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KATRIN_1 [288]
3 years ago
8

Solve for x +6 = 12 I'm gonna mark this as brainy

Mathematics
1 answer:
Vesna [10]3 years ago
6 0

Answer:

x=6

Step-by-step explanation:

To solve this problem,

firstly make x to stand alone

subtract 6 from both sides of the equation

x+6-6=12-6

x= 6

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6x4/5=_____ the product lies between ___ and ___
Sophie [7]
4 and 5

This is because when you multiply 6 by 4 you get 24. Then you divide it by 5 which is 4.8, the answer lies between 4 & 5.
5 0
3 years ago
a rectangle plot measure 20ft. by 30ft. A 3-ft.-wide sidewalk surrounds it.Find the area of the sidewalk.
goldenfox [79]
Area of a rectangle = length (l) * width (w)
A = 30ft * 20ft
A = 600 sq ft

Now the width of a sidewalk that surroundeds it = 3 ft
so now the area of the rectangle with sidewalk= 30+3ft * 20+3ft
A = (33*23) ft
A = 759 sg ft

Area of the sidewalk = 759 - 600
A = 159 sq ft
3 0
2 years ago
To add 20.4 + 3.75 + 4.25, Crystal first added 3.75 and 4.25. Which property did Crystal use to add mentally?
evablogger [386]

Answer:

Associative Property of Addition

Step-by-step explanation:

From the list of given options, option A correctly answers the question and this is because

a + b + c = a + (b + c) --- (1)

or

a + b + c = (a + b) + c --- (2)

<em>The above illustrations only apply to Associative Property of Addition</em>

In Crystal's case:

20.4 + 3.75 + 4.25 = 20.4 + (3.75 + 4.25)

This can be compared to (1) above

Hence;

<em>Option A answers the question</em>

3 0
3 years ago
What uses numbers, variables and operations symbol?
Nutka1998 [239]
Sounds like "formulas"!  y = ax^2 + bx + c   involves the variable x and the constants {a, b, c}.  The "2" indicates "squaring function."
6 0
3 years ago
Please help with this math problem
VashaNatasha [74]
-1 = (x-1)/3
(multiply both sides by 3)
-3 = x-1
(add 1 on both sides)
x=-2


7 0
3 years ago
Read 2 more answers
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