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Lunna [17]
4 years ago
11

Select the proper placement for parentheses to speed up the addition for the expression 4 + 6 + 5 

Mathematics
2 answers:
nata0808 [166]4 years ago
6 0
Im guessing that by making 10 it will speed up the addition process so it should be 
B since (6+4) = 10 then +5 =15
vlabodo [156]4 years ago
6 0
The answer is B becuase 6+4=10 10+5=15
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Sound policy requires that a certain number of trees be planted for every tree that is cut down for example of 8 trees are cut d
Nimfa-mama [501]

Answer:

30 trees

Step-by-step explanation:

Given the policy:

8 trees are cut down 48 trees will be planted

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Since :

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5 trees cut down = X

Cross multiply :

8 * X = 48 * 5

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X = 240/8

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Hence, 30 trees will need to be planted

4 0
3 years ago
How many kilometers are in 31,800,000 centimeters?
igor_vitrenko [27]
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3 0
3 years ago
If I paid $205.50 for a phone that was 70% off, then what was the original price of the phone
slega [8]

Answer:

£349.35

Step-by-step explanation:

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then do 170 divided by 100 and multiply by the total ($205.50)

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4 0
3 years ago
If y is a differentiable function of x, then the slope of the tangent to the curve xy-2y 4y^2=6 at the point where y=1 is
Molodets [167]
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7 0
3 years ago
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Natasha_Volkova [10]
For the answer to the question above asking about probabilities.
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The answer for  
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lastly the answer for
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</span>I hope my answer helped you. Feel free to ask more questions. Have a nice day!
6 0
3 years ago
Read 2 more answers
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