MATHEMATICS MIDDLE SCHOOL

X + 3 + x - 8 + x = 55

Answers

Answer 1
Answer:

Answer:

x = 20

Step-by-step explanation:

Combine like terms

3x-5=55

Add the 4 on both sides

3x-5=55

   +5  +5

3x=60

Divide both sides by 3

x = 20
Answer 2
Answer: Here is the work and the answer to your question

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Choose Yes or No to tell whether the expression represents a 20% discount off the price of an item that originally cost d dollars.0.8d d – 0.2 d – 0.2d 1 – 0.2d
[(17-9)x(3x2)]÷2 find the value of the following expression
Can someone help me with this? its a relatively simple problem for extra credit in algebra 1.

Question is in the image.
Please help!

Answers

i think it might be 0.72 may be wrong 
4.5??????? when x is 1 y is 4.5 but im not sure

Water flowing from a faucet can fill 1/4 of a tank in 3 minutes. How long does it take to fill the tank completely with water?

Answers

it takes 12 minutes to fill the tank completely with water.
12 mins because 1/4 +3/4=4/4 so you do 3x4 =12 so the answer is 12 minutes

Which expression can be used to find 15% of 20?

Answers

Answer:

Expression:  0.15 * 20

Equation: 0.15 * 20 = 3

Step-by-step explanation:

This expression was found by dividing 15% by 100 to convert it into a decimal (0.15) that can be used to multiply with 20 to get your answer.

Answer:

0.15 × 20

Step-by-step explanation:

I got it right on edge

Ted's company has received an order to print 10^6 pages. Ted's company has 100 machines, each of which can print 10^4 pages a day.Ted’s company can print  the 10^6 pages in how many days.In exponent form, this number of days can be represented as what.

Answers

It took 1 day for the teds company to print the 10⁶ pages, as per the given conditions.

What are equation models?

The equation model is defined as the model of the given situation in the form of an equation using variables and constants.

here,
Ted's company has received an order to print 10⁶ pages.

Ted's company has 100 machines,
Total pages can be printed by machines in one day,
= 100 ×10⁴
= 10⁶

Now,
Number of days to print 10⁶ pages,
= 10⁶ / 10⁶ = 1 day

Thus, it took 1 day for the teds company to print the 10⁶ pages, as per the given conditions.

Learn more about models here:

brainly.com/question/22591166

#SPJ6

Which algebraic expression is a polynomial?4x? - 3x + 2
6x2 + χ? - 5
8x2 + x
-2x +
Ο

Answers

\text{A polynomial must have multiple terms in its expression}\n\n\text{That means we could eliminate the last answer choice automatically}\n\n\text{There are different types of polynomials, in which you could see that}\n\text{there is a trinomial in one of the answer choices}\n\n\text{Your best answer choice would be the 2nd one:}\,\,6x^2+x+5\n\n\text{This is because there are different terms and there are multiple of them}

PLEASE HELP!!! (Look at the picture for problem) 5 The bank statement shows Mrs. Cook's account activity
for today. She wants to transfer 20% of her ending
balance into her savings account. Will she transfer more
than $100? If so, how much more?
Beginning Balance
Groceries
Direct Deposit
Gas
Utility Bill
Ending Balance
$618.06
$142.18
$348.75
$35.89
$181.49
Show your work.

Answers

Answer:

Yes. $165.262 more.

Step-by-step explanation:

If you add all of the bills up, then divide by 20%, you get $265.262. She will transfer more than $100.
165.262 more $ should be correct
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