What is the solution to the linear equation? 6k + 10.5 = 3k + 12 k = 0.5 k = 2 k = 7.3 k = 9

Answers

Answer 1
Answer: The solution is K=0.5
Answer 2
Answer: The solution is K = 0.5

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How many times does 72 go into 533

Answers

The answer is 7.40277777778

Solve the equation. Select all that apply.x^2= 121
A
x = 11
B. x=21
C. X = 61
D. x=-11
E. X=-21

Answers

Answer:

x = 11, x = -11

Step-by-step explanation:

I know this is kind of late but the two previous answers were wrong.

We have x² = 121. To find x, we need to get rid of the exponent, and to do this, we can take the square root of both sides:

√x² = √121

x = √121

You might think that x = 11 but remember, x can be negative as well because you can square negative numbers. Basically, every real number has two square roots - a positive and a negative one. So, the answer isn't just x = 11, it's also x = -11 because (-11)² = 121 as well.

Answer:

x=11

Step-by-step explanation:

jerome bought 2 postcards and received $1.35 in change in quarters and dimes. If he got coins back, how many of each coin did he get?

Answers

There are many possibilities

11 dimes and 1 quarter

6 dimes and 3 quarters

1 dime and 6 quarters

Much more...

Which fraction is represented by point A on the number line?

Answers

Answer:

- 1/3

Step-by-step explanation:

Answer:

The answer is - 1/3 .

Step-by-step explanation:

Tina solved an equation incorrectly, as shown below:Step 1: 8x = 24
Step 2: x = 24 − 8
Step 3: x = 16

Which statement best explains why Step 2 is incorrect in Tina's solution?

She did not divide 24 by 8.
She did not add 8 to 24.
She did not multiply 24 by 8.
She did not multiply 24 eight times.

Answers

Answer:  The correct statement is (A) She did not divide 24 by 8.

Step-by-step explanation:  Given that Tina solved an equation incorrectly, as shown below:

Step 1: 8x = 24

Step 2: x = 24 − 8

Step 3: x = 16.

We are to select the correct statement that best explains the reason behind Step 2 incorrect.

The correct steps of the solution are

\textup{Step 1: }8x=24\n\n\textup{Step 2: }x=(24)/(8)\n\n\textup{Step 1: }x=3.

Therefore, we see that in step 2, Tina should divide 24 by 8, which she did not do and got the incorrect answer.

Thus, the correct statement is (A). She did not divide 24 by 8.

8x = 24 \n \n x = (24)/(8) \ / \ divide \ by \ 8 \n \n x = 3 \ / \ simplify \n \n

Seeing the correct steps above, the mistake that Tina made was that she did not divide 24 by 8

A train ticket has a perimeter of 36centimeters and an area of 80 square
centimeters. What are the dimensions
of the ticket?
centimeters by
centimeters

Answers

Answer:8 cm by 10 cm

Step-by-step explanation:

8*2+10*2=36

8*10=80