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Alchen [17]
3 years ago
8

The cost of downloading songs from iTunes can be represented by the expression 1.29s, where s is the number

Mathematics
2 answers:
FromTheMoon [43]3 years ago
6 0
The answer is A trust me
krek1111 [17]3 years ago
5 0
Bro the answer is A. 3 songs trust me
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8) A school community had planned to reduce the number of grade 9 students per class room by constructing additional class rooms
Allisa [31]

Step-by-step explanation:

Let "c" be the original number of classrooms.

The 1200/c was the original number of students per classroom.

----

Equation:

1200/(c-4) = (1200/c)+10

Multiply thru by c(c-4)

---

1200c = 1200(c-4)+10c(c-4)

---

1200c = 1200c-4800 + 10c^2-40c

----

10c^2-40c-4800 = 0

c^2-4c-480 = 0

Factor:

(c-24)(c+20) = 0

---

Positive solution:

c = 24 (# of classrooms originaly planned)

7 0
2 years ago
HELPP MEE I will get five stars I will give brainly and I will give thanks<br><br> this is 30 points
sammy [17]

Answer:

3 galllon one is $8 because it is the only thing that you can multiply by 3 to get 24

The 4 gallon one is $9 because it is the only number that you can multiply by 4 to get 36

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
An airplane travels at a speed of 960 km/h how for can it travel in 1 hour
Marat540 [252]

Answer:

960 km

Step-by-step explanation:

Speed = Distance/Time.

From the question, we are to find the Distance.

The formula for Distance is given as:

Speed × Time.

From the question:

Speed = 960 km/hr

Time = 1 hour

Distance = 960 km/hr × 1 hour

Distance = 960 km

Therefore, the airplane can travel for 960km in 1 hour

7 0
2 years ago
2) Divide (8.6 x 108) by (3.2 x 103). Express your answer in scientific notation. <br> A) .26875 x 106 <br> <br> B) 2.6875 x 105
Naddik [55]
The answers B <span>2.6875 x 105 i took the test</span>
7 0
3 years ago
Consider ΔABC with its centroid at point E and median AD. What is the length of AE if AD = 30?
7nadin3 [17]

Answer:

10

Step-by-step explanation:

6 0
3 years ago
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