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Mumz [18]
3 years ago
12

Which set is closed under subtraction?

Mathematics
2 answers:
Genrish500 [490]3 years ago
6 0

Answer:

C. The set of rational numbers

Step-by-step explanation:

Don't listen to the other person. I trusted them and got the answer wrong. I just got the question and guessed the second time. I fortunately got the answer right. Good luck! :) <3

IRINA_888 [86]3 years ago
4 0

Answer:

C. the set of rational numbers

Step-by-step explanation:

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Worth 40 points with a brainliest if you have an explanation.
Ivenika [448]

Answer: 4,280

Step-by-step explanation:

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7 0
3 years ago
Please help!!
weqwewe [10]

Answer:

 The vertex of the parabola   = (-7 , -4)  

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given that the parabola  y = 4 x² + 56 x +192

                                 y = 4 (x² + 14 x + 48 )

                                 y = 4 ( x² + 2 ×  7 (x) + 49-1)

                                 y = 4 ( x² + 2 ×  7 (x) + 49)- 4

we apply the formula

(a +b)² = a² + 2ab + b²

                                y = 4 ( x + 7 )² - 4

<u>Step(ii):-</u>

<em>The general form of the parabola in algebraically</em>

<em>                               y = a ( x-h)² +k</em>

<em>The equation </em>

<em>                           y = 4 ( x + 7 )² - 4</em>

                          y = 4 ( x-(-7))² - 4

  The vertex of the parabola (h,k) = (-7 , -4)  

<u>Final answer:-</u>

The vertex of the parabola  = (-7 , -4)  

8 0
2 years ago
Question in attachment​
valkas [14]

Answer:

Hey Dude....

Step-by-step explanation:

This is ur answer.....

<h3><em>(a) Six</em></h3><h3><em>(a) Six(b) 120</em></h3><h3><em>(a) Six(b) 120(c) 720</em></h3>

Hope it helps!

Brainliest pls!

Follow me! :)

7 0
2 years ago
A contractor wants to replace the baseboard of a room whose length is 15 feet and width is 6 feet. How much will the baseboard c
fomenos

It will cost $18.

15*6=90

90/5=18

It will cost $18.

3 0
3 years ago
What is the vertex of the graph of y = x2 + 4x?<br> (–2, –12)<br> (–2, –8)<br> (–2, –6)<br> (–2, –4)
SCORPION-xisa [38]

Answer: The vertex of the parabola (quadratic function) is (-2,-4)

Fourth option: (-2,-4)


Solution:

y=x^2+4x

y=ax^2+bx+c; a=1, b=4, c=0

Vertex: V=(h,k)

h=-b/(2a)

h=-4/(2(1))

h=-4/2

h=-2

y=x^2+4x

k=y=h^2+4h

k=(-2)^2+4(-2)

k=4-8

k=-4

Vertex: V=(h,k)

Vertex: V=( -2, -4)



3 0
3 years ago
Read 2 more answers
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