HELP THIS IS THE LAST ONE I HOPE..

Mathematics

2 answers:

saveliy_v [14]3 years ago

7 0

Your answer is either 11/3 or -11/3

Natalija [7]3 years ago

6 0

Answer:

FRACTION FORM: x = 33/2

MIXED NUMBER FORM: x = 16 and 1/2

DECIMAL FORM: x = 16.5

Step-by-step explanation:

(2x - 7) / 4 = (x + 3) / 3

First, lets get rid of those fractions by multiplying both sides by 4 x 3... (12)

6x - 21 = 4x + 12

Next, we have to get all x's on one side, and all regular numbers on the other.

- Add 21 to both sides (to remove -21 from the left side)

6x - 21 + 21 = 4x + 12 + 21

*simplify*.....

6x = 4x + 33

- Subtract 4x from both sides (to remove it from the right side)

6x - 4x = 4x + 33 - 4x

*simplify*.....

2x = 33

- Divide both sides by two (to get x by it's self)

FRACTION FORM: x = 33/2

MIXED NUMBER FORM: x = 16 and 1/2

DECIMAL FORM: x = 16.5

*Hope this helps! If you have any questions, please feel free to ask. Good luck!*

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Calculate the value of (6.72 10^5)+ (3.2 x 10^4) Give your answer in standard form.

dangina [55]

Answer:

$7.04\cdot 10^{5}$ or 704,000

Step-by-step explanation:

Standard Form of Numbers

Any number that we can write as a decimal number between 1.0 and 10.0, multiplied by a power of 10, is said to be in Scientific Notation. Some authors consider standard form and scientific form as the same, but others state that standard form is the common form of expressing numbers, i.e., a sequence of digits, separated by thousands by a comma, and separated from the decimal part by a dot.

We'll give here both answers.

We have to calculate:

$6.72\cdot 10^{5}+3.2\cdot 10^{4}$