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spayn [35]
3 years ago
11

???????????????????????????

Mathematics
1 answer:
FinnZ [79.3K]3 years ago
7 0

Answer:

y-(-20)=1(x-(-10))

Step-by-step explanation:

If you're really in college you should know this, but here's the explanation:

m= <u>-9-(-20)</u>

      1-(-10)

  = <u>11</u>

     11

m = 1

The equation is y-y^1=m(x-x^1)

Replace the y^1, m, and x^1 from the first point

You get y-(-20)=1(x-(-10))

Or simplify that into y+20=x+10

You can also simplify it more but I don't think you need that for that question

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Need help with this one​
Aloiza [94]

Answer:

At x intercept, x = 0

2.8(0)+5.7y+5.8=0

y=-5.8/5.7

=-1.02

At y intercept, y=0

2.8x+5.7(0)+5.8=0

x=-5.8/2.8

=-2.07

7 0
4 years ago
Read 2 more answers
Question: How did the Peloponnesian Wars help Macedonia take over Greece?
irina [24]

Answer:

Well the Peloponnesian War helped by the war being so grand and so many people died that the armies were weakened and that led to Macedonia (Phillip II and Alexander the Great) to overrule all of Greece.

I hope that helped

7 0
3 years ago
A small theater had 8 rows of 23 chairs each. Workers just removed 6 of these chairs. How many chairs are left?
horsena [70]

Answer:

178 chairs

Step-by-step explanation:

(something) rows of (something) columns always means to multiply. So, let's multiply 8 x 23:

8 × 23 = 184

Now, since the workers removed 6 of the chairs, there are 6 less chairs in the theater. Let's subtract 6 from 184 to get our final answer:

184 - 6 = 178

Hope this was helpful! Let me know if you have any other questions abou this problem. :)

5 0
3 years ago
Need help big time this is due at 11:59 please help ​
natita [175]

Answer:

D) 12

Step-by-step explanation:

7 + 4 + 1 = 12

Hope that helps!

<em>-scsb17hm</em>

4 0
3 years ago
Read 2 more answers
Find the y intercept. I already found the slope is 9.
jeka57 [31]

The slope-intercept form: y = mx + b

We have the slope m = 9, therefore: y = 9x + b.

Next. We have the table:

x | -5 | -2 | 1 | 3 | 4 |

y |-46|-19| 8 |26|35|

(1, 8) → x = 1, y = 8

substitute the values of x and y to the equation:

8 = 9(1) + b

8 = 9 + b |-9

b = -1

Answer: y = 9x - 1 → y-intercept is -1.

8 0
3 years ago
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