Which shows sets to which the number on the number line belongs

Mathematics

2 answers:

adoni [48]2 years ago

6 0

Integer,Irrational is the answer

riadik2000 [5.3K]2 years ago

6 0

Irrational integer on number line belongs to on the set of numbers

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Please help, this will just take a minute of your time ❤︎ (literally)<br>(Discriminant Worksheet)

igomit [66]

Answer:

$\large\boxed{x=-\dfrac{7-\sqrt{97}}{4}\ \vee\ x=-\dfrac{7+\sqrt{97}}{4}}$

Step-by-step explanation:

$ax^2+bx+c=0\\\\\Delta=b^2-4ac\\\\\text{if}\ \Delta0,\ \text{then an equation has two solutions:}\ x=\dfrac{-b\pm\sqrt\Delta}{2a}\\\\\text{We have:}\\\\-2x^2-7x+10=4\qquad\text{subtract 4 from both sides}\\\\-2x^2-7x+6=0$

$a=-2,\ b=-7,\ c=6\\\\\Delta=(-7)^2-4(-2)(6)=49+48=97>0\\\\\sqrt\Delta=\sqrt{97}\\\\x=\dfrac{-(-7)\pm\sqrt{97}}{2(-2)}=\dfrac{7\pm\sqrt{97}}{-4}=-\dfrac{7\pm\sqrt{97}}{4}$

6 0

3 years ago

Simple math

Artist 52 [7]

Paper clip. a paper clip would be about the size of her thumb so she would be able to use. for example, her thumb is 2 paperclips long. therefore the answer would be paperclip.
give me brainliest :D

3 0

2 years ago

What is A number divided by two plus seven

sashaice [31]

Step-by-step explanation:

Let the number be x, then

$\frac{x}{2 + 7} \\ \frac{x}{9}$

7 0

2 years ago

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LenKa [72]

Answer:

Step-by-step explanation:

120 is the starting value, aka the price of the painting in 2014 before it is increased.

8 0

2 years ago

Given f(x)=x-7/3 solve for f^-1(4)

GrogVix [38]

I hope this hepls you

f⁻¹(x)=3x+7

f⁻¹(4)=3.4+7=19

8 0

3 years ago