its C. g(x)= 1/3 |x|

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2 years ago