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butalik [34]
3 years ago
6

What is the answer to3k-8+2k

Mathematics
2 answers:
Sati [7]3 years ago
5 0
3k-8+2k 

(3k+2k)-8 

5k-8
miv72 [106K]3 years ago
3 0
Do this: 3k - 8 + 2k

Then: k - 8 = 0 (Subtract the K's from both sides)

Finally: k = 8 (Add the 8 from both sides)

Your answer would be "k = 8"
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Find the midpoint of the line segment connecting (1,1) and<br> (3,-3).
likoan [24]

Answer:

2,-1

Step-by-step explanation:

graph, find length between points (sqrt 20) and slope (-2). sqrt20/2=sqrt5.

change in y/change in x = -2, change in y squared + change in x squared= 5. solve system of equations to get x=1, y=-2, or x=-1, y=2. i think i did something wrong but the answer should be correct

8 0
3 years ago
Find the measurement
xenn [34]

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6z + 7  = 8z - 9

8z - 9 = 6z + 7

Add sides 9

8z - 9 + 9 = 6z + 7 + 9

8z = 6z + 16

Subtract sides 6z

- 6z + 8z =  - 6z + 6z + 16

2z = 16

Divide sides by 2

\frac{2z}{2}  =  \frac{16}{2}  \\

z = 8

Thus ;

NP = 8z - 9

NP = 8(8) - 9

NP = 64 - 9

NP = 64 - 4 - 5

NP = 60 - 5

NP = 55

Done...

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6 0
3 years ago
Eva has borrowed 200 songs from her friend. She plans to download an equal number of songs on her music player each week for 5 w
Alenkasestr [34]

PART A)

The rate of change is -40 songs each week, because the amount of songs left to be downloaded decrease by 40 every week.

<span>the initial value is 200 at 0 weeks, which means that there are 200 songs to be downloaded at the beginning</span>

PART B)

<span><span><span> <span><span>calculate the slope:
</span><span> m = (y2- y1)/(x2 - x1) = (160 - 200)/(1 - 0)
m = -40
now use the line equation in form of point-slope
y - y1 = m(x - x1)
y - 200 = -40(x - 0)
y = -40x + 200</span></span> </span></span></span>

<span>
<span>
</span></span>

5 0
3 years ago
Jimmy is going scuba diving. He started at 10 ft below sea level. He then dove 15 ft further, then he got nervous and came up 5
ad-work [718]

Answer:

it is 55

Step-by-step explanation:

8 0
3 years ago
How will you write 5 × 5 × 5 × 5 × 5 as an exponential expression?
mash [69]
C because
5^5 same as 5x5x5x5x5
=3125
6 0
3 years ago
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