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shtirl [24]
2 years ago
13

uppose you start at the origin, move along the x-axis a distance of 7 units in the positive direction, and then move downward al

ong the z-axis a distance of 6 units. What are the coordinates of your position
Mathematics
1 answer:
yan [13]2 years ago
6 0
(7, -6). This is because you are moving 7 to the right (in other words, ADDING 7 to the x value) and going DOWN 6 units on the y axis (subtracting from y value). Remember that the origin is (0, 0) and coordinates are represented as (x, y)
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X-5=11-3x solve for x
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4

Step-by-step explanation:

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--- ----

4 4

//x= 4//

// have a great day //

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3 years ago
Nancy and Mark commute to work, traveling in opposite directions. Nancy leaves the house at 7:00 A.M. And average 20 miles per h
vladimir2022 [97]

Answer:

They will be 170 miles apart at 10 AM

Step-by-step explanation:

Nancy has 15´ of  head start which is 1/4 hr.

NHD = 20*(1/4) = 5 miles is her head start

Mark leaves at 7.15hs = starting point

Marks stop at when they are 170 miles apart = t

------------------------------

t = the time they are 170 miles apart

d= distance in miles Nancy travels in time t

170 - (d+5) = distance in miles Mark travels in time t

------------------------------

Nancy's equation:

(1) d = 20t

Mark's equation:

(2) 170 - (d+5) = 40t

---------------------------

(2) 170-d-5=40t

(2) d+40t=165

Substitute (1) into (2)

(2) 20t+40t=165

(2) 60t=165

(2) t=2.75

7:15 AM + 2.75 hrs (2:45hs) = 10 AM

They are 170 miles apart at 10 AM

check:

(1) d=20t

(1) d=20*2.75

(1) d= 55

---------------

(2) 170 - (d+5) = 40t

(2) 170 - (d+5) = 40*2.75

(2) 170 - d-5 = 110

(2) d=55

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3 years ago
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10 * 2 = 20
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2 years ago
8 times the sum of n and 7
Lana71 [14]

Answer:

8(n+7)

Step-by-step explanation:

3 0
2 years ago
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