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MA_775_DIABLO [31]
3 years ago
10

\dfrac {15}k

Mathematics
2 answers:
Monica [59]3 years ago
8 0

Answer:

5

Step-by-step explanation:

Mars2501 [29]3 years ago
6 0

Answer:

Its 44

Step-by-step explanation: I got it from khan

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What is the hcf of 36 and 64?
nikdorinn [45]
Their HCF would be 4
8 0
3 years ago
There are 22 rows of seats on a concert hall: 23 seats are in the 1st row, 27 seats on the 2nd row, 31 seats on the 3rd row, and
JulijaS [17]
We can model this situation with an arithmetic series.
we have to find the number of all the seats, so we need to sum up the number of seats in all of the 22 rows.

1st row: 23
2nd row: 27
3rd row: 31
Notice how we are adding 4 each time.

So we have an arithmetic series with a first term of 23 and a common difference of 4.

We need to find the total number of seats. To do this, we use the formula for the sum of an arithmetic series (first n terms):

Sₙ = (n/2)(t₁ + tₙ)

where n is the term numbers, t₁ is the first term, tₙ is the nth term

We want to sum up to 22 terms, so we need to find the 22nd term

Formula for general term of an arithmetic sequence:

tₙ = t₁ + (n-1)d,

where t1 is the first term, n is the term number, d is the common difference. Since first term is 23 and common difference is 4, the general term for this situation is

tₙ = 23 + (n-1)(4)

The 22nd term, which is the 22nd row, is

t₂₂ = 23 + (22-1)(4) = 107

There are 107 seats in the 22nd row.

So we use the sum formula to find the total number of seats:

S₂₂ = (22/2)(23 + 107) = 1430 seats

Total of 1430 seats.
If all the seats are taken, then the total sale profit is

1430 * $29.99 = $42885.70
4 0
3 years ago
6) Parking lot A charges $19.00 to enter the parking lot plus $1.50 per hour
Olegator [25]

Answer:

4 Hours.

Step-by-step explanation:

You would set this up as an equality where x represent hours

19.00 + 1.50x = 14+2.75x

You then get the x on one side by subtracting 14 from both sides and 1.50x from both sides.

5 = 1.25x

Divide both sides by 1.25 to x by itself.

4 = x

5 0
3 years ago
Read 2 more answers
Simplify.<br> 19x - 7x + 25<br> The simplified expression is
Viktor [21]

Answer:

12x+25

Step-by-step explanation:

19x-7x+25=12x+25

8 0
3 years ago
I 4.027 less than, greater than, or equal to 4.0092?​
mr Goodwill [35]

Answer:

the answer is 4.027 and it is greater because 4.027 is 4.0270 and so it is 4.027

Step-by-step explanation:

7 0
3 years ago
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