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leva [86]
3 years ago
15

3. Solve the following problems. Reminder: Keep track of when you are dealing with part-to-

Mathematics
1 answer:
DIA [1.3K]3 years ago
5 0

Answer:

Out of town teenagers = 30

Step-by-step explanation:

Given that,

Total number of teenagers at a swim meet = 50

Let there are 2x locals and 3x out of town participants. The ratio of locals to out-of-town  participants is 2:3.

ATQ,

2x+3x = 50

5x = 50

x = 10

Out of town teenagers = 3x

= 3(10)

= 30

Hence, there are 30 teenagers travelled from out-of-town to the swim  meet.

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A rectangle has an area of 18cm^2. The lengths of the sides are whole numbers. How long can each of the sides be? Give all the e
babymother [125]

Answer:

Area of rectangle = l x b

18 = l x b

Factors of 18 =

1 x 18 = 18

2 x 9 = 18

3 x 6 = 18

So each of the sides can be either 1cm and 18 cm, 2cm and 9cm and 3cm and 6cm.

6 0
3 years ago
Can someone please help with this and explain how you the answer, I'll mark you as brainliest
ki77a [65]

Answer:

7?

Step-by-step explanation:

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4 0
3 years ago
A new neighborhood activity complex is being built in erie. The perimeter of the rectangular playing field is 256 yards. The len
maw [93]

Answer:

The length of the rectangular playing field is 84 yards and the width is 44 yards

Step-by-step explanation:

Let

x ------> the length of the rectangular playing field

y -----> the width of the rectangular playing field

we know that

The perimeter of the rectangular playing field is equal to

P=2(x+y)

P=256\ yd

so

256=2(x+y) ------> equation A

we have that

x=2y-4 -----> equation B

Solve the system by substitution

Substitute equation B in equation A and solve for y

256=2(2y-4+y)

128=3y-4

3y=128+4

3y=132

y=44

Find the value of x

x=2(44)-4=84

therefore

The length of the rectangular playing field is 84 yards and the width is 44 yards

4 0
3 years ago
Identify whether the series is a convergent or divergent geometric series and find the sum, if possible. A) This is a convergent
Darya [45]
A divergent series is a type of series in which the ratio is too large and the summation is held from one to infinity. Hence, the sum could not be found out. A convergent series, on the other hand, has a definite answer because one could be the ratio is small and the lower and upper limits are defined not equal to infinity either positive or negative. 
7 0
3 years ago
Select the correct answer from each drop-down menu.
Mrrafil [7]

Using the classification for even and odd functions, it is found that the function is even, because f(-x) = f(x).

<h3>How we verify if the function is even, odd, or neither?</h3>

  • If for all values of x, f(x) = f(-x), the function is even.
  • If for all values of x, f(-x) = -f(x), the function is odd.
  • If neither of these statements are true, the function is neither even nor odd.

Graphing the function f(x) = 3x^4 - 5x^2, for every value of x, f(x) = -f(x), that is, the function is symmetric over the y-axis, hence it is even.

More can be learned about even and odd functions at brainly.com/question/5634052

#SPJ1

4 0
2 years ago
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