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givi [52]
3 years ago
10

How do u get 55 from 3 7 12 2

Mathematics
1 answer:
mr_godi [17]3 years ago
8 0
12+7=19x3=57-2=55 :D
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Which ordered pair is a solution of the equation
andrew11 [14]
(0,-7)
-7=11(0)+4
-7=0+4
-7 is not 4 -----not a solution

(-1,-7)
-7=11(-1)+4
-7=-11+4
-7=-7 ----solution

(1,-7)
-7=11(1)+4
-7=11+4
-7=15
-7 is not 15 ----not a solution

(2,26)
26=11(2)+4
26=22+4
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4 0
3 years ago
Simply the expression by combining like terms 20c+8d+10c-5d​
valentinak56 [21]

First, combine 20c and 10c because they are like terms then combine 8d and -5d.  

It would look like this:

20c+8d+10c-5d

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6 0
3 years ago
A 50-gallon rain barrel is filled to capacity. It drains at a rate of 10 gallons per minute. Write an equation to show how much
makvit [3.9K]

Answer:

The quantity of water drain after x min is 50 (0.9)^{x}  

Step-by-step explanation:

Given as :

Total capacity of rain barrel = 50 gallon

The rate of drain = 10 gallon per minutes

Let The quantity of water drain after x min = y

Now, according to question

The quantity of water drain after x min = Initial quantity of water ×  (1-\dfrac{\textrm rate}{100})^{\textrm time}

I.e The quantity of water drain after x min = 50 gallon ×  (1-\dfrac{\textrm 10}{100})^{\textrm x}

or,  The quantity of water drain after x min = 50 gallon × (0.9)^{x}

Hence the quantity of water drain after x min is 50 (0.9)^{x}  Answer

4 0
3 years ago
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What is the volume of this cube? Enter your answer as a number only; no units.
muminat

Answer:

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Step-by-step explanation:

The volume of a cube is found by

V = s^3  where s is the side length

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V =.125 m^3

3 0
4 years ago
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Rename the number 650 in tens
Ad libitum [116K]
Answer (quite straightforward):

650

= 65 x 10
4 0
3 years ago
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