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4 years ago

14

A standard coffee mug has a capacity of 16 fluid ounces. If Annie needs to fill 26 mugs with coffee, how many total quarts of co

ffee does she need?

1 answer:

Tems11 [23]4 years ago

3 0

Because 13, because there are 16 fl oz in one pint, and 2 pints in one quart

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Whatis the value of x in the equation<br> x -<br> y = 30, when y = 15?<br> 8

Ostrovityanka [42]

Answer:

x=45

Step-by-step explanation:

30+15=45

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3 years ago

Tory creates a cell phone app. He wants to distribute it through a company that will pay him $100 plus $0.25 every time the app,

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3 years ago

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3 years ago

Find the 19th term of the arithmetic sequence whose common difference is =d5 and whose first term is =a12.

emmasim [6.3K]

An=a1+d(n-1)
a1=first term
d=common difference
n=which term

common difference is 5 first term is 2
an=5+2(n-1)
19th term is n=19
a19=5+2(19-1)
a19=5+2(18)
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4 years ago

Write an expression for the eighth partial sum of the series using summation notation

balandron [24]

Answer:

option B

Step-by-step explanation:

9/10 + 6/5 + 3/2...........

We find the difference between the terms

$\frac{6}{5} - \frac{9}{10}$

$\frac{12}{10} - \frac{9}{10} = \frac{3}{10}$

We will get the same difference when we subtract consecutive terms.

so , d= 3/10, a= 9/10

we find the formula for nth term

a_n = a+(n-1) d

$a_n = \frac{9}{10} + (n-1)\frac{3}{10}$

$a_n = \frac{9}{10} +\frac{3}{10}n-\frac{3}{10}$

$a_n = \frac{6}{10} +\frac{3}{10}n$

$a_n = \frac{3}{5} +\frac{3}{10}n$

we need to find eighth partial sum so we take n=1 to 8

sum of 8 terms ( $\frac{3}{5} +\frac{3}{10}n$ )

So option B is correct

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3 years ago