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BaLLatris [955]
3 years ago
6

In class of 24 pupils, 4 need additional support ​

Mathematics
1 answer:
mojhsa [17]3 years ago
8 0

Answer:

1 out of ever PUPILS need support

Step-by-step explanation:

4/24=1/6

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Does anyone know how to do these? I don’t want the answers I need someone to explain how to do them so I can solve it. Thanks
ElenaW [278]

Hi! This type of equation is actully really simple to solve once you learn how so I'll only do a few and let you solve the rest.

To solve 3x + 6 = 18 you just need to remember that whatever action you do on one side of the equal sign you have to do on the other as well, and you just need to get the variable isolated on one side and the constant on the other.

So subtract 6 from both of the constants (6 and 18) to get to 3x = 12.

Then divide both sides by 3 to isolate x and you get x = 4.

To solve x/7 -9 = -7  you have to add 9 to both sides to get x/7 = 2. Then because it's a fraction with a denominator of 7 you multiply both sides by 7 to get x = 14.

To solve 8x - 2x = -36 you combine like terms to get 6x = -36 then divide both sides by 6 to get x = -6.

Hope this is what you were looking for and explained in an understandable way, if not I apologize. :)

5 0
3 years ago
In one day, the stock price for Zell Computers rose from $50 to $57 per share. By what percent did this stock price rise?
netineya [11]

The stock price rose by 14%

Percentage is the fraction of a sum expressed as a number out of hundred.

Percentage price increase = (change in price / initial price) x 100

In order to determine the answer, the following information is needed :

  • Change in stock price:

New price - Initial price

$57 - $50 = $7

  • Initial price = $50

Percentage increase in stock price : ($7 / $50) x 100 = 14%

In order to determine the percentage increase in the stock price, express the increase in price as a fraction of the initial price and multiply by 100

To learn more about percentages, please check: brainly.com/question/92258?referrer=searchResults

4 0
3 years ago
PLEASE HELP, ITS URGENT
Brums [2.3K]

Answer:

3x+.6y+12

Step-by-step explanation:

DIvide everything by -4:

-12x+2.4y-48

-12x/-4=12x/4=3x

2.4y/-4=-.6y

-48/-4=12

5 0
2 years ago
Read 2 more answers
What is the slope intercept of a line perpendicular to the line y=2x+3 with the point (-2,-4)
olchik [2.2K]

Answer:

y = - \frac{1}{2} x - 5

Step-by-step explanation:

the equation of a line in slope-intercept form is

y = mx + c ( m is the slope and c the y-intercept )

y = 2x + 3 is in this form with slope m = 2

given a line with slope m then the slope of a line perpendicular to it is

m_{perpendicular} = - \frac{1}{m} = - \frac{1}{2}

y = - \frac{1}{2} x + c ← is the partial equation

To find c substitute (- 2, - 4) into the partial equation

- 4 = 1 + c ⇒ c = - 4 - 1 = - 5

y = - \frac{1}{2} x - 5 ← equation of perpendicular line


4 0
3 years ago
What are the values of x for which the denominator is equal to zero for y = x+3/x²+4x
Arisa [49]

Answer:

hello

x² + 4 x = 0

x ( x + 2  ) = 0

x = 0  or   - 2

7 0
3 years ago
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