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viva [34]
3 years ago
8

Without drawing the lines, state the gradient of the lines with the following equation y=2x+4

Mathematics
1 answer:
777dan777 [17]3 years ago
3 0

Answer:

gradient m is 2

Step-by-step explanation:

the equation is y=mx+c therefore m is 2.

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By convention, the independent variable is arrayed along the ____ in a scattergram. regression line calibration line vertical ax
babunello [35]

Answer:

Horizontal axis

Step-by-step explanation:

By convention, the independent variables is arrayed along the Horizontal axis (abscissa) in a scattergram.

The stcattergram has two dimensions

  • The X (independent) variable is arrayed along the horizontal axis.
  • The Y(dependent) variable is arrayed along the vertical axis.
  • Each dot scattergram is case in data set.
  • The dot is placed at the intersection cases scores on X and Y.
7 0
3 years ago
Factor and solve the problems in the photo ……….. pleaseeeee help i haven’t done algebra in 2 years
vladimir1956 [14]

Answer:

30. 2x²-x-1=0

or, 2x²-2x+x-1=0

or, 2x(x-1)+1(x-1)=0

or, (x-1)(2x+1)=0

so, x-1 = 0 or, x = 1

and 2x+1 = 0 or, 2x = -1 or, x = -1/2

so, x = 1 and 1/2

31. 3x²-14x=5

or, 3x²-14x-5=0

or, 3x²-15x+x-5=0

or, 3x(x-5)+1(x-5)=0

or, (x-5)(3x+1)=0

so, x-5=0 or, x=5

and 3x+1=0 or, 3x=-1 or, x=-1/3

so, x = 5 and -1/3

Answered by GAUTHMATH

5 0
3 years ago
I need help please I am putting a lot of points on it with dots show me a picture or just how many dots.
Goryan [66]

Answer:

2 in the hundred thousands, 2 in the thousands, 1 in the hundreds, 7 in the tens and 5 in the ones

Step-by-step explanation:

3 0
3 years ago
Is the number 144 rational or irrational?
Gelneren [198K]
The number 144 is rational because it can be expressed by 144/1
7 0
3 years ago
Read 2 more answers
If (fog)(x)=7x-1/3 and f(x)=3x+5,find g(x),where g(x)is linear<br>​
Svetach [21]

Answer: g(x) = \dfrac73x-\dfrac{16}{9}

Step-by-step explanation:

Given: (fog)(x)=7x-\dfrac13

f(x)=3x+5

and g(x) is linear.

A linear function is of the form : y= mx+c

Let g(x)= mx+c

Then, (fog)(x)=f(g(x))= f(mx+c)

= 3(mx+c)+5\\\\=3mx+3c+5

Comparing it with the original (fog)(x), we get

3mx+3c+5=7x-\dfrac{1}{3}

Comparing coefficient of x and constants separately

3m=7,\ \ \ \ 3c+5=-\dfrac13\\\\\Rightarrow\ m=\dfrac{7}{3},\ \ \ \ 3c =-\dfrac{1}{3}-5\\\\\Rightarrow\ m=\dfrac{7}{3},\ \ \ \ 3c =-\dfrac{16}{3}\\\\\Rightarrow\ m=\dfrac{7}{3},\ \ \ \ c =-\dfrac{16}{9}

So, g(x) = \dfrac73x-\dfrac{16}{9}

3 0
3 years ago
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