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Bas_tet [7]
4 years ago
13

Can someone please help?

Mathematics
2 answers:
olchik [2.2K]4 years ago
7 0

Answer:

Choice C is correct answer.

Step-by-step explanation:

Equation of line in slope-intercept form is:

y=mx+c where m is slope of line and c is y-intercept.

Slope is defined as steepness of a line and also called gradient.

y-intercept is a point on the line where value of x is zero.

From question statement ,we observe that

slope=m= 2/3

y-intercept at (0,-2) which means c=-2.

Putting the value of slope and y-intercept in slope-intercept form,we get

y=(2/3)x+(-2)

y=2/3x-2 which is the answer.


mel-nik [20]4 years ago
4 0

Answer:

C.  y = 2/3 x - 2.

Step-by-step explanation:

The general form of the slope-intercept equation of a line is y = mx + c where m = the slope and  (0. c) is the y-intercept.

We are given that the slope = 2/3 and the y intercept is at (0,-2) so our equation is y = 2/3 x - 2.

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If 3x + 5y = 42 and 9x +7y = 78, then x + y = ?
kumpel [21]
3x+5y=42

9x+7y=78

adding above equation

12x+12y=120

x+y=10
8 0
3 years ago
If the sum of four times a number and four less than three times a number is seventeen
NARA [144]

Answer:

13divided by 7

Step-by-step explanation:

4x + 3x - 4 = 17 \\ 7x - 4 = 17 \\ 7x = 17 - 4 \\ 7x = 13 \\  \frac{7x}{7}  =  \frac{13}{7 }  \\ x =  \frac{13}{7} or1 \times \frac{6}{7}

8 0
4 years ago
Please answer all questions I need help
Gwar [14]
For number 9 it's x+8= 14 and 7x=21
For number 10 the answer is that Beth is correct because the only number that could be replaced for x would be 2. There is no number besides 2 that you could put in the equation x+3=5 to get the answer 5.
3 0
3 years ago
7r + 2 - 3r = -2 plsss
KonstantinChe [14]

Answer:

Combine like terms

4r+2=-2

Subtract 2 from both sides

4r=-4

Divide 4 by from both sides

r=-1

8 0
3 years ago
Given linear function, y = -2/3X + 5 <br> What is the slope?
Vikki [24]

Answer:

The slope is -\frac{2}{3}.

Step-by-step explanation:

The equation is conveniently in slope-intercept form.

y=mx+b

m - slope

b - y-intercept

-2/3 is in m's spot, so it is the slope of the equation.

y=\boxed{m}x+b\\\\y=\boxed{-\frac{2}{3}}x+5

Hope this helps.

7 0
4 years ago
Read 2 more answers
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