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stiks02 [169]
2 years ago
8

I dont know why it says im in high school im in middle school. But anyways can someone please explain how to get percentage.

Mathematics
2 answers:
DiKsa [7]2 years ago
7 0

Answer:

how to get a percentage from a decimal is when you take the decimal point and move it twice to the left

Step-by-step explanation:

for example

.07 = 7%

does that make sense?

tigry1 [53]2 years ago
6 0

Answer:

Step-by-step explanation:

To change a decimal into a percent you multiply by 100.

If there is a fraction that you need to convert into a percent. Completely divide the fraction. 4/5 = 0.8 then multiply by 100 you get 80%. This means that 4 is 80% of 5

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PLZ HELP ITS DUE TOMORROW ​
Dimas [21]

Answer: False false true

Step-by-step explanation:

5 0
3 years ago
Round 21 to the nearest hundreds?
evablogger [386]
When you think about it, 21 is closest to 100.
This is the nearest hundred. 

Hope this helps!
5 0
2 years ago
Plz Help me!!!<br> will mark brainliest!!
Ksju [112]

Answer:

3x² * (6x² + 4x - 8) = 18x⁴ + 12x³ - 24x²

2x * (9x³ + 6x² - 12x) = 18x⁴ + 12x³ - 24x²

x² * (18x² + 12x - 24) = 18x⁴ + 12x³ - 24x²

6x² * (3x² + 2x - 4) = 18x⁴ + 12x³ - 24x²

Step-by-step explanatation:

Let's set unknown variables as y (and y₁, y₂, etc)

Question 1:

y *  (6x² + 4x - 8) = 18x⁴ + 12x³ - 24x²

So, divide both sides by (6x² + 4x - 8)

y = 3x²

Question 2:

2x * (9x^y₁ + y₂*x^y₃ - y₄*x) = 18x⁴ + 12x³ - 24x² '

Divide both sides by 2x.

(9x^y₁ + y₂*x^y₃ - y₄*x) = 9x³ + 6x² -12x

y₁ = 3, y₂ = 6, y₃ = 2, y₄ = 12

Question 3:

x^y * (18x² + 12x - 24) = 18x⁴ + 12x³ - 24x²

Divide both sides by (18x² + 12x - 24)

x^y = x²

Question 4:

y₁  * x^y₂ * (3x² + 2x - 4) = 18x⁴ + 12x³ - 24x²

Divide both sides by (3x² + 2x - 4)

y₁  * x^y₂ = 6x²

y₁ = 6, y₂ = 2

I hope this helps! Feel free to ask any questions!

6 0
3 years ago
60 = x^2 + 4x<br> Sixty equals x squared plus four times x.
ss7ja [257]

Answer:

Solve by moving 60 to the right. Then factor to get x=-10 or 6.

8 0
3 years ago
During a sale at the bookstore,books sold for $3 and magazines sold for $2.50.Jan spent $16 and bought a total of 6 books and ma
quester [9]

<span>If you would like to know how many of each did Jan buy, you can calculate this using the following two equations:

b ... the number of books
m ... the number of magazines

$16 = b * $3 + m * $2.50 ... 16 = 3 * b + 2.50 * m
b + m = 6 ... b = 6 - m
__________________
</span>16 = 3 * b + 2.50 * m

<span>16 = 3 * (6 - m) + 2.50 * m</span>

16 = 3 * 6 - 3 * m + 2.50 * m

16 - 18 = - 3 * m + 2.50 * m

- 2 = - 0.50 * m     /0.50

m = 2 / 0.50

m = 4 magazines 

<span>b = 6 - m = 6 - 4 = 2 books</span>

Result: Jan bought 4 magazines and 2 books.

3 0
3 years ago
Read 2 more answers
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