Mathematics Middle School


What is the value of 11−3m , when m = 2?

5
6
10
12

Answers

Answer 1
The answer is 5 because you multiply 2 by 3 and get 6. Then you do 11 minus 6 to get 5 The answer is the first one.

Answer 2
The answer is 5, because 3(2) would be 3 x 2

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.

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

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.

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

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

Answers

23.076 is 12 of 52 percent

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 :)

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.

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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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

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 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

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 y=7x-3w for x

Answers

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

50 POINTS FOR THE PERSON THAT ANSWERS CORRECTLY!!!!!!! Translate these coordinates 3 units to the right and then rotate 180 around the origin.

Answers

It’s easy it’s equals too 12

Jonah and his friends went to the movie theater. He bought a movie ticket, and he split the cost of a giant popcorn with his friends. Jonah's costs are represented by the expression 11+15x11+15x .

What do the different parts of the expression model?



Drag the parts of the expression into the boxes to match each description.


Cost of movie ticket Total cost of popcorn Jonah's portion of popcorn cost
15 x 15/x 11































Answers

Let

x--------> the number of friends

y-------->Jonah's costs

we know that

[tex]y=11+\frac{15}{x}[/tex]

where

The number of friends is -----------------------> [tex]x[/tex]

Cost of movie ticket is---------------------------> [tex]\$11[/tex]

Total cost of popcorn is-------------------------> [tex]\$15[/tex]

Jonah's portion of popcorn cost------------> [tex]\frac{\$15}{x}[/tex]

Answer:

Cost of movie ticket-----  1

Total cost of popcorn----- 15

Jonah's portion of popcorn cost------ 15/x

Step-by-step explanation:

The cost of the Jonah's costs are represented by the expression :

11+15\x

Now we have to match the expression to the explanation that they denote.

Let x be the number of friends among whom the pop-corn cost has to splitted.

As the total cost of popcorn is: 15

Hence, Jonah's portion of pop-corn is: 15/x

Also, he bought a movie ticket for 11.

Hence, the total cost that is paid by Jonah is: 11+15/x

Find and intrepret the Slope

Answers

480 is the correct answer

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.

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

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?

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.

-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!

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.

(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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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.

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 lollipop factory used 74.75 kilograms of sugar to make 2 batches of lollipops.how much sugar did the factory put in each batch? (Tape diagram)

Answers

Well find the unit rate so divide 74.75 by 2.
Answer: 37.375

Each batch of lollipops contains 37.375 kilograms of sugar.

Here, we have to represent the given information using a tape diagram, we'll draw two rectangles, each representing a batch of lollipops.

The total amount of sugar used, which is 74.75 kilograms, will be divided equally between the two batches.

Now, draw the tape diagram:

Batch 1: [----] (to be determined)

Batch 2: [----] (to be determined)

Now, we know that the total amount of sugar used is 74.75 kilograms.

We need to divide this amount equally between the two batches.

Since there are two batches, we can divide the total sugar by 2 to find the amount of sugar in each batch:

74.75 kilograms / 2 = 37.375 kilograms

So, each batch of lollipops contains 37.375 kilograms of sugar.

To learn more on division click:

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#SPJ5

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

Answers

-3 +4  = c - ac  

1= c(1-a) 

c = 1/ (1-a) 

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!

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:)
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