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yanalaym [24]
3 years ago
13

What are the rules for these problems?

Mathematics
1 answer:
Rudiy273 years ago
4 0
The answer to number 3 is -12 because you would do X times 4 and then add 8

the answer to number 4 is 46 because you would do X times 3 and then add 7
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What is the k?<br> 5/k = 15/20
myrzilka [38]

Answer:

Step-by-step explanation:

k=15/20*5

k= 75/20 or 3.75

fraction can also be  15/4 or 3 3/4

5 0
3 years ago
The area of a floor to be carpeted is 2700 square feet what is this area in square yards?
Cerrena [4.2K]
C 1yd^2 = 9ft^2 _____yd^2 = 2700ft^2 2700 / 9 = 300 yd^2
5 0
3 years ago
Read 2 more answers
A radar is designed to report the track of an aircraft every 2 seconds. If this radar reports 15 reports 15 tracks in one minute
meriva

Answer:

Step-by-step explanation:

Since radar reports 30 tracks in one minute in which 60 seconds makes 1 minute

Let calculate using this formula

Using this formula

Percentage of time=Tracks reported in minutes/60 seconds*100

Let plug in the formula

Percentage of time=30 tracks/60 seconds*100

Percentage of time=0.5*100

Percentage of time=50%

Inconclusion The percentage of the time that  radar track the aircraft is 50%

5 0
3 years ago
Read 2 more answers
Tell whether the blue figure is a reflection of the red figure.
valina [46]

Answer: Yes it is a reflection

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
The crime rate of a certain city is increasing by exactly 6% each year. If there were 550
kap26 [50]

Using an exponential function, it is found that the approximate number of crimes in the year of 2016 was of 2502.

<h3>What is an exponential function?</h3>

An increasing exponential function is modeled by:

A(t) = A(0)(1 + r)^t

In which:

  • A(0) is the initial value.
  • r is the growth rate, as a decimal.

In this problem, there were 550 crimes in the initial year observed, and the growth rate is of 6%, hence the parameters are A(0) = 550, r = 0.06, and the equation is given by:

A(t) = A(0)(1 + r)^t

A(t) = 550(1 + 0.06)^t

A(t) = 550(1.06)^t

2016 is 26 years after 1990, hence:

A(26) = 550(1.06)^{26} \approx 2502

The approximate number of crimes in the year of 2016 was of 2502.

More can be learned about exponential functions at brainly.com/question/25537936

8 0
3 years ago
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