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makvit [3.9K]
2 years ago
14

Nicolas has three fewer than twice the number of songs downloaded as Sabrina does. Interpret the meaning of the expression 2x –

3. The expression 2x – 3 represents The variable x represents
Mathematics
2 answers:
Setler79 [48]2 years ago
7 0
The x represents how many songs Sabrina has because if you are saying Nicolas has three less than twice as many as her then you are doubling the amount of songs Sabrina has and you're subtracting 3 from that to get how many songs Nicolas has. Let's say Sabrina has 29 songs. Now we are trying to find out how many songs Nicolas has. 2x-3. 2(29) - 3. 58-3. Nicolas has 55 songs if Sabrina were to have 29. I really hope this helped :)
tino4ka555 [31]2 years ago
7 0

Interpret the meaning of the expression 2x – 3. The expression 2x – 3 represents The variable x represents:

Answer;

<u><em>The expression 2x - 3 represents the number of songs downloaded by Nicolas.</em></u>

<u><em>The variable x represents the number of songs downloaded by Sabrina.</em></u><em> </em>

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Robin surveyed 5 students from the choirs of 4 different schools. He asked them how many hours they practice singing each day. S
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2 years ago
As an estimation we are told 5 miles is 8 km.<br>Convert 52 km to miles.​
11111nata11111 [884]

Answer:

83.2

Step-by-step explanation:

Given, 5 miles is 8km.  

So, 1 mile will be (8/5) km.  

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4 0
2 years ago
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tammy is 14 years old. she has a younger sister and an older brother. her sister is 12. the mean of all their ages is 14. how ol
mafiozo [28]

Answer:

16

Step-by-step explanation:

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7 0
3 years ago
6x+4y=42 -3x+3y=-6 by elimination
creativ13 [48]

Answer:

x=5, y=2

Step-by-step explanation:

To solve this system, we need to find x and y. First, let's find x. In the first equation (6x+4y=42), subtract 4y on both sides to isolate 6x. This will result in 6x=42-4y. Divide by 6 on both sides to isolate x and get x=7-\frac{2}{3}y. Now we know what x equals. Go to the second equation ad plug this into it. So instead of -3x+3y=-6, you'll have -3(7-\frac{2}{3}y)+3y=-6. Use the distributive property to get -21+2y+3y=-6. Add 2y and 3y to get -21+5y=-6. Add 21 to both sides to isolate 5y and get 5y=15. Divide by 5 on both sides to isolate y and get y=3. Now that we know that y=3, we can plug this back into the equation that was bolded above so that we can find x, so we'll have x=7-\frac{2}{3}(3) since y=3, and we'll get x=7-\frac{6}{3}, or x=7-2, or x=5.

x=5

y=2

6 0
3 years ago
Read 2 more answers
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