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3 years ago

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After a deposit of $100, a withdrawal of $125, and a deposit of $24, the balance in a savings account was $27.28. What was the b

alance before the deposits and withdrawal? Use parentheses.

1 answer:

Gekata [30.6K]3 years ago

4 0

(idk) ()()()(()()(()))(()())()))(((()(()((())()

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Find S5 for a geometric series for which a1=81 and r=1/9.

Minchanka [31]

ANSWER

$S_5=91\frac{10}{81}$

EXPLANATION

The sum of the first $n$ terms of a geometric sequence is given by;

$S_n=\frac{a_1(1-r^n)}{1-r} ,-1$

Where $n$ , is the number of terms and $a_1$ is the first term.

When $n=5$ , we have $a_1=81$ , we get;

$S_5=\frac{81(1-(\frac{1}{9})^5)}{1-\frac{1}{9}}$

$S_5=\frac{81(1-\frac{1}{59049})}{1-\frac{1}{9}}$

$S_5=\frac{81(\frac{59048}{59049})}{\frac{8}{9}}$

$S_5=\frac{7381}{81}$

$S_5=91\frac{10}{81}$

6 0

2 years ago

Michelle's mother bought 7 large pizzas for her birthday party. Each large pizza is cut into eighths. if 5/8 of the total slices

nirvana33 [79]

So we know that there are 8 slices per large pizza (7), so a total of 56 slices
we would set up a proportion
5/8=x/56
8 times 7 gives you 56, and we would do that same thing to the 5 (multiply it by 7) to get 35?
so now we know that 35 out of 56 slices were eaten
56-35 is 21
so there are 21 slices left over

5 0

2 years ago

Mr. Nelson is buying property in the shape of a triangle to build a new house. If the property costs $42.50 per square foot, how

julsineya [31]

First, you find the area of the figure. Use the formula a=h(b/2)

a=h(b/2)
a=47(98/2)
a=47(49)
a=2303

Now, you multiply that by $42.50 to find out how much he will pay.

2,303x42.50=97,877.50.

He will pay $97,877.50.

5 0

2 years ago

Read 2 more answers

Which of the following doesn't describe a point?

Veseljchak [2.6K]

Answer:

It has infinite length, but no width and no thickness (It describes a Line )

Hope it helps...

Have a great day :P

8 0

2 years ago

Read 2 more answers

Help me out please simple

const2013 [10]

<u>A straight line is 180 degrees in measure</u>

<u>The straight line is made up of three angles</u>

--> angle 1

--> angle 2

--> angle with a little square on it

(<em>angle with a little square means it is 90 degrees in measure)</em>

<u>Let's set up an equation</u>

$angle1 + angle2 + 90 = 180\\angle1 + 87 + 90 = 180\\angle1 = 3$

Thus angle 1 is <u>3 degrees</u> or the <u>second choice</u>

<u></u>

Hope that helps!

5 0

2 years ago