4 years ago

Which would NOT be found in the set of rational numbers? A. 5 B. 1/2 C. -12.5 D. 1.61803398874989484820

Mathematics

1 answer:

iragen [17]4 years ago

3 0

Answer:

Step-by-step explanation:

This is because rational numbers don't continue as a decimal infinitely

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Y_Kistochka [10]

I think the answer would be 2.05 because 6.15/3 is 2.05

4 0

3 years ago

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The points with coordinates (x, -1), (2,2), and (4,3) lie on the same line. What is the value of x?

borishaifa [10]

Find the slope of the line passing throught the points (2, 2) and (4, 3).

The formula of a slope:

$m=\dfrac{y_2-y_1}{x_2-x_1}$

Substitute:

$m=\dfrac{3-2}{4-2}=\dfrac{1}{2}$

If the point (x, -1) lie on the same line, then the slope of line passing through the points (2, 2) and (x, -1) the same:

Substitute:

$m=\dfrac{-1-2}{x-2}=\dfrac{-3}{x-2}$

We have the equation:

$\dfrac{-3}{x-2}=\dfrac{1}{2}$ <em>cross multiply</em>

$(1)(x-2)=(-3)(2)$

$x-2=-6$ <em>add 2 to both sides</em>

$x=-4$

<h3>Answer: x = -4.</h3>

7 0

3 years ago

PLEASE PLEASE PLEASE HELP.

ZanzabumX [31]

Answer:

Step-by-step explanation:

The quotient is the result of dividing x by 5

The expression is then

15 - $\frac{x}{5}$ → D

7 0

3 years ago

Can u get the steps to solving <br> -2(4)^2+4

svp [43]

(4)^2 must be done first.

That’ll give you 16. (4x4)

16 x -2= -32

-32+4= -28

8 0

3 years ago

Please help. Picture has the question.

valentina_108 [34]

A)
Triangle ABX
Height = 8m
Base = 26-11 m

Find length by AB^2 = 15^2 + 8^2

b) Find AC by using AB as Height and BC as base
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5 0

3 years ago

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Which would NOT be found in the set of rational numbers? A. 5 B. 1/2 C. -12.5 D. 1.61803398874989484820​

Which would NOT be found in the set of rational numbers? A. 5 B. 1/2 C. -12.5 D. 1.61803398874989484820