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Eddi Din [679]
3 years ago
9

3 = x - 8 I need this right now plz

Mathematics
2 answers:
Wewaii [24]3 years ago
5 0

Answer:

the value of (X) is actually 11

3=x-8

3+8=x(making x the subject)

11=x

Sloan [31]3 years ago
5 0

Answer: x=11  

Step-by-step explanation:

3=x-8 +8 +8 3+8=11

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in a school gym, the ratio of the number of boys to the number of girls was 4:3 . after 160 boys left the gym, the ratio became
Annette [7]

Answer:

300 girls were there in the gym.

Step-by-step explanation:

Given:

The ratio of the number of boys to the number of girls was 4:3, after 160 boys left the gym, the ratio became 4:5.

Now, to find the number of girls in the gym.

The girls in the gym does not left, their quantity is same before and after.

So, we multiply the both ratios to make the girls ratio same:

4:3 × 5 = 20:15

4:5 × 3 = 12:15

Now, <em>we find the units of the ratio</em>.

<em>The ratio of boys dropped down by 160</em>:

20 - 12 = 8 units.

160 = 8 units

Now, dividing both sides by 8 we get:

20 = 1 unit

So, 1 unit = 20.

Now, girls = 15 units

So, 15 × 20 = 300.

Therefore, 300 girls were there in the gym.

3 0
3 years ago
If f(x) = 3x and g(x)=2x, what is (g o f)(x)?<br> 5x<br> 5x2<br> 6x<br> 6x2
eduard

If you would like to solve (g ° f)(x), you can calculate this using the following steps:<span>

(g ° f)(x) = g(f(x))

(g ° f)(x) = g(f(x)) = g(3x) = 2 * 3x = 6x

<span>The correct result would be 6x.</span></span>

5 0
3 years ago
If I’m 24 in 1979 what year was I born in?
Elan Coil [88]

Answer:

1950

Step-by-step explanation:

If you were 24 in 1974, simply subtract 24 from 1974 to find what year you were born in:

1974-24= 1950

Of course, it may be +/- 1 depending on what month you were born in, and what month it is now!

<em>I hope this helps! :)</em>

8 0
3 years ago
g Jack is polling New Yorkers to determine what proportion of them want to legalize recreational marijuana. How many New Yorkers
wolverine [178]

Answer:

1006

Step-by-step explanation:

Take proportion, p = 62%

n = (Z² * pq) / M.E²

Margin error = 0.03

p = 62% = 0.62

q = 1 - p = 1 - 0.62 = 0.38

Zcritical at 95% = 1.96

n = (1.96² * (0.62*0.38)) / 0.03²

n = 0.90508096 / 0.0009

n = 1005.6455

n = 1006

Sample size = 1006

5 0
3 years ago
3pr - 4ps + 12qs - 9qr = ?​
aleksklad [387]
It cannot be simplified more than that. hope this helps!
4 0
3 years ago
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