2 years ago

Please help with this question

Mathematics

1 answer:

Assoli18 [71]2 years ago

5 0

Answer:

75°

Step-by-step explanation:

Please see attached picture for full solution.

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How to solve 9x-4 when x= 2/3

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Answer:

Step-by-step explanation:

9(2/3)-4

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If a car uses one gallon of gas every 25 miles how much miles would he make with 8 gallons

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Step-by-step explanation:

One gallon = 25 miles

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A market sells blueberries for $3 per pint. The first day, the market sold a total of $35 worth of blueberries. The second day,

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Answer:Around 50 pints

Step-by-step explanation:

$35=$40

$47=$50

$57=$60

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3 years ago

Can someone help me with this?

Anna35 [415]

Answer:

Let 'a' be the first term, 'r' be the common ratio and 'n' be the number of terms

Series = 2+6+18.......= 2+2•3¹+ 2•3².......= 728

Now,

$Sum = \frac{a( {r}^{n} - 1) }{(r - 1)} \\$

So,

$\frac{a( {r}^{n} - 1)}{(r - 1)} = 728 \\ \frac{2( {3}^{n} - 1) }{(3 - 1)} = 728 \\ \frac{2( {3}^{n} - 1) }{2} = 728 \\ {3}^{n} - 1 = 728 \\ {3}^{n}=728+1\\ {3}^{n} = 729 \\ {3}^{n} = {3}^{6} \\ \boxed{ n = 6}$

Therefore, number of terms is 6

6 is the right answer.

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3 years ago

Find an equation of the ellipse that has center (-2,0), a minor axis of length 2, and a vertex at (8,0)

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Answer:

Step-by-step explanation:

(-2,0) and (8,0) are horizontally aligned, so the ellipse is horizontal.

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