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Marianna [84]
3 years ago
13

18 songs for 30 minutes unit rate as a fraction.

Mathematics
1 answer:
zhenek [66]3 years ago
8 0

Answer:

1.67 minutes per song

Step-by-step explanation:

<u> </u><u>3</u><u>0</u><u> </u><u>min</u><u>utes</u>

18 song

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if a, b, and c are prime numbers, do (a b) and c have a common factor that is greater than 1? (1) a, b, and c are all different
klio [65]

If a,b, and c are prime numbers, do (a*b) and c have a common factor that is greater than 1

(1) a,b, and c are all different prime numbers

(2) c≠2

1. Let's assume values of 1,3 and 5 to a, b, and c respectively

a b = 1*3 = 3

3 and 5 do not have any common factor aside 1

Let's assume values of 1,3 and 2 to a,b and c respectively

a *b = 1*3 = 3

3 and 2 does not have a common factor aside 1

2. c \neq 2

Let's assume values of 2,7 and 3 to a b and c response

a * b = 2 *7 = 14

14 and 3 does not have a common factor aside 1

learn more about of prime number here

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8 0
11 months ago
In terms of pie, what is the area of the circle?
murzikaleks [220]
The answer is D because it has the larger number and value. So that is the area of the circle.
3 0
2 years ago
Read 2 more answers
18 of the last 30 cars passed you were black. what is the probability the next car will be black?
Nutka1998 [239]
18/30 simplifies into 6/10 which then is put in decimal form of 0.6
7 0
3 years ago
A family has two cars. During one particular week, the first car consumed 15 gallons of gas. The two cars Drove a combined total
julia-pushkina [17]

Answer:

Car 1 : 40 miles per gallon

Car 2: 25 miles per gallon

Step-by-step explanation:

family has two cars. During one particular week, the first car consumed 15 gallons of gas. The second car consumed 25 gallons of gas. The two cars Drove a combined total of 1475 miles and the sum of their fuel efficiency was 65 miles per gallon. What were the fuel efficiency of each of the cars that week

Given that :

Fuel efficiency , car 1 = x

Fuel efficiency , car 2 = y

x + y = 65 - - (1)

15x + 35y = 1475 - - - (2)

x = 65 - y

15(65-y) + 35y

975 - 15y + 35y = 1475

20y = 14875 - 975

20y = 500

y = 25

Put y = 25 in (1)

x + y = 65

x + 25 = 65

x = 65 - 25

x = 40

6 0
2 years ago
Why is the percent increase from 45 to 75 not equal to the percent decrease from 75 to 45? Select three optio The amount of chan
shusha [124]

Answer:

2. The ratio of the percent increase is not the same as the percent decrease.

3. The ratio for the percent increase has a smaller denominator than the percent decrease.

5. The original amount for the percent increase is different from the original amount for the percent decrease.

Step-by-step explanation:

6 0
3 years ago
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