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Kay [80]
3 years ago
6

A 15-minute TV program consists of one commercial of 1

Mathematics
2 answers:
Margarita [4]3 years ago
7 0

Answer:

6 7/8 minutes

Step-by-step explanation:

Say the entertainment segments are each x minutes long. Then, we have the equation:

x + x + 1 1/4 = 15

2x + 1 1/4 = 15

2x = 15 - 1 1/4

We need a common denominator. 1 1/4 = 5/4 and 15 = 60/4, so we now have:

60/4 - 5/4 = 55/4. Then: 2x = 55/4

Divide by 2 from both sides:

(55/4) / 2 = 55/8 = 6 7/8

Thus, each entertainment segment is 6 7/8 minutes long.

Hope this helps!

vichka [17]3 years ago
5 0

Answer:

6⅞ minutes

Step-by-step explanation:

15 - 1¼

60/4 - 5/4

55/4

Each segment:

55/4 ÷ 2

55/8

(48 + 7)/8

6 ⅞

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Daily compounding, you can gain more interest this way.
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2 years ago
Guys help ASAP! Is 2 a solution of 4x+12=4 complete the statement
Dimas [21]
The answer is “is not” hope this helps
8 0
3 years ago
3. At a bargain store, Tanya bought 4 items that each cost the same amount. Tony bought 5 items that each cost the same amount,
FinnZ [79.3K]

We'll do it in cents and convert when we have to.

Tanya paid x per item, a total of 4x.

Tony paid x-125 per item (in cents) for a total of 5(x-125)

4x = 5(x-125)

4x = 5x - 625

x = 625 = $6.25  

Check:

4(625) = 2500

5(625-125)=2500, same, checks

Answer: Tanya paid $6.25 per item, Tony $5.00 per item


6 0
3 years ago
Tim has a savings account with the bank. The bank pays him 5% per year. He has $5,900 and wonders when it will reach $6,500. Whe
OLga [1]

Answer:

If interest is calculated yearly, it will take Tim approximately 6 years

Step-by-step explanation:

For interest compounded continuously we use this formula

A = pe^rt

Where A = Amount in future ($5,300)

          P = Principal amount  ($5,000)

           r = interest rate (1% or 0.01)

           t = time

Now we put the values

5300 = 5000e(0.01)t

1.06 = Ve(0.01)t

㏑1.06 = 0.01t

t = ㏑(2) ÷ 0.01

t = 5.82 years rounded to 6 years

If interest is calculated yearly (simple interest)

n = ( 1.06-1 ) / 0.01 = 6 years.

If interest is calculated yearly, it will take Tim approximately 6 years.

<em>Source: brainly.com/question/8501594</em>

8 0
3 years ago
A circular plate has circumferrence 30.8 inches. What is the area of this plate ? Use 3.14 for π.
erastova [34]

Answer:

75.39 in^2

Step-by-step explanation:

circumference=2πr

30.8=2(3.14)r

30.8=6.28r

4.9=r

Now that we know the radius, we can plug it in for the area equation

area=πr^2

area=(3.14)(4.9)^2

area=(3.14)(24.01)

area=75.39 in^2

8 0
2 years ago
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