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Maurinko [17]
4 years ago
12

In a group of 85 people how many people would you expect towear glasses or contact lenses?

Mathematics
1 answer:
hammer [34]4 years ago
7 0

Answer:

At least one fourth of the people so 21.25 people.

Step-by-step explanation:


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I don’t understand how to do it I’m ver confused
VMariaS [17]

If the green suitcase is 36 pounds and the other suitcase is 10 pounds lighter than 3/4 just find what 3/4 is and subtract 10. Then you have the weight of the Blue suitcase. So the suitcase is 17 pounds. B=3/4G -10 but G =36 so B= 3/4 •36 -10 for the total just add. One is 36. One is 17. 53 pounds for both

4 0
3 years ago
Which function describes the arithmetic sequence shown -5,-7,-9,-11,-13
oksano4ka [1.4K]

Answer:

n(x)=x-2

Step-by-step explanation:

You can notice that between each of the arithmetic sequence there is a addition of 2. So we know that to add a 2 to get the next value. We can write it as n(x) where n is a function where x is the number:

  • n is the function and x repersent the number which is given
  • We can write this function as: n(x)=x-2
  • So if we input x = -5 we will get -7. If we input -11 we get -13.

4 0
2 years ago
A $30,000 car depreciates in value 12% a year. How much will the car he worth in 5 years?
Mice21 [21]

Answer:

The car will be worth $12,000

Explanation:

take away 12% each year

year 1: 26,400 (-12% from 30,000)

year 2: 22,800 (-24% from 30,000)

year 3: 18,600 (-36% from 30,000)

year 4: 15,600 (-48% from 30,000)

year 5: $12,000 (-60% from 30,000)

5 0
3 years ago
A traffic helicopter descends 167 meters to be 349 meters above the ground, as illustrated in the diagram to the right. Write an
morpeh [17]

Answer:

so ......when you write the equation for this question,

the original height (H) = current height + the decreased height

i.e.

H= 347m + 182m

H = 529 m

so the original height of the helicopter is 529 meters

Step-by-step explanation:

7 0
3 years ago
Hoang has worked as a nurse at Springfield General Hospital for 5 years longer than her friend Bill Two years ago she has been a
satela [25.4K]

Answer:

Hoang has been at the hospital for 12 years while Bill has worked for 7 years.

Step-by-step explanation:

Let the years Hoang has worked as a nurse equal h and let the years Bill has worked as a nurse equal b.

Since Hoang has worked 5 years longer, h is five more than b:

h = b + 5

Now we move onto the situation 2 years ago. 2 years ago, Hoang had worked at the hospital two less than h or h-2 years while Bill has worked for b-2 which is two years less than b. We are also told that at the time, Hoang worked twice as longs, so

h - 2 = 2(b - 2)

This can be simplified:

h - 2 = 2b - 4

h = 2b - 2

We can use substitution. Since h = b + 5 and h = 2b - 2,

b + 5 = 2b - 2

b = 7

Therefore, since Hoang has worked five more years, h = 12. So, Hoang has been at the hospital for 12 years while Bill has worked for 7 years.

3 0
2 years ago
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