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ruslelena [56]
3 years ago
12

20points. Find an equation for the linear graph.

Mathematics
2 answers:
Verizon [17]3 years ago
4 0
The equation is: C= 0.7x + 2
Aleks [24]3 years ago
3 0

Use the two endpoints to find the slope:

(0,2) and ( 5,5.5)

Slope = change in y over change in x:

Slope = (5.5-2)/(5-0) = 3.5/5 = 0.7

The y intercept is the y value when x is 0, which is 2

Equation: c = 0.7x + 2

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Find the slope of the line passing
Lana71 [14]
The slope of the line formula: \frac{y_2 - y_1}{x_2 - x_1}

Next, you would have to plug in the coordinates. 
\frac{6 - 2}{9 + 7}

Now, all you would have to do is solve and simplify it. 
\frac{6 - 2}{9 + 7}= \frac{4}{16} = \frac{1}{4}

The slope would be  \frac{1}{4}. 

I hope this helps!

4 0
3 years ago
An airplane flies 1920 miles in 3 hours. What is it’s average speed in miles per hour?
const2013 [10]

Answer:

640

Step-by-step explanation:

you just divide

3 0
3 years ago
___ can be found by making x=0
vfiekz [6]

Answer:

y intercept

Step-by-step explanation:

At first I didn't think there was enough information, but there is. In general terms, for any polynomial which is also a function, making x = 0 gives the point where (0,b) = the y intercept.

For example

using f(x) = x^2 + 4x + 6 when x = 0 the result left is f(0) = 6 so the y intercept is (0,6)

If you have x^2 + 6x the y intercept is (0,0)

4 0
3 years ago
If f(x) = 3x - 1 and g(x) = x + 2, find (f+g)(x).
kirill115 [55]

Answer:

\boxed {\boxed {\sf A. \ 4x+1}}

Step-by-step explanation:

We are asked to find (f+g)(x). The question is essentially asking us to find the sum of f(x) and g(x).

(f+g)(x)=f(x)+g(x)

We know that f(x) equals 3x-1 and g(x) equals x+2. Substitute the values of the functions in.

(f+g)(x)=(3x-1)+(x+2)

Combine the like terms.

  • 3x and x are like terms (both have the variable "x"
  • -1 and 2 are like terms (both without variables, also known as constants)

(f+g)(x)=(3x+x)+(-1+2)

(f+g)(x)=(4x)+(1)=4x+1

(f+g)(x) is equal to <u>4x+1</u> and the correct answer is A.

4 0
3 years ago
Read 2 more answers
A pair of ordinary dice is rolled. What is the probability that each die will show a number higher than 4. 1. (1/36) 2. (1/12) 3
mihalych1998 [28]

Answer:

the answer is 1/12

Step-by-step explanation:

it is 1/12 because if there are only a pair you would have 2 dice. and since each die has numbers all the way up to 6 all you have to do is add them. and don't count all the numbers. like add 1+2+3+4+5+6. that's just plain wrong just do add the highest number on each die (6+6)

8 0
3 years ago
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