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disa [49]
3 years ago
11

A grid shows the positions of a subway stop and your house. The subway stop is located at (–9, 7) and your house is located at (

9, –2). What is the distance, to the nearest unit, between your house and the subway stop?
A.25
B. 20
C. 30
D. 17
Mathematics
1 answer:
miv72 [106K]3 years ago
8 0
For this case, the first thing you should do is use the distance between points formula.
 We have then:
 d = root ((x2-x1) ^ 2 + (y2-y1) ^ 2)
 Substituting we have:
 d = root ((9 - (- 9)) ^ 2 + (-2-7) ^ 2)
 d = 20.1246118
 Rounding off we have:
 d = 20 units
 Answer:
 
The distance, to the nearest unit, between your house and the subway stop is:
 
B. 20
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Nikki says that a number and its absolute
AVprozaik [17]

Answer:

The absolute value of any number will always be positive meaning that if you start with a positive number the sum of its absolute value will not be zero. Although if you start out with a negative number the sum of its absolute value will be zero.

Step-by-step explanation:

8 0
2 years ago
How do I solve for -31 -8r = -3(5r -6)
Dennis_Churaev [7]
Our current equation is:
-8r -31 = -3(5r -6)
To solve for this, we need to get r on one side of the equation and then simplify if needed.
On the right side of the equation, we have a pending Distributive Property, which is when you multiply the number/variable outside of the parenthesis by all numbers/variables in the parenthesis.
Let's simplify this Distributive Property to help understand our equation better.
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Multiply -3 by each number/variable separately (unless they are already being multiplied, like 2x, 1/2x, etc).
-3(5r) + -3(-6).
-3(5r) = -15r
-3(-6) = 18 (both negatives need to be in parenthesis to keep a product as negative, and if you do not multiply them in that way, you will end up with a positive product).
Your equation now is:
-8r -31 = -15r + 18
Add 15r to both sides to get r on one side.
7r -31 = 18 is now our current equation.
Add 31 to both sides to get 7r by itself.
7r = 49 is now our equation.
r is still being multiplied by 7, so we need to do the opposite of multiplying by 7.
Divide both sides by 7.
r = 7.
I hope this helps!
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3 years ago
9/10 + 9/100 + 9/1000 + 9/10000 + … =
Korvikt [17]

Answer: 0.9999

Step-by-step explanation:

4 0
3 years ago
Write the coordinates of the vertices after a reflection across the line x= -3
anzhelika [568]

(Please vote me Brainliest if this helped!)

  1. C' (-3, -6)
  2. D' (-3, 1)
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3 0
3 years ago
PLS HELP THIS IS DUE TODAY!!!!!! NO LINKS, NO STEALING POINTS, AND ONLY CORRECT ANSWERS OR YOU WILL BE REPORTED!!!!!!!
Mnenie [13.5K]
Should be A I’ll show you what I did though it might not make sense because I kind of did it in a weird way but yeah that answer should be A hope this helps :)
3 0
2 years ago
Read 2 more answers
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