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Viktor [21]
3 years ago
8

What is the slope of the line that passes through the points (-9,8) and (-21,10)?

Mathematics
1 answer:
____ [38]3 years ago
4 0

Answer:

Step-by-step explanation:

(10 - 8)/(-21 + 9)= 12/-12= -1

y - 8 = -1(x + 9)

y - 8 = -x - 9

y = -x - 1

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18x2 + 10x = 0<br> please help no spam!
9966 [12]

Answer:

x= -5/9

That is the answer, try it.

4 0
2 years ago
I am confused on this.​
Ostrovityanka [42]
Straight lines are 180 degrees and angle BCD is 110 degrees, and also AB and CB are the same which means 180-110=70 and 70 divided by 2 is 45 degrees so m angle A =45 degrees and m angle B= 90 degrees and ACB is 45 degrees
5 0
2 years ago
Simplify each expression. <br> -10 (n+6)
sertanlavr [38]

Answer:

-10n - 60

Step-by-step explanation:

Use the distributive property to simplify [ a(b + c) = ab + ac ]

-10(n + 6)

(-10 * n) + (-10 * 6)

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Best of Luck!

4 0
3 years ago
Read 2 more answers
Simplify: (2x2 − 9x + 3) + (−7x2 + 4x − 2)
Leokris [45]
Combine like terms
2x^2 + -7x^2 = -5x^2
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3 + -2 = 1
put back together
-5x^2 - 5x +1
4 0
2 years ago
An item is regularly priced at 90$. Itis now priced at a discount of 30% off the regular price. What is the price now ?
frez [133]
If ur getting 30% off, then ur paying 70%
70% of 90...

0.7(90) = 63 <== discount price
8 0
3 years ago
Read 2 more answers
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