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rodikova [14]
3 years ago
7

What is the dependent and independent variable?and What is the (x) and (y) axis?

Mathematics
1 answer:
Nata [24]3 years ago
8 0

Answer:

and independent variable It is a variable that stands alone and isn't changed by the other variables you are trying to measure. For example, someone's age might be an independent variable. and a Just like an independent variable, a dependent variable is exactly what it sounds like. It is something that depends on other factors. For example, a test score could be a dependent variable because it could change depending on several factors such as how much you studied, how much sleep you got the night before you took the test, or even how hungry you were when you took it.

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Pic attached- If twice a number, n, is 5 less than three times the
Andrei [34K]

Answer: F: 2n = 3n - 5

Step-by-step explanation: Subtract 5 from 3n as 2n is 5 less than 3n.

7 0
3 years ago
Use substitution to solve the system of equations.<br><br><br> 28 = x – 7y<br> –3x + 9 =4y
Serggg [28]
The answer is (7,-3)
5 0
2 years ago
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Use technology to approximate the solution(s) to the system of equations to the nearest tenth of a unit.
Vikentia [17]

Answer:

(2.5, -1)

(-2.5, 1)

(-1, 2.5)

Step-by-step explanation:

7 0
3 years ago
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Car dealerships claim to make most of their money from servicing cars. In a certain month, an Acura dealership sold fifteen less
MA_775_DIABLO [31]

Answer:

New cars sold = 20,

Used cars sold = 25

Cars serviced = 290

Step-by-step explanation:

In a month they sold fifteen less used cars than twice the number of new cars.

Lets say 'x' number of new cars were sold, then:

The number of used car sold is:

2\times x-15=2x-15

In the same month they serviced fifty more than twelve times the number of new cars sold. So the number of cars serviced is:

12\times x+50=12x+50

Altogether they sold or serviced 335 cars, so the sum of all the cars sold and serviced should be 335:

x+(2x-15)+(12x+15)=335

Solving for 'x' we get:

x+2x+12x-15+50=335

15x+35=335

15x=335-35=300

x=\frac{300}{15}=20

Therefore, the number of new cars sold in that month is 20.

Number of used car sold =2x-15=2\times 20-15=40-15=25

Number of cars serviced =12\times x+50=12\times20+50=240+50=290

We can also cross check by summing them up:

290+25+20=335

8 0
3 years ago
What are the domain and range of the real-value function f(x) =-2+√x+7
stiks02 [169]

Because the function f(x) =-2+√x+7 has √x, x should be more or equal 0.

Domain is x≥0, or [0,+∞).

The smallest value of x=0, so the smallest value of f(x) is f(0) =-2+√0+7=5,

so range is f(x)≥5, or [5, +∞).

4 0
2 years ago
Read 2 more answers
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