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vlabodo [156]
2 years ago
7

The room numbers of two adjacent classrooms are two consecutive even integers. If their sum is 654, find the classroom numbers.

Mathematics
1 answer:
IRINA_888 [86]2 years ago
4 0

Answer: It is 326 and 328.


Step-by-step explanation: We know that the numbers must be even and consecutive, so we can figure this problem out by trial and error. Divide 654 by two, and then keep going until you get the proper answer.

(Hope this helps :) )


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Last years sales at the drive in movie theater totol 144.600. This year's sales should increase by 1/3. how much should sales in
KATRIN_1 [288]
A] Given that the last years's sales was $144,600 and this years sales should increase by 1/3. Then:
i] Amount the sales should increased by will be:
(last year's sales)*(increase)
=144,600*(1/3)
=48,200

ii] The sales in the new year will be:
(last year's sales)+(increase)
=144600+48600
=$192, 800

2] Given that the sales of hifi which included 6% tax was 205,000. The actual sales was:
Actual percentage sales=100%
percentage sales after taxation=100-6=94%
thus the  actual sales was:
(100)/(94)*205,000
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3]Given that the rate per $100 is $0.83, and the insurance was for 90000, the insurance premium will be:
(total insurance) *(unit rate)/(number of units)
plugging the values we obtain:
90000*0.83/100
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6 0
2 years ago
Read 2 more answers
Harrison went out to buy coffee for his classmates. There are 23 students in his class, counting Harrison himself. Some wanted m
NemiM [27]

Step-by-step explanation:

Let's represent the number of mochas bought with the variable M, and the number of lattes bought with the variable L.

Since there are 23 students, the total number of mochas and lattes bought must be 23. This can be represented with the following equation:

M + L = 23

We can also set up another equation based on the total amount spent on the coffe:

4.30M + 3.50L = 87.70

If we rearrange the first equation, we can solve for M:

M = 23 - L

If we substitute this into the second equation, we can solve for L:

4.30(23 - L) + 3.50L = 87.70

98.9 - 4.3L + 3.5L = 87.7

98.9 - 0.8L = 87.7

0.8L = 11.2

L = 14

Subtituting this back into the original equation, we can solve for M:

M + L = 23

M + 14 = 23

M = 9

Therefore, 9 mochas and 14 lattes were bought.

3 0
3 years ago
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Please answer the 2 question <br> l will mark as brainiest
N76 [4]

Answer:

1. A=πr2=π·4.62≈66.4761

A≈66.48

2. A=πr2=π·22≈12.56637

A≈12.57

please mark as brainiest

3 0
2 years ago
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Use the graph to find the cost of 6 show tickets
larisa [96]

Answer:

B) 30

Step-by-step explanation:

bottom of graph represents number of tickets, look for 6 then go up till you hit the dot now go to the other side of the graph ( costs) and see which number the line hit which is 30

3 0
2 years ago
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Urgent!
AfilCa [17]

Answer:

The polynomial will be P(x) = - 5 (x + 2)²(x - 3)

Step-by-step explanation:

The degree of the polynomial P(x) is 3 and it has zeros at x = - 2 with multiplicity 2 and at x = 3 with multiplicity 1.

Therefore, (x + 2)² and (x - 3) are the factors of the equation.

Let the polynomial is

P(x) = a(x + 2)²(x - 3) ........... (1)

Now, the polynomial passes through the point (2,80).

So, from equation (1) we gat,

80 = a(4)²(-1)

⇒ a = - 5

Therefore, the polynomial will be P(x) = - 5 (x + 2)²(x - 3) (Answer)

6 0
3 years ago
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