MATHEMATICS MIDDLE SCHOOL

What is the solution to the equation?

x – 1.2 = 3.6

Answers

Answer 1
Answer: To solve this you would work backwards so 3.6+1.2 because the operation in the equation is subtraction. 3.6+1.2= 4.8. I hope this helped. :)
Answer 2
Answer: To solve you add both sides by 1.2. This cancels out the negative 1.2 and when you add 1.2 to 3.6 you get 4.8. Now you're equation should look like x=4.8. And that's pretty much it

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Ben bought 12 goldfish. Each goldfish costv$0.59. How much did Ben spend? _____

Eva opened a bank account. She deposited $68.40 into her account every month for 20 months. She used $42.40 every month to pay for craft classes. After 20 months, she used 1 over 2 of the total money left in her account to go to a crafting summer camp. What is the total amount of money Eva spent to go to the summer camp?

Answers

The amount of money that Eva spent to go to the summer camp is $260.

What is a number system?

The number system is a way to represent or express numbers.

Any of the multiple sets of symbols and the guidelines for utilizing them to represent numbers are included in the Number System.

As per the given,

Total deposits of money in bank = 68.40 x 20 = $1368

Total withdrawal of money = 42.40 x 20  = $848

Amount of money that was used in camp = (1368 - 848)/2 = $260.

Hence "Amount of money that Eva spent to go to the summer camp is $260".

For more about the number system,

brainly.com/question/22046046

#SPJ3
260$ its 68.40 - 42.40 x 20 divided b 2

find three consecutive integers such that the sum of the first and twice the second is equal to the third plus four​

Answers

Answer:

The three consecutive integers are 2,3,4

Step-by-step explanation:

Let the three consecutive integers be represented as x,x+1,x+2

As per the given condition, the sum of the first and twice the second integer is equal to the third integer plus 4.

Representing it in the form of an equation:

x + 2*(x+1) = (x+2) + 4

=> x + 2x + 2 = x+6

=> 3x + 2 = x + 6

=> (3x -x) = 6 - 2

=> 2x = 4

=> x = 4/2 = 2

So the three integers are 2,3,4

Verification: 2 + 2*3 = 8

                    4 + 4 = 8

So the requirement is satisfied by these integers.

Help find 50% of 2/3 of 0.12 and write the answer as a decimal

Answers

0.04
Think of it as 12 divided by 3. Which equals 4. 2/3 of 0.12 so 2 times 4 equals 8. In conclusion you must split it in half which is half of 8  which is 4. So your final answer is 0.04

Solve the system of equations using substitution.
y= 3/4x-7
4x- 6y=50

Answers

\begin{cases} y= (3 )/(4)x-7 \n 4x- 6y=50 \end{cases}\n \n\begin{cases} y= (3 )/(4)x-7 \n 4x- 6((3 )/(4)x-7)=50 \end{cases}\n \n\begin{cases} y= (3 )/(4)x-7 \n 4x- (9 )/(2)x+42=50 \end{cases}\n \n \begin{cases} y= (3 )/(4)x-7 \n 4x- 4(1 )/(2)x =50 -42\end{cases}

\begin{cases} y= (3 )/(4)x-7 \n - (1 )/(2)x =8 \ \ /*(-2)\end{cases}\n \n \begin{cases} y= (3 )/(4)*(-16)-7 \n x =-16\end{cases}\n \n \begin{cases} y= -12-7 \n x =-16\end{cases} \n \n\begin{cases} y= -19 \n x =-16\end{cases}
Y=3/4x-7
4x-6y=50

4x-6y=50
4x-6(3/4x-7)=50
4x-18/4x+42=50
-1/2x=8
x=-16

y=3/4(-16)-7
y=-12-7
y=-19

Ryan and Sarah are looking at cell phone plans. A group plan will cost $120.95 per month. An individual plan will cost $62.77 per month. Should Ryan and Sarah purchase a group plant or two individual plans? Justify your answer. How much money could they save?

Answers

this is easy
each month they either pay
120.95 per month for 2 people
or
62.77 per month per person or 62.77 time 2 people

so find which is greater: 120.95 or 62.77 times 2

find 62.77 times 2
we find that it is 125.54

125.54 is greater than 120.95
therefor it is less cost to buy a group plan
the could save 125.54-120.95=4.59


answers:
group plan
save $4.59
A group plan because on that one they will pay 120.95 and in a individual plan they will pay 125.54 so in a group plan you pay 4.59 dollars less so thats why a group plan is the best option

4 x 9 - 26 = 2 x 9 - 8
Please Help ME!!!!! I am stumped

Answers

BIDMAS first

4 x 9 = 36

36 - 26 = 10

To double check we do the other side

2 x 9 = 18

18 - 8 = 10

10 = 10
4x9=36 (Multiplication before Addition)
then,36-26 which is 10

On the other side, 2x9=18 (Multiplication before Addition)
and 18-8=10

=> 1st side= 2nd side
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