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3 years ago

10

15 patients were discharged yesterday. 5 were hospitalized 4 days 6 were hospitalized 5 days and the rest were in for 2, 4, 8, 1

0. what was the average number of days for this group?

1 answer:

S_A_V [24]3 years ago

7 0

2+4+8+10=24

24 divided by 4 is 6

6

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A bag of marbles consists of 14 blue marbles and 7 red marbles. If you reach into the bag and choose 2 marbles,

julsineya [31]

Answer:

chances are 10.5

Step-by-step explanation:

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3 years ago

The ages (in years) of the students in two ballet classes are shown below.

inessss [21]

Answer:

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3 years ago

Y=x+1<br> y=x^2-1<br><br> please help i don't understand

ololo11 [35]

ANSWER

The solution is

$(x=1,y=2),(x=2,y=3)$

<u>EXPLANATION</u>

We have

$y=x+1---(1)$

and

$y=x^2-1---(2)$

Let us substitute equation (1) in to equation (2). This gives us,

$x+1=x^2-1(2)$

We rewrite this as a quadratic equation as the highest degree is 2.

$x^2-x-1-1=0$

This implies that

$x^2-x-2=0$

we factor to obtain,

$x^2+x-2x-2=0$

$x(x-1)-2(x-1)=0$

$(x-1)(x-2)=0$

This means,

$(x-1)=0\:\: or\:\:(x-2)=0$

$x=1\:\: or\:\:x=2$

We substitute this values into any of the above equations, preferably equation (1)

When, $x=1$ , $y=1+1=2$

When, $x=2$ , $y=2+1=3$

The solution is

$(1,2),(2,3)$

8 0

4 years ago

A landscaper planted one group of 30 trees and nine different city parks how many trees did he plant

soldier1979 [14.2K]

I would say 270 because : 30 times 9 is 270.

7 0

3 years ago

Last Sunday 1,575 people visited the amusement park 56% of the visitors were adults, 16% were teenagers, and 28% were children a

natulia [17]

<u>Answer:</u>

The number of adults, teenagers out of 1,575 people visited the amusement park are 882 adults and 252 teenagers

<u>Explanation:</u>

Total no of people who visited the amusement park= 1575

Percentage of adults=56%

Percentage of teenagers=16%

Percentage of 12 and under= 28%

Number of adults present= $\frac{56}{100}\times 1575$

=882

Number of teenagers present= $\frac{16}{100}\times 1575$

=252

Hence, 882 adults and 252 teenagers visited the amusement park

5 0

4 years ago