Mathematics Middle School

What is the best classification of 0 in the real number system?

Answers

Answer 1

Answer:

Step-by-step explanation:

The 0 in the real number system goes into the most specific subset of real numbers we have, which is the whole numbers.  Whole numbers include the 0, and next is the less specific natural or counting numbers which do not include the 0. (Next comes the integers and after that rational numbers, each getting less specific as they radiate out from the center)

Related Questions

Find the value of the variables. 15 PTS!!

{-12 -w^2}
{  2k -81 }
=
{2f 3   }
{-14 3 }


I NEED YOUR HELP!! PLS! PLS!
This is a matrix question. There are only two matrices, just in case you dont know what the question is. Pls find the variable values.

Answers


So much better to have this illustration!!!

The 2 matrices are of the same size and shape. 

Thus, each element in one is = to the corresponding element of the other.

Thus, -12 in the first = 2k in the second.  k = -12/2 = -6.

And so on.

The factors of 24 and 40 using a t chart like this the first one is done I just need help with the rest

Answers

Factors of 24:
1x24
2x12
3x8
4x6



Factors of 40:
1x40
2x20
4x10
5x8

Answer:

Step-by-step explanation:

Factors of 24:

1x24

2x12

3x8

4x6

and.......

Factors of 40:

1x40

2x20

4x10

5x8

A pile of coins, consisting of nickels, dimes, and quarters, is worth $4.55. There are 4 more dimes than nickels and 3 quarters more than dimes. How many of each are there?

Answers

let: number of nickels = n then: number of dimes = n+4 and: number of quarters = (n+4)+3 = n+7 express total amount in cents $4.55 = 455 cents express total in cents by multiplying quantities of coins by value and adding them up. 455 = 5*n + 10*(n+4) + 25*(n+7) 455 = 5n + 10n + 40 + 25n + 175 240 = 40n n = 6 so number of nickels = 6. number of dimes = number of nickels + 4 = 6+4 =10 number of quarters = number of dimes + 3 = 10+3 = 13 There are 6 nickels, 10 dimes and 13 quarters.

let: number of nickels = n then: number of dimes = n+4 and: number of quarters = (n+4)+3 = n+7 express total amount in cents $4.55 = 455 cents express total in cents by multiplying quantities of coins by value and adding them up. 455 = 5*n + 10*(n+4) + 25*(n+7) 455 = 5n + 10n + 40 + 25n + 175 240 = 40n n = 6 so number of nickels = 6. number of dimes = number of nickels + 4 = 6+4 =10 number of quarters = number of dimes + 3 = 10+3 = 13 There are 6 nickels, 10 dimes and 13 quarters.

hey test was passed by 90% of the class if 27 students passed the test how many students were in the class?

Answers

so 1% is 2.7 so multiply it by 9 to get 24.3.
30 students were in the class

least to greatest 3/2,0.25,-3/4,-1.0

Answers

-1.0, -3/4, 0.25, 3/2


hope this helps :D
From least to greatest is -1.0,-3/4, .25, 3/2.

Solve for y=7x-3w for x

Answers

You would get that X equals 3w over 7 + y over 7

Lisa Richter deposited $5,000 at 4% compounded semiannually for three years. At the beginning of the fourth year, Lisa deposited $2,500. What would her balance be at the end of five years assuming she is still earning 4% compounded semiannually?
$5,131
$8,131
$8,800
$8,800.99
None of these

Answers

I suppose it is  the fourth one I'm sorry if I'm wrong

solve for t in scientific formula d=rt

Answers

The problem is: d=rt
you are solving for r

d=rt
--  --
t    t


you divide both sides by r, so your answer is:

d/t=r or r=d/t

I hope this helped! :))

(2n−9)−5(−2.4n+4) find the difference

Answers

Answer:

Simplified Expression: 14n - 29

Work

2n-9-5(-2.4n+4)

2n-9+12n-20

14n-9-20

12n-29

14n - 29

The difference as in the expression is; 14n - 29

To determine the difference;

We must first open the second parenthesis by multiplying through by its coefficient as follows;

5(−2.4n+4) = -12n +20.

Afterwards; we have;

(2n−9)−(-12n +20)

= 2n -9 + 12n -20

= 14n - 29

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3.2=15.75+3.2d;Find d

PLZ SHOW WORK AND THEN EXPLAIN

Answers

D= -3.921875 first you subtract 15.75 from 3.2 which is -12.55 then divide that by 3.2
3.2d + 15.75= 3.2
3.2. -15.75 -15.75
-----------
-12.55
------------
3.2d

d= -3.921875

You have to do the inverse operation, so you subtract 15.75 to 15.75 then you cross those out. Then you subtract 3.2 to 15.75 which equals -12.55. After that, you divide 3.2 to 3.2, cross those out, then divide -12.55 to 3.2 which equals -3.921875~

The graph shows the solution to which system of inequalities?
A) y < x + 1 and y < x - 3
B) y ≤ x + 1 and y > x - 3
C) y ≤ x + 1 and y ≤ x - 3
D) y ≤ x + 1 and y ≥ x - 3

Answers

The answer is B) y ≤ x + 1 and y > x - 3 . The graph shows TWO types of lines, a less than or equal to, and a greater than. B is the only answer with both of these lines.

Nendell saw at a diner if he bought one of each item and spent $7.50, how much did the drink cost

Answers

All together: 3x + 0.05 + x + x + 0.10 = 7.50 

 5x + 0.15 = 7.50 

5x = 7.35 

 x = 1.47 

1.47 +0.10=1.57

so, the drink costs 1.57 

Each drink costs $1.57

Based on the information given,the equation to solve the question will be:

3x + 0.05 + x + x + 0.10 = 7.50

Collect like terms

5x + 0.15 = 7.50

5x = 7.35

Divide both side by 5

5x/5 = 7.35/5

x = 1.47

Therefore, the cost of drink will be:

x + 0.10 = 1.47 + 0.10 = 1.57

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x+3(x+1)=103 please help me.

Answers

x+3(x+1)=103
is correct because wen simplified 
x+3(x+1)=103
x+3x+3 =103
4x+3     =103
4x-3          -3
4x         =100
4                 4   (divide)
x           =25

What is the result of converting 1500 yards into miles? Remember that 1 mile =1760 yards

Answers

1500 yards is 0.85 miles.

1500 yards = 0.8523 miles.

To convert 1500 yards into miles:

Given: 1 mile = 1760 yards

Divide 1500 yards by 1760 yards to find the equivalent in miles:

1500 yards ÷ 1760 yards = 0.8523 miles

hey I need these by 8am or I'm screwed,
[tex]34.4 \div 4[/tex]
which is greater 214.001 or 214.01

2.5x 10³

Answers

34.4 / 4 = 8.6 

The value 214.01 is greater.

2.5 x 10^3 = 2,500

1 M = 100 CM
2 M = 200 CM
3 M = 300 CM
4 M = 400 CM
5 M = 500 CM
6 M = 600 CM
7 M = 700 CM

If you want detailed explanations after you get done with your classes ill be glad to explain. Happy studying!

Mrs.James has 22 students in her class.Mr.Williams has 24 students in his class.how many students are I'm the two class?

Answers

Add 22 and 24 together
You get 46
Are i'm the two class?

-3+ac=c-4 solve for c please help me out

Answers

-3 +4  = c - ac  

1= c(1-a) 

c = 1/ (1-a) 

colise has 2 vases of flowers that each hold 10 red and 5 yellow roses. Michelle has the same total number of roses but in 3 vases . each vase has 6 red roses how many yellow roses is in each of michelles vase?

Answers

So each of Colise vases have 15 roses in them so she has a total of 30 roses 20 red and 10 yellow. Michelle also has 30 roses but he has three vases, each with 6 red roses, 6 x 3 is 18 and 30 - 18 is 12, 12/3 is 4 so Michelle would have 4 yellow roses in each of her vases.

-19=2w+9-6w

simplify your answer as much as possible.

w=___

Answers

Combine like terms:
-19 = -4w + 9
Additive property of equality:
-28 = -4w
Division property of equality:
w = 7


Hope this helps!
Hi there!

[tex]-19=2w+9-6w -19 =-4w + 9 Flip the equation -4w + 9 = -19 Subtract 9 form both sides -4w + 9 - 9 = -19 - 9 -4w = -28 Divide both sides by -4 to find w -4w/-4 = -28/-4 w = 7 [/tex]

Good luck!

What is the difference between px+q=r and p(x+q)=r

Answers

In the second equation, p distributes into both x and q, so 

p(x+q) = r

px + pq = r, while the first one is px + q = 4

hope this helps

What percent of 52 is 12? Round answer to the nearest tenth.

Answers

23.076 is 12 of 52 percent

What is the value of 1 + x ÷ 5, when x = 80?

Answers

I don't know, sorry bro. try www.maythway.com
80÷5=16
16+1= 17
The answer is 17, I hope this helps

what is the gcf of 378,132

Answers

First, find the prime factorization of both numbers.

378/2 = 189
189/3 = 63
63/3 = 21
21/3 = 7
7/7 1

378 = 2 * 3^3 * 7

132/2 = 66
66/2 = 33
33/3 = 11
11/11 = 1

132 = 2^2 * 3 * 11

For the GCF, choose the common factors with lower exponent.

378 = 2 * 3^3 * 7
132 = 2^2 * 3 * 11

From 2 and 2^2 choose 2.
From 3 and 3^2 choose 3.
7 and 11 are not common, so do not choose them.

GCF = 2 * 3 = 6

A square floor has 100 tiles. each tile is one square foot. what is the length of one side of the square floor?
A) 10 feet
B) 20 feet

Answers

Final answer:

The length of one side of the square floor is 10 feet because the square root of the total area (100 square feet) is 10.

Explanation:

The subject of this question involves understanding the properties of a square in geometry. In a square, all sides are equal. If the total area of the square floor is 100 square feet (since each tile is 1 square foot), you determine the length of a side by finding the square root of the total area. The square root of 100 is 10. So, each side of the floor is 10 feet long. Therefore, the correct answer is Option (A) 10 feet.

Learn more about Square Geometry here:

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What is the algebraic form of the verbal description below?
Fifteen added to the quotient of 8 and a number is 7.

Answers

8/n+15=7.
step one: 8 divided by n which is 8/n (eight over n)
step 2: add 15 then you get 8/n+15
step 3: is means equal so that how you get 8/n+15=
final step: 7 is after the word is so therefore it's your solution to the expression.

so your final answer comes out to be 8/n+15=7

Answer:

15=n÷3

I Hop This Helped :3

and im glad to help :)

Blake sold 52 tickets to the school play, and Jane sold 8 tickets. What is the ratio , in simplest form, of the number of tickets Jane sold to the number of tickets Blake sold?

Answers

The ratio is 2:13
It starts out as 8:52, but you can take a 4 out of both simplifying it to 2:13
8:52 if you scale it down it would make
4:26
2:13 hope this helped:)

7 meters 45cm =how many cm?

Answers

Are you adding subtracting multiplying or dividing?
7 meters -> 700 cm

7 meter + 45 centimeter =

700 cm + 45 cm =

745 cm

Find and intrepret the Slope

Answers

480 is the correct answer

which of the following is the equation of a line with a slope of -5/9 and passing through the point (9,6)

Answers

Given the slope and a point on the line, use the point-slope formula for the equation of a straight line.

y-6 = (-5/9)(x-9)

This can be put into other forms.  For example, 

             Multiplying all terms by 9 results in   9y - 54 = -5(x-9) = -5x + 45

             Solving for y:  9y - 54 = -5x + 45
                                          +54 =        +54
                                      ---------------------------
                                         9y = -5x + 99

Then y = (-5/9)x + 11.

Jaime has two fractio} , thns, 3/18 and 13/15 at he needs to compare. He knows he will not be able to tell which is bigger until they have been rewritten with the same denominator. Which of the following shows both of these fractions rewritten with their least common denominator?

Answers

3/18 = 15/90
13/15 =78/90
To rewrite it as the same denominator you have to find a number that they both go into. So 90 is the lowest number that both 18 and 15 go into. 18 x 5 is 90 and 15 x 6 is 90 so what you do to the denominator you have to do to the numerator. So then you do 3 x 5 which equals 15 and you have to do 13 x 6 which equals 78. So the equation would end up being with the two fractions 15/90 and 78/90.
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