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IRISSAK [1]
4 years ago
9

How do i do this?????

Mathematics
1 answer:
ivanzaharov [21]4 years ago
8 0

To use brainly ,you post questions about homework help that you need and you help answer other people's questions. By helping other people, you earn points. Sometimes people are generous and give u more than 5 points which is the minimum. I hope this helps you out! :)

<h2>-CloutAnswers</h2>
You might be interested in
Jack is paid £2400 a month.
olga2289 [7]

Answer:

300+400+500=1200

Step-by-step explanation:

given total paid $2400

spend $1200 on a rent (half of his paid)

so rest he spend as a ratio of 3:4:5=1200

let x as a amount he using to pays rest of the bills so

3x+4x+5x=1200

12x=1200

x=1200/12

x=100

so he spends 3x=300

4x=400

5x=500

hope it helps you

mark as brain list

7 0
3 years ago
The proportion of junior executives leaving large manufacturing companies within three years is to be estimated within 3 percent
Leona [35]

Answer: 709

Step-by-step explanation:

The formulas we use to find the required sample size :-

1. n=(\dfrac{z^*\cdot \sigma}{E})^2

, where \sigma = population standard deviation,

E = Margin of error .

z* = Critical value

2. n=p(1-p)(\dfrac{z^*}{E})^2 , where p= prior estimate of population proportion.

3. If prior estimate of population proportion is unavailable , then we take p= 0.5 and the formula becomes

n=0.25(\dfrac{z^*}{E})^2

Given : Margin of error : E= 3% =0.03

Critical value for 95% confidence interval = z*= 1.96

A study conducted several years ago revealed that the percent of junior executives leaving within three years was 21%.

i.e. p=0.21

Then by formula 2., the required sample size will be :

n=0.21(1-0.21)(\dfrac{1.96}{0.03})^2

n=0.21(0.79)(65.3333)^2

n=(0.1659)(4268.44008889)\\\\ n=708.134933333\approx709 [Round to the next integer.]

Hence, the required sample size of junior executives should be studied = 709

4 0
4 years ago
What is the slope of the line?<br> Pls help ASAP
Masteriza [31]

Answer:

-4/5

Step-by-step explanation:

Slope of line = (y2 - y1) / (x2 - x1)

Two points on the line are (2,-3) and (-3,1)

Apply the formula

Slope = (1-(-3)) / (-3-2) = -4/5

:)

4 0
3 years ago
Give one real world example of rate to f change
hammer [34]

Answer:

1, A horse runs 27 miles per hour (distance traveled changes by 27 miles for each hour)

Step-by-step explanation:

hope it helps!

7 0
3 years ago
Number 23 please I need help
Y_Kistochka [10]

Answer:

A kite with a 100 foot-long string is caught in a tree. When the full length of the string is stretched in a straight line to the ground, it touches the ground a distance of 30 feet from the bottom of the tree. Find the measure of the angle between the kite string and the ground.

17°

27°

63°

73°

Step-by-step explanation:

8 0
4 years ago
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