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Ronch [10]
3 years ago
12

11) slope and y-intercept, if the answer ignore this if you do know the answer than plz answer

Mathematics
2 answers:
makvit [3.9K]3 years ago
6 0

Answer:

Slope : -1

Y-intercept : (0,6)

Step-by-step explanation:

gayaneshka [121]3 years ago
6 0

Answer:

Slope: -1

y-intercept: 6

Step-by-step explanation:

Lets figure out the slope with the formula, \frac{y2 - y1}{x2-x1}. Take 2 coordinates and substitute them in. Lets take (-3,9) and (-1,7). Here are the steps:

\frac{7-9}{-1-(-3)}

\frac{-2}{-1+3}

\frac{-2}{2}

-1

Now we know that the slope is -1, so m = -1.

Lets figure out the y-intercept. We have to have an equation with the slope in it. Since we don't know the y-intercept yet, we will use the equation y = -x + b. Lets take the coordinate (5,1). Substitute the coordinates in. Here are the steps:

1 = -5 + b

b = 6

Now we know that the y-intercept is 6, so b = 6. I hope this helped!

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The figure shows the design of a greenhouse with a rectangular floor. The front and back sides of the greenhouse are semicircles
Ksju [112]

9514 1404 393

Answer:

  96 cubic feet

Step-by-step explanation:

A volume that is 16 ft by 18 ft by 1/3 ft will be ...

  V = LWH

  V = (16 ft)(18 ft)(1/3 ft) = 96 ft³

96 cubic feet of concrete are needed.

7 0
3 years ago
Determine the slope from the given graph below:
Greeley [361]

Step-by-step explanation:

the slope is the ratio of "y coordinate difference / x coordinate difference".

so, let's find 2 good points (I mean by that with integer coordinates). I see e.g.

(-1, -1) and (0, -7)

x changes by +1 (from -1 to 0).

y changes by -6 (from -1 to -7).

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D is the right answer.

8 0
2 years ago
What is the slope of the line on this graph?
Fantom [35]

Answer:

The slope of the line is 3.

Step-by-step explanation:

Using the rise over run rule, we are able to tell the slope is 3/1, which is just 3.

7 0
2 years ago
Read 2 more answers
2x + 3y = 7 3x + 2y = 8
Kipish [7]

Answer:

\boxed{\sf \ \ \ x=2, \ \ y =1 \ \ \ }

Step-by-step explanation:

Hello,

Pls post the full question next time so that we can make sure what is expected.

I assume that you want to solve for (x,y)

   (1) 2x + 3y = 7

   (2) 3x + 2y = 8

2*(2)-3*(1) gives

2*3x + 2*2y - 3*2x - 3*3y = 2*8 - 3*7 = 16 - 21 = -5

6x - 6x + 4y -9y = -5

-5y=-5

y = 1

and we can replace in (1)

2x + 3*1 = 7

2x = 7 - 3 = 4

x = 2

hope this helps

7 0
3 years ago
Simplify (2/3x3/5)-(3/4x1/6)​
ira [324]

Answer:

11/40

Step-by-step explanation:

2/5 − 3/4 (1/6)

2/5 − 1/8

= 11/40

4 0
3 years ago
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