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Natali5045456 [20]
2 years ago
11

D divided by 4 plus 12 = 20 show steps what is d

Mathematics
2 answers:
tester [92]2 years ago
4 0

Answer:

d=32!!!

Step-by-step explanation:

So first rewrite it as an equation: d/4+12=20

d/4+12=20 then subtract 12 from both sides to balance the equation

d/4=8 so multply both sides by 4  to isolate the variable, 4(d/4)=d =d and 8x4=32, so d=32

Ket [755]2 years ago
3 0

Answer:

d = 32

Step-by-step explanation:

Given

\frac{d}{4} + 12 = 20 ( subtract 12 from both sides )

\frac{d}{4} = 8 ( multiply both sides by 4 to clear the fraction )

d = 32

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The sum of the ages of Mr Lin and his son Ethan is 38 years. In three years' time, Mr Lin will be three times as old as his son.
Sati [7]

Answer:

Mr.Lin's present age is 30 years now. His son is 8 years old now.

Step-by-step explanation:

Let L = Mr.Lin's present age,

   S = his son's present age.

First equation  is

L + S = 38.       (1)

The second equation is  

L + 3 = 3*(S+3)   (2)   ("In three years' time, Mr.Lin will be three times as old as his son.")

From (1), express S = 38-L and substitute it into (2). You  will get

L + 3 = 3*((38-L)+3),   or

L + 3 = 114 - 3L + 9,

4L = 114 + 9 - 3,  

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3 years ago
How does the value represented by the digit 4 in R compare to the value represented by the digit 4 in T?
timurjin [86]

Answer:

69x

Step-by-step explanation:

4 0
2 years ago
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user100 [1]

Answer:

1/64

Step-by-step explanation:

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6 0
3 years ago
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There are approximately 4.3 weeks in each month. How much will you take home each month after taxes?​
Marianna [84]

Answer:

So roughly c x c = b/100

5 x 5 x 100 = $2500

Step-by-step explanation:

Lets say c = 5 and b = 1

= 5c =100c/5c x b

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We can also show

= 20c x b =5c

c = 20c/5c x b = 5c

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b=1

One example is 20%  = 0.20 x 500 = 100c  

=  7.12c  = 7c

1= 100%

100 x 71.042  = 710.42 weekly pay. emergency tax 142 = 568

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710-107 = 603 a week

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4 0
3 years ago
What are the solutions to the following equation? select all that apply. 0= x^2 - x + 5
Dominik [7]

Answer:

I think it is a and f i could be wrong

Step-by-step explanation:

7 0
3 years ago
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