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aliina [53]
3 years ago
10

Graph 3x + y = -2 .................................................

Mathematics
1 answer:
nikdorinn [45]3 years ago
7 0

9514 1404 393

Answer:

  see attached

Step-by-step explanation:

A graphing calculator does this very nicely.

__

The intercepts can be found by setting the other variable to zero and dividing by the coefficient of the variable of interest. This tells you the x-intercept is -2/3, and the y-intercept is -2/1 = -2. The y-intercept is conveniently on a grid point. To find other grid points on the line, it is convenient to choose integer values for x, then solve for y.

  y = -3x -2

Positive values for y will require negative values of x.

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Mary baked 30 cookies. Her family ate of them. Using D write an expression for the number of cookies that remained
Dahasolnce [82]

Answer:

30 divided by 2 = D

Step-by-step explanation:

None

8 0
3 years ago
Catalina needs to take a taxi ride into town. The taxi fare is a $2 flat rate plus $0.75 each mile. Catalina has only $12.50 to
daser333 [38]

Answer:

The answer to your question is: 14 miles

I think you forgot letter D = 14 miles.

Step-by-step explanation:

Data

Flat rate = $2.00

each mile = $0.75

Catalina has = $12.5

Process

Cost of miles without flat rate = 12.5 - 2

                                                 = $10.5

Number of miles she can travel = 10.5 / 0.75

                                                    = 14 miles

7 0
4 years ago
Scarlett is throwing a end of the year party for 2013
galben [10]

Answer:

7.5 pounds.

Step-by-step explanation:

the answer is 7.5 ponds because if each slider has 2 oz. then we can find the total number of oz. needed by multiplying by 60. This gets 120 oz that Scarlett needs in total. Since there are 16oz in a pound we divide 120 by 16 to find the number of pounds needed.

6 0
3 years ago
The graph of r = -10 cos θ has which of the following characteristics?
Ronch [10]

Step-by-step explanation:

If we convert

r =  - 10 \cos(x)

to a Cartesian equation,

{r}^{2}  =  - 10 r \: \cos(x)

{x}^{2}  +  {y}^{2}  =  - 10x

{x}^{2}  + 10x +  {y}^{2}  = 0

{x}^{2}  + 10x + 25 +  {y}^{2}  = 25

(x + 5) {}^{2}  +  {y}^{2}  = 25

So we have a circle with center (-5,0), with a diameter of 10.

8 0
2 years ago
Make g the subject of the formula <img src="https://tex.z-dn.net/?f=w%3D7-%5Csqrt%7Bg%7D" id="TexFormula1" title="w=7-\sqrt{g}"
dolphi86 [110]

Answer:

Step-by-step explanation:

\sqrt{g} = 7-w

(\sqrt{g} )^2 = (7-w)^2

g = (7-w)^2

3 0
3 years ago
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