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OlgaM077 [116]
3 years ago
8

Dale tried to estimate the area of his backyard garden. He guessed it was 12 square meters. When he measured the dimensions late

r, he realized that it was actually 12.4 square meters. Explain why Dale should or should not round down, given the fact that he has only enough pesticide to spray a particular number of centimeters squared.
Mathematics
1 answer:
Elena-2011 [213]3 years ago
5 0

Answer:

cool

Step-by-step explanation:

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The camping supply store sells bags of charcoal in a 20 pound size for 5.79 the same brand sells a 50 pound size for 14.29 Wich
Paul [167]

Answer:

50 pounds for $14.29 is the better option.

Step-by-step explanation:

$5.79÷20=$0.2895 per pound

$14.29÷50=$0.2858 per pound

$0.2895-$0.2858=$0.0037 saved per pound.

6 0
2 years ago
Differentiating a Logarithmic Function in Exercise, find the derivative of the function. See Examples 1, 2, 3, and 4.
Tasya [4]

Answer:

\frac{dy}{dx}=-[(\frac{5x+24}{36x-6x^2})]

Step-by-step explanation:

Given function:

y =\ln(\frac{(6 - x)^{\frac{3}{2}}}{x^{\frac{2}{3}}})

we know

\ln(\frac{A}{B}) = ln(A) - ln(B)

thus,

y = \ln((6 - x)^{\frac{3}{2}}) - \ln(x^{\frac{2}{3}})

or

also,

ln(Aⁿ) = n × ln(A)

thus,

y = (\frac{3}{2})\times\ln(6 - x) - (\frac{2}{3})\times\ln(x)

therefore,

\frac{dy}{dx}=[(\frac{3}{2})\times\frac{1}{(6-x)}\times(0 - 1)] - [ (\frac{2}{3})\times\frac{1}{x}\times1]

or

\frac{dy}{dx}=-(\frac{3}{2(6-x)}) - (\frac{2}{3x})

or

\frac{dy}{dx}=-[(\frac{3(3x)+2\times2(6-x)}{2(6-x)\times(3x)})]

or

\frac{dy}{dx}=-[(\frac{5x+24}{36x-6x^2})]

5 0
3 years ago
Kim takes her 7 children to the carnival. If she buys 30 tickets for them, which of the following best describes how many ticket
galben [10]
210 (idk maybe since I think this is multiplication)
7 0
3 years ago
the units digit of a two digit number is 10. If the digits are reversed, the new number is 9 less than the original number. find
Irina-Kira [14]

Answer: the units digit has to be a 1 digit number not 2

Step-by-step explanation:

4 0
3 years ago
Ayyyyyyyy help me even if u can only help with 1 answer it wud be appreciated
Lisa [10]

Answer:

7. 225, 315

Step-by-step explanation:

4 0
3 years ago
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