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jeka57 [31]
3 years ago
14

rose playlist has 30 rock songs and 21 Country songs. what is the ratio of country songs to rock songs

Mathematics
2 answers:
NeX [460]3 years ago
6 0

Answer:

21:30

Step-by-step explanation:


Ierofanga [76]3 years ago
4 0

The answer is

7:10

3x7 is 21

3x10 is 30

^^ Hope this helps you love!

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Raj gets a 1.5 mile head start and runs at a rate of 4.5 miles per hour. Jacinda's progress is represented by a graph that goes
Alexxandr [17]
From the given ordered pair representing Jacinda's progress, her speed is equal to 10 miles per hour. Letting x be the time it takes for Jacinda to catch up with Raj, the total distance Raj would travel is 
                            1.5 + 4.5x
and Jacinda's total distance is 10x. Mathematically,
                                1.5 + 4.5x = 10x 
The value of x from the equation is 0.27 hours. Therefore, Jacinda needs to run 2.7 miles to catch up with Raj. 
6 0
3 years ago
Identify the a b and c values of the following quadratic expression 4x^2+5x=4
yarga [219]

A is the 4

B is the 5

and C is also 4.


A is always the number in front of x^2. B is always the number i front of the normal x, and C is the number that is on the other side of the equal sign!

6 0
2 years ago
Uma volta inteira na Terra corresponde a uma distância 2πr≅40.000 km. Se um satélite leva 85 minutos para dar uma volta completa
Shalnov [3]

Answer:

7.8. 10 ^ 3 m / s

Step-by-step explanation:

The computation of the average speed in m/s is shown below:

The average speed equation is

= ΔS ÷ Δt;

As We know that

an entire revolution would be40,000 km

and a satellite takes 85 minutes to complete a revolution,  

So,

ΔS = 40,000 km = 40,000,000 m

Δt = 85 min = 5 100 s

Now the average speed is

= 40 000 000 ÷ 5 ÷ 5 100

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= 7.8. 10 ^ 3 m / s

4 0
2 years ago
Which graph shows a negative rate of change for the interval 0 to 2 on the x-axis
Lena [83]

Answer:

-2

Step-by-step explanation:

3 0
3 years ago
Write an algebraic equation to solve for the triangle’s height. Area of the triangle =36.8 inches . Height is x and base is 4.6
Minchanka [31]
The formula to find the Height of a triangle when you have the Area and the base is H = 2 * A/b
if the Area is 36.8 then divide it by 4.6.  You get 8.  put 36.8 in calculator first, then 4.6 = 8
2 x 8 = 16...so the answer should be 16 inches.
2 is in the formula to multiply to the number you get after dividing the base into the Area.
16 Answer
3 0
3 years ago
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