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romanna [79]
3 years ago
8

How is 2/5 Equal to 0.4

Mathematics
2 answers:
gavmur [86]3 years ago
3 0
You have to divided 2 over 5
Studentka2010 [4]3 years ago
3 0
Convert 2/5 into a number over 100; 

(2/5)(20/20) 
40/100 
0.4 

Therefore, LHS=RHS 

Hope I helped :) 
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Write in slope-intercept form an equation of the line that passes through the points (−6,−3) and (18,1).
Brilliant_brown [7]

6x-y+33=0

Step-by-step explanation:

m=y2-y1/x1-x2

m=1-(-3)/18-(-6)

m=4/24m=6

m=y-y1/x-x1

6=y-y1/x-x1

6x-y+33=0

4 0
2 years ago
Michael bought six books that cost d dollars each.Write an equation that can be used to show the total cost (c)of the books?How
yulyashka [42]

Step-by-step explanation:

Equation is 6d (6 • d)

Actual Question:

c = 6d

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8 0
4 years ago
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Plz someone help ASAP!
lozanna [386]

(1) C = 15x + 40000 ...............because it cost $15 to produce each CD with a one-time cost of $40,000

(2) R = 59x ......................because each CD will sell for $59

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(4) 44x = 40000 → x = 909 ........ They must sell 909 in order to break even

6 0
3 years ago
Here is an equation: 4x+7=23. Explain the steps you would use to solve the equation for x
Elden [556K]
Step 1: Subtract 7 from both sides.<span><span><span><span>4x</span>+7</span>−7</span>=<span>23−7</span></span><span><span>4x</span>=16</span>Step 2: Divide both sides by 4.<span><span><span>4x</span>4</span>=<span>164</span></span><span>x=4</span>Answer:<span>x=<span>4</span></span>
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Find the values of s1 and r for a geometric sequence with s4 = 18 and s6= 8<br>​
stiv31 [10]

Answer:

  see below

Step-by-step explanation:

The ratio of terms that are two terms apart (s4 and s6) is the square of the common ratio:

  s6/s4 = r^2

  r = √(8/18)

  r = 2/3 . . . . . matches choices A and C

__

Using the formula for the general term, we now know enough to find the first term:

  sn = s1·r^(n-1)

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Using s4 = 18 and multiplying by (2/3)^-3, we get ...

  18·(2/3)^-3 = s1 = 18·27/8

  s1 = 243/4 . . . . . matches choice A

8 0
3 years ago
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