2 years ago

Find the 86th term of the arithmetic sequence 18, 21, 24,

Mathematics

1 answer:

pentagon [3]2 years ago

7 0

Answer: 258

Step-by-step explanation:

86 times 3=258

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The 6th grade is trying to raise $500 for a new 3D printer. So far, they have raised $235. What percentage of the money has the

kow [346]

The answer is 47%

If you take the amount of money raised ($235) and put it over the total amount of money ($500), 235/500 will result in the decimal 0.47, and you can change that to a percentage by moving the decimal two places to the right

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1 year ago

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If f(x)=3x5−10x3+5, on what intervals is f″(x)>0?

Ksivusya [100]

Answer:

$(0.7937,\infty)$

Step-by-step explanation:

we are given an algebraic function in x, such that

$f(x) = 3x^5-10x^3+5$

To find when second derivative >0

For this let us find first and second derivative by successive differentiation.

$f(x) = 3x^5-10x^3+5\\f'(x) =15x^4-30x^2\\f'(x)=60x^3-30$

when ii derivative >0 we have

60x^3-30>0

$x^3>0.5\\x>0.7937$

f"(x)>0 in

$(0.7937,\infty)$

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2 years ago

nasty-shy [4]

Answer:

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2 years ago

-3(2x-3)+10x=39 what’s the answer

Temka [501]

Decimal form= 7.5 , fraction form = 15/2 , improper fraction= 7 and 1/2

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2 years ago

Rewrite the equation in standard form 2x^2=5x+6

FrozenT [24]

Answer:

$2x^{2} =5x+6\\$

Step-by-step explanation:

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1 year ago