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Neko [114]
3 years ago
14

WORTH 20 POINTS NEED ASAP

Mathematics
1 answer:
Papessa [141]3 years ago
5 0
Do you mind drawing it out first and it would help myself answer this
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Elevii clasei a IV-a au fost la patinoar. Stiind ca numarul baietilor reprezinta jumatate plus 3 din numarul copiilor si ca numa
Shalnov [3]

Step-by-step explanation:

Fie x numărul de copii

f = 10 =\:fete

b\:=\:\frac{x}{2}\:+\:3

f\:+\:b\:=\:x

10\:+\:\frac{x}{2}\:+\:3\:=\:x

20\:+\:x\:+\:6\:=\:2x

x\:=\:26\:copii\:au\:fost\:la\:patinoar

b=\frac{26}{2}+\:3

b\:=\:16\:baieti

7 0
3 years ago
The infant mortality rate is defined as the number of infant deaths per 1,000 live births. This rate is often used as an indicato
Basile [38]

(a)

Q1, the first quartile, 25th percentile, is greater than or equal to 1/4 of the points.  It's in the first bar so we can estimate Q1=5.   In reality the bar includes values from 0 to 9 or 10  (not clear which) and has around 37% of the points so we might estimate Q1 a bit higher as it's 2/3 of the points, say Q1=7.

The median is bigger than half the points.  First bar is 37%, next is 22%, so its about halfway in the second bar, median=15

Third bar is 11%, so 70% so far.  Four bar is 5%, so we're at the right end of the fourth bar for Q3, the third quartile, 75th percentile, say Q3=40

b

When the data is heavily skewed left like it is here, the median tends to be lower than the mean.  The 5% of the data from 80 to 120 averages around 100 so adds 5 to the mean, and 8% of the data from the 60 to 80 adds another 5.6, 15% of the data from 40 to 60 adds about 7.5, plus the rest, so the mean is gonna be way bigger than the median of around 15.

8 0
2 years ago
What Is The Prime Exponent Form Of 192​
Mandarinka [93]

Answer:

2^6 * 3

Step-by-step explanation:

3 0
2 years ago
All integers that are exactly divisible by 2 are called what?
ivann1987 [24]

Those are called "even numbers".

Also, I guess, "multiples of 2" .


4 0
3 years ago
Read 2 more answers
Scientists discovered that a new spider can grow 5 legs every year, n top of 4 legs it already starts with. Scientist used the f
REY [17]

The dependent Variable would be

D. 4

--------------------------------------

4 0
3 years ago
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