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bearhunter [10]
3 years ago
10

Which of the following represents the most accurate estimation of 4+8

Mathematics
2 answers:
kirza4 [7]3 years ago
8 0
I don't know why you'd need to estimate that, it is just 12,
if that's not satisfactory post the answer choices.
brilliants [131]3 years ago
7 0
The answer to 4+8=12. An estimation would probably be closer to 10, but he answer choices are not posted.
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Solve for x.<br> 3(x - 4) = 2x + 6<br> Α. Ο<br> B. 2<br> C. 3.6<br> D. 10<br> E. 18
LekaFEV [45]
3(x - 4) = 3x - 12 (expand the brackets)
3x - 12 = 2x + 6
3x = 2x + 6 + 12 (put all of the integers on one side)
3x = 2x + 18 (simplify - collect like terms)
3x - 2x = 18 (put all of the unknowns on one side)
x = 18 (simplify - collect like terms)

Therefore, we know that x is equal to 18, and so the answer is E.
4 0
3 years ago
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Aleks04 [339]

Answer:

below

Step-by-step explanation:

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16(-96)= -1536

6 0
3 years ago
Translate the sentence into an equation Twice the difference of a number and 9 is equal to 5use the variable w for the unknown n
TEA [102]

Let w the unknown number. Then, you have

\begin{gathered} 2(w-9)\rightarrow\text{ Twice the difference of a number and 9} \\ 2(w-9)=5\rightarrow\text{Twice the difference of a number and 9 is equal to 5} \end{gathered}

3 0
1 year ago
What is the value of x in the diagram? A circular pool with a diameter of 18 ft will have a uniform 4 ft concrete walkway poured
Lunna [17]
If you visualize the problem, there are two concentric circles, the pool, and the pool plus the walkway. So, we have to subtract the area of these two concentric circles to find the walkway.

Bigger circle: Pool plus walkway
----------------------------------
diameter = 18 + 4(2)   -- this is because there is 2 ft of walkway at each far end
diameter = 26 ft
Area = pi*(26/2)^2
Area = 530.93 ft2

Smaller circle:pool
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diameter = 18 ft
Area = pi*(8/2)^2
Area = 50.27 ft2

Area of walkway
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A = 530.93 - 50.27
A = 480.66 ft2

Then the cost would be
Cost = $4.25 * 480.66
Cost = $2,042.81
8 0
3 years ago
36 hundredths divided 9 tenths
valentina_108 [34]

Answer: 0.4

Step-by-step explanation:

5 0
3 years ago
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