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Vaselesa [24]
3 years ago
9

What value of k makes the equation true? a.2 b.3 c.4 d.8

Mathematics
1 answer:
Sindrei [870]3 years ago
6 0
Your answer would be c
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Can someone help me please ???????
Inessa [10]

Answer:

d=1

Step-by-step explanation:

Factor d^2 - 2d - 8 into (d-4)(d+2)

Move -2/d+2 onto the other side, changing it into 2/d+2.

\frac{-3d}{(d-4)(d+2)} +\frac{3}{d-4}+\frac{2}{d+2} = 0

Let the empty side equal zero.

Add 3/d-4 and 2/d+2

\frac{5d-2}{(d+2)(d-4)}

Then add that to -3d.

\frac{2d-2}{(d+2)(d+4)}

Multiply 0 by d+2 and d-4 to get 2d-2 by itself.

2d=2

d=1

I can't edit the equation, but it's d-4 althroughout the question. Sorry for being so slow.

6 0
3 years ago
1. Elena bought 8 tokens for $4.40. At this rate:<br>a. What is the price of one token?​
Genrish500 [490]

Answer:  $0.55

Step-by-step explanation: you would divide 4.40 by 8 to get the answer which is 0.55

Hope this helps :)

3 0
3 years ago
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Which graph is generated by this table of values?<br> PLS HURRY
viva [34]
Use two points to find the slope
8 0
2 years ago
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Nathan read 2 books in 10 months. What was his rate of reading in books per month
Novay_Z [31]
<h2>Answer:</h2><h2>The rate of reading a book per month = \frac{1}{5} = 20%</h2>

Step-by-step explanation:

Nathan read 2 books in 10 months.

The time taken to complete 1 book = \frac{10}{2} = 5 months

To complete 1 book it takes 5 months.

The rate of reading a book per month = \frac{1}{5} = 20%

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3 years ago
Help me plzzz will give brainlest!!!!
Leno4ka [110]

Answer:b,they are not proportional

Step-by-step explanation:

8 0
3 years ago
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