7n+4n combine the like terms to create an equivalent expression

Answers

Answer 1
Answer:

Answer:

11n

Step-by-step explanation:

7n+4n   (factorize out n)

= n (7 + 4)

= n (11)

= 11n

Answer 2
Answer:

Answer:

11n

Step-by-step explanation:

Combining like terms just means adding together the numbers with the same variable. 7n and 4n both have an n attached, so you would add like normal to get 7n + 4n = 11n.


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Identify the number that is 9.5 units from 2 on a number line
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Based on information from the periodic table, what does this image represent? HE 4 Protons e 5 Neutrons = 2 Electrons A. A negatively charged beryllium ion B. A neutral boron atom C. A neutral beryllium atom D. A positively charged beryllium ion​

Select the correct answer
if g=8,what is the value of the expression g/2+3 ​

Answers

Answer:

7

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Step-by-step explanation:

Step 1: Define

g/2 + 3

g = 8

Step 2: Evaluate

  1. Substitute in g:                                                                                               8/2 + 3
  2. Divide:                                                                                                             4 + 3
  3. Add:                                                                                                                 7

Answer:

if g is equals to 8 therefore g/2 +3 will be expressed as 8/2 +3= whuch is equals to 4

Round 3.83991676655 to the nearest hundred-thousandth.

Answers

Rounding 3.83991676655 to nearest hundred =  3.83991677

Rounding 3.83991676655 to nearest -thousandth will result to 3.8399168  

Given, number to be rounded off 3.83991676655 .

Concept of rounding off:

When the digit after decimal is greater than 5 than it will be rounded up.

When the digit after decimal is less than 5 than it will be rounded down.

Number : 3.83991676655

Rounding number to nearest tenth = 3.8

Rounding number to nearest hundred = 3.83991677

Rounding number to nearest thousandth = 3.8399168

Know more about rounding off,

brainly.com/question/5566370

#SPJ3

Answer:

3.83992

Step-by-step explanation:

3.8399_676655

676655=1000000

3.83991+1000000=3.83992

Find the difference.
-7 - (-9)

Answers

Answer: The answer is 2.

Step-by-step explanation: If you have 2 minuses together, then that actually means a plus. -7+9 is 2.

Answer:

-7-(-9) a negative and a negative makes a positive so the new question will be -7+9 which should equal -16?

Luis is doing his math homework. He has 30 problems in all. After an hour, he only has 1/6 of those problems left. How many problems does he have left?

Answers

Answer:

\huge\boxed{5}

Step-by-step explanation:

Luis has 30 problems and after one hour, (1)/(6) of those problems are left. This means that the total number of problems left will be 30 \cdot (1)/(6).

Multiplying by a fraction is the same as dividing by a whole. The denominator of (1)/(6) is 6, so we can divide 30 by 6.

30 / 6 = 5

Hope this helped!

Answer: 25

Step-by-step explanation: 1/6 of 30 is 5, so 30 minus 5 equals 25.

Write a decimal that is less than 3.45 but greater than 3.0. helppp!

Answers

Answer:

any decimal between 3.0 and 3.45. You can,use 3.25 if u don't wanna think about it

Answer:There are mutipal answers but here’s one 3.1

Step-by-step explanation:

Solve for the missing variables
x=?
y=?

Answers

Answer:

x=70; y=55

Step-by-step explanation:

So with the triangle with x, you can tell that the triangle is an icoceles based on how 2 of it's sides are equal lengths.

And so, an icoseles traingle also has two of the same angles so you can say that

55+55+x=180

110+x=180

x=70

Now the triangle with y is also an isoceles, and you can see that there is a verticle angle pair.

So,

y+y+70=180

2y=110

y=55

and to double check,

55+55+70=180

110+70=180

180=180

Hope it helped!