Mathematics Middle School

Find an equivalent expression to represent the product shown as a sum.
a.Which expression is equivalent to 3(2x+4)?
A.6x+4
B.6x+12
C.5x+7
D.2x+12

Answers

Answer 1
3(2x + 4)

3 x 2x = 6x
3 x 4 = 12

6x + 12 is your answer

B is your answer

hope this helps
Answer 2
The answer is B 3*2x= 6x and 3*4=12.

Related Questions

Multiply. (−2/3)(5/4)

Answers

(-2/3)(5/4) = -10/12

-10/12 = -5/6  (if you want to simplify)

hope this helps

The answer is -5/6 or 10/12 not simplified

Isabelle bought 12 bottles of water at $2 each

Answers

Isabelle bought 4 bottles of water.

Here's how to solve for the number of bottles of water Isabelle bought:

Let x be the number of bottles of water Isabelle bought.

The total cost of the water bottles is 2x dollars (2 dollars per bottle * x bottles).

We know the total cost was $21, so we can set up an equation:

Total cost = Cost of water bottles + Cost of pizza

21 = 2x + 13

Now, solve for x:

Subtract 13 from both sides: 21 - 13 = 2x + 13 - 13

Simplify: 8 = 2x

Divide both sides by 2: 8 / 2 = 2x / 2

Get the final answer: x = 4

Therefore, Isabelle bought 4 bottles of water.

Complete question:

Isabelle buys bottles of water at $2 each and a large pizza at $13. The total cost was $21. How many bottles of water did Isabelle buy?

Which formula contains a rational number

Answers

b and c
cuz b is has 1/2, which is a fraction that can be placed as 1:2 ratio
cuz c is 4 and can be used as 4/1, which then can be placed as 4:1 ratio

Answer:

b

Step-by-step explanation:

most likely b and d

Mary sells lemonade, and she donates 10 cents from every cup she sells to charity. The cups of lemonade sell for 45 cents. One day she made $17.10. How much money did she give to charity that day? A) $1.60 B) $2.60 C) $3.20 D) $3.80

Answers

D is the answer because 17.10/.45=38 cups so 38*.10=3.80

Answer:

Its D.

Step-by-step explanation:

I just did it on USA TP

What is 8 ÷ 9 equal I don't get it when my couculator says 0.99999888888888888???!!!

Answers

  "8 ÷ 9 = 8/9" ;  (as a fraction).

Using a calculator:  "8÷9 =                                         "0.88888888888...." ;   or; there may be a value such as:
__________________________________

"0.8888888888888889" ; There may be a "9" at the end;  that is; the calculator may round the value at the end.  
_______________________________________
I suggest recalculating the value on your calcutator.

Please sure to "clear" your calculator.  Usually this can be done by pressing the [AC] button ;  & then.  the [C] or [CE] button.

Then, try:  "8 ÷ 9" again.  You should get value similar to the correct answer; such as: 
______________________
       "0.88888888888" ; 

or:  "0.8888888888888889" .
______________________
Otherwise, there is a possibility that the calculator itself is damaged or broken (e.g. got "stepped on" or "heavy objects" were placed; and the "calculator buttons"/other internal parts of the calculator were damaged and are now malfunctioning).
______________________
Hope this helps!
______________________ 

what is a equivalent name for 57

Answers

For this case we have the following number:

57

We can write this number in the form of a word.

Therefore, we are giving it a different name.

By writing the number in the form of a word we have:

57: fifty-seven

Answer:

An equivalent name for the number 57 is given by:

fifty seven

The equivalent name for [tex]57[/tex] is [tex]\boxed{\text{\bf Fifty seven}}[/tex] and [tex]\boxed{\bf LVII}[/tex].

Given:

The number is [tex]57[/tex].

Further Explanation:

The given number is in numeral form.

A numeral system is a system in which numbers are expressed.

The number is [tex]57[/tex].

The other way of writing the number is in words.

The numbers [tex]1,2,3,4,5,6,7,..[/tex] can be expressed in words as one, two, three, four, five, six, seven,...and so on.

The numbers [tex]11,12,13,14,15,16,..[/tex] can be expressed in words as eleven, twelve, thirteen, fourteen, fifteen, sixteen,... and so on.

The numbers after [tex]20[/tex] can be written as twenty one, [tex]32[/tex] as thirty two and so on.

Therefore, the number [tex]57[/tex] can be written as fifty seven.

The another way of writing the number [tex]57[/tex] is in Roman numerals.

The numbers [tex]1,2,3,4,5,6,7..[/tex] can be written in roman numbers as [tex]\bf I,II,III,IV,V,VI,VII..[/tex]

Therefore, the number [tex]57[/tex] can be written as [tex]\bf LVII[/tex].

Here, [tex]L[/tex] denotes the number [tex]50[/tex] and [tex]\bf VII[/tex] denotes the number [tex]7[/tex] in roman numerals.

Thus, the equivalent name for [tex]57[/tex] is [tex]\boxed{\text{\bf Fifty seven}}[/tex] and [tex]\boxed{\bf LVII}[/tex].

Learn more

1. Learn more about how to write in word form https://brainly.com/question/4725342.

2. Learn more about whole numbers are integers https://brainly.com/question/1852063.

Answer details:

Grade: Junior school

Subject: Mathematics

Chapter: Number system

Keywords: Number system, roman numbers, real numbers, natural numbers, even numbers, odd numbers, whole numbers, integers, decimal numbers, digits, rational numbers.

Cylinder with radius of 1.5. it holds 123 cubic inches of wax.How tall is it. I need to also know the formula how to get it.

Answers

See the formula, my friend:
                    V = [tex] \pi [/tex]r²h
                  or, 123 =[tex] \pi [/tex](1.5)²h
                  or, h = 123 ÷ (2.25[tex] \pi [/tex])
                  or, h = 17.40094044 

I would like to know how to solve 7 1/9 = 2 4/5 + m

Answers

It would be m=194/45
The answer would be 2

José correctly answered 80% of the questions on a language arts quiz. If he answered 16 questions correctly, how many questions were on the language arts quiz?

Answers

there were 20 questions on the quiz
Jose had 20 questions on his test

12 more than the quotient of a number t and 7 is v

Answers

12+(t÷7)=V is the answer

90=20+70 use the distributive property and the GCF of 20 and 70 to write another related expression for 90. Could you write another expression with a different common factor?

Answers

The GCF of 20 and 70 is 10
90=10(7+2) could be used as another related expression

-2(x+8)=4x+10 what is the solution set of the equation

Answers

Short answer : x = -13/3

But let's solve your equation step-by-step.

-2(x+8)=4x+10

Step 1: Simplify both sides of the equation.

(Distribute)

Step 2: Subtract 4x from both sides

Step 3: Add 16 to both sides.

Step 4: Divide both sides by -6.

Answer:

x = -13/3

if 15 baseballs weigh 75 ounces, how many baseballs weigh 15 ounces? Plz help me

Answers

75/15 = 5 (each ball weighs 5 ounces)

15/5 = 3 ( baseballs)

your answer is 3 baseballs 

hope this helps

What a number that never gets 1 when you divide 2 when Evan and 3x -1 when odd

Answers

any answer choices??

(02.02 LC) Choose the equation that could be used to find three consecutive integers whose sum is 36. (5 points) n + (n + 2) + (n + 4) = 36 n + (n + 1) + (n + 3) = 36 n + (n + 1) + (n + 2) = 36 n + (n − 1) + (n − 3) = 36

Answers

n + (n + 1) + (n + 2) = 36 Let's first create the equation ourselves and then see if it fits any of the available options. We want 3 consecutive integers that add up to 36. Let's use the value "n" to represent the first number in the sequence. n Now the next number will be n+1 and the third will be n+2. And since we want the sum, we get n + n + 1 + n + 2 = ? And finally, we want the sum to be 36, so our final equation is n + n + 1 + n + 2 = 36 With this equation in mind, let's look at the available choices. n + (n + 2) + (n + 4) = 36 Well, it has the 36 OK, but it has +2 and +4 where we have +1 and +2. So it won't fit and it's wrong. n + (n + 1) + (n + 3) = 36 Closer. Got the 36 and the +1. But it has +3 instead of +2, so not a fit either. n + (n + 1) + (n + 2) = 36 This looks good. Has a couple of extra parenthesis, but they don't affect the final answer and it has the +1, +2 and the 36. This one is correct. n + (n â’ 1) + (n â’ 3) = 36 Hmm. The n - 1 has a possibility. Perhaps they want n to be the middle of the 3 numbers to add. If that's the case, then the other number should be n+1 which it isn't. Maybe they want the n to be the last number. If that's the case, then the third number should be n-2. But that doesn't work either. So this equation won't work. So of the 4 choices, the only answer that works is "n + (n + 1) + (n + 2) = 36"

In July, the average temperature in one US city was 29°C. By December, the average temperature had fallen by 29°C. Explain why the average temperature in December was 0°C.

Answers

because if the temperature was 29 degrees in july and in december it was 29 degrees less than 29 then that would be zero because 29-29=0
The temperature went up 29°C, which represents a positive 29. Then the temperature fell 29°C, which represents a negative 29. The average temperature rose and fell the same amount. The absolute values are the same, so the difference is 0.

Dawn is an avid reader and reads 30 pages every 8 days. Part A How many pages per day does Dawn read? Part B At this rate, Dawn takes 28 days to read her favorite novel. How many pages does the novel have?

Answers

Final answer:

Dawn reads 3.75 pages per day. At this rate, a favorite novel that she completes in 28 days contains 105 pages.

Explanation:

This is a problem of rates and proportions.

Part A: To find out how many pages Dawn reads in a day, we divide the total pages she reads in 8 days by the number of days. Going by the data, if she reads 30 pages in 8 days, then, using the proportion, Dawn reads 30/8 = 3.75 pages per day.

Part B: To find out how many pages Dawn's favorite novel has, we multiply the rate (pages/day) by the number of days. So, if she takes 28 days to read the novel at a rate of 3.75 pages per day, then by using the multiplication principle, the novel has 3.75 pages/day * 28 days = 105 pages.

Learn more about Rates and Proportions here:

https://brainly.com/question/22513956

#SPJ12

Ana runs 3/4 miles in 6 minutes or 1/10 hour what is her stoped in miles per hour

Answers

3/4 divide 1/10
15/2=7.5m/hr

David's bowling score is 5 less than 3 times Aaron score the sum of the score is 215 find the score of each student

Answers

David's score is 160
Aaron's score is 55

Aarons score = x

Davids score = 3x-5

3x-5 +x = 215

4x-5 = 215

4x = 220

x = 220/4 = 55

Aarons score was 55

Davids score was 160

Jacki plans to pay for the down payment of a new car with her credit card. The annual interest rate for her credit card is 17%. The following expression represents the balance of the credit card, in dollars, after t years. 2,250(1.17)^t
Write an exponential expression in the form (b)c that reveals the monthly interest rate of Jacki's credit card. Round any decimals to the nearest thousandth.

Answers

Given that the annual interest rate of Jacki's credit card is 17%, then the exponential expression that reveals the monthly interest rate of Jacki's credit card is given by:

[tex]2,250\left(1+\frac{0.17}{12}\right)^{12t}=2,250(1+0.014)^{12t} \\ \\ =\bold{2,250(1.014)^{12t}}[/tex]

Answer:

[tex]A=2250(1.014)^{12t}[/tex] is the exponential expression.

Step-by-step explanation:

The expression which represents the balance of credit card, in dollars, after t years is

[tex]A=2250(1+\frac{0.17}{12})^{12t}[/tex]

Where rate of interest is 17% and amount spent is $2250.

Since 17% interest is the annual interest and we have done the expression in the form of monthly compounding.

So the expression will be

[tex]A=A_{0}[1+.014]^{12t}[/tex]

[tex]A=A_{0}(1.014)^{12t}[/tex]

[tex]A=2250(1.014)^{12t}[/tex]

Lindsey earns $33 per day at her part time job. Complete the table to show the total amount Lindsey earned

Answers

The formula would just be 33x where x is the number of days. So one day would be 33 multiplied times 1 to equal 33.  33(2)= 66, 33(3)=99, 33(4)=132 and so on.

Solve for x.
a(5 - x) = bx - 8

Answers

Consider the given equation:

[tex]a(5-x)=bx-8[/tex]

We have to solve the given equation for the value of 'x', we get

We will use distributive property which states [tex]a(b+c) = ab+ ac[/tex]

[tex](a \times 5)+(a \times -x) = bx-8[/tex]

[tex]5a-ax = bx -8[/tex]

Equating the like terms and the constants, we get

[tex]5a+8= ax+bx[/tex]

Taking 'x' common from the RHS of the equation.

[tex]5a+8 = x(a+b)[/tex]

[tex]x = \frac{5a+8}{a+b}[/tex]

Therefore, the value of 'x' is [tex]x = \frac{5a+8}{a+b}[/tex].

The value of 'x' in equation a(5 - x) = bx - 8 is x=5a+8/(b+a).

Consider the given equation

a(5-1)=bx-8

We have to solve the given equation for the value of 'x', we get

We will use distributive property which states

What is the statement of the distributive property?

a(b+c)=ab+ac

5a-ax=bx-8

Equating the like terms and the constants, we get

5a+8=bx+ax

Taking 'x' common from the RHS of the equation.

5a+8=x(b+a)

x=5a+8/(b+a)

Therefore, the value of 'x' is x=5a+8/(b+a).

To learn more about the equation visit:

https://brainly.com/question/2972832#SPJ3

What number has 2 more tens than 11?

Answers

Well I'd say it's any number before or after 11. Since it says 2 more tens it could be 31 by adding. You can also use algebra to help you.

Michael's team won 60% of the 10 football games they played this season they lost the remainder of the games. how many games did Michael team lose?

Answers

60% of 10 is 6. 10 minus 6 is 4. Your answer is 4.
Hope this helped! :)

Final answer:

To find out how many games Michael's team lost, we can calculate the number of games they won and subtract it from the total number of games played.

Explanation:

To find out how many games Michael's team lost, we first need to calculate the number of games they won. We know that they won 60% of the 10 games, so we can calculate this by multiplying 10 by 0.6: 10 x 0.6 = 6. Therefore, Michael's team won 6 games. Since they won the remainder of the games, we can calculate the number of games they lost by subtracting the number of games they won from the total number of games played: 10 - 6 = 4. Therefore, Michael's team lost 4 games.

Solve for variable c in this equation.

a(b - c) = d

A. c = ab - d / b

B. c = ab + d / a

C. c = d - ab / a

D. c = ab - d / a


Answers

Let's solve for c. Step by step.a(b−c)=dStep 1: Add -ab to both sides.ab−ac+−ab=d+−ab−ac=−ab+dStep 2: Divide both sides by -a.−ac−a=−ab+d−ac=ab−daAnswer:c=ab−d/a


Select from the drop-down menu to correctly complete the statement about the given figures.
Triangles PQR and MNO are ( here it has a drop down menu I'll include those options below)
Similar or not similar?


Two right triangles, PQR and MNO. For triangle PQR, angle Q is thirty degrees. For triangle MNO, angle N is forty-five degrees.

Answers

Given that the two trianglea are right angles, this means that one of the angles is 90 degrees.

If one on the angles of triangle PQR is 30 degrees, then the third angle will be 60 degres.

Thus, the three angles of triangle PQR are: 90, 30, 60

If one on the angles of triangle MNO is 45 degrees, then the third angle will be 45 degres.

Thus, the three angles of triangle MNO are: 90, 45, 45

For two triangles to be similar, their angles has to equal.

Therefore, triangles PQR and MNO are not similar.
The triangles are not similar. For triangle PQR to be similar to triangle MNO, each angle would have to be congruent. The two triangles only have a 90 degree angle in common. Triangle PQR has 90, 30, and 60 degree angles while triangle MNO has 90, 45, and 45 degree angles.

111111111111111111111111111111111111

Answers

The red and green trails.

2.75 + 1.2 = 3.95

3.95 < 4

2.75 + 1.2 = 3.95

 this is less than 4 so Red and Green

Help please solving this multiplication not sure.

Answers

4 x 5 = 20 , 1 x 5 = 5.
20 chew bones and 5 dog toys.
Chew bones
if he gives 4 per month then in 5  months you would solve 4 x 5 = 

Dog toy
if he gives 1 per month then in 5 months you would solve 1 x 5 =

let me know what you got for the answer

A piece of wood is 12 feet long and a nail is 3 inches long. The piece of wood is how many times as long as the nail?

Answers

the piece of wood is 48 times as long as the nail (12 feet = 144 inches) because 3 goes into 144 48 times.

Answer:

the answer is 48


Step-by-step explanation:


4x + 108 = 144 what is the value of x

Answers

Here is the correct answer.

4x + 108 = 144(equation)
     -108      -108 (Subtract 108 both sides)
4x = 36 (simplify)
/4      /4 (divide by 4)
x = 9 (Answer)

The answer is x = 9 : D

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