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Alekssandra [29.7K]
3 years ago
7

At an ice skating rink, there are 22 people who know how to ice skate and 18 people who do not know how to ice skate. What is th

e ratio of people who know how to ice skate to people who do not know how to ice skate?
Mathematics
2 answers:
yanalaym [24]3 years ago
8 0

Answer:

11:9

Step-by-step explanation:

Simply reduce the two numbers

22 over 18 is equivalent to 11 over 9 when you reduce by 2

VMariaS [17]3 years ago
7 0

Answer:

The ratio of people would be 22:18, 22 over 18, or 22 to 18.

Step-by-step explanation

With ratios, you would do the amount of people who know how to skate over the amount of people who don’t know how to skate.

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Evaluate the following expression 4×[1+(19+26)÷9]
KatRina [158]
I think it is 24...Im not sure tho
4 0
3 years ago
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360, 180, 120, 90, _, _<br><br> find the next two terms
Svetllana [295]

Answer:

the next terms would be 72 and 60

4 0
3 years ago
a marrow plants 0.5 m long. every week it grows by 20%. a find the value of the common ratio. b calculate how long the plant is
OLga [1]

Answer:

The common ratio is 1.2.

After 12 weeks the plant will be 4.46 meters long.

After one year the plant will be 6,552.32 meters long.

Step-by-step explanation:

Given that a marrow plants 0.5 m long and every week it grows by 20%, to find the value of the common ratio, calculate how long the plant is after 12 weeks and comment on the predicted length of the marrow after one year must be performed the following calculations:

0.50 x 1.2 ^ X = Y

Therefore, the common ratio is 1.2.

0.50 x 1.2 ^ 12 = Y

0.50 x 8.916 = Y

4.4580 = Y

Therefore, after 12 weeks the plant will be 4.46 meters long.

0.50 x 1.2 ^ 52 = Y

0.50 x 13,104.63 = Y

6,552.32 = Y

Therefore, after one year the plant will be 6,552.32 meters long.

5 0
3 years ago
PLEASE ANSWERRRRRRRRRRRRR
Sunny_sXe [5.5K]

Answer:

y = 23x-82

Step-by-step explanation:

The equation is written in the form y = mx+b

We need to find the slope

m = (y2-y1)/(x2-x1)

   = (79-56)/(7-6)

   = 23/1

The slope is 23

y= 23x +b

Put in a point for x and y to determine b

10 =23(4) +b

10 =92 +b

Subtract 92 from each side

10-92 = 92-92 +b

-82 =b

The equation is

y = 23x-82

3 0
3 years ago
Jason owns a small textile company that produces shirts. On a particular day, Jason has one worker come into the shop to make sh
Vesna [10]

Answer:

Variables:

x → The number of hours the worker worked

y → The number of shirts the worker made.

System fo equations:

\left \{ {{25x+1.75 y=270} \atop {y=5x}} \right.

Step-by-step explanation:

Let be x the number of hours the worker worked and y the number of shirts the worker made.

Since:

  • Jason must pay the worker $25 per hour (which can be represented with 25x).
  • He must pay $1.75 per shirt for material costs (which can be represented with 1.75y).
  • The total expenses were $270.

You can write the following equation:

25x+1.75 y=270

Knowing that the worker created an average of 5 shirts per hour, you can write the other equation:

y=5x

Therefore, with this equations you can set up the following system of equations, which could be used to determine the number of hours the worker worked and the number of shirts the worker made:

\left \{ {{25x+1.75 y=270} \atop {y=5x}} \right.

3 0
3 years ago
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