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Aleksandr-060686 [28]

3 years ago

6

14K gold hoop earrings are on sale for 50 cents off. They normally sell for $75.00 a pair. How much did Elizabeth save on 2 pair

s?

1 answer:

KonstantinChe [14]3 years ago

3 0

Answer: $1

Step-by-step explanation:

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Write as a product of two polynomials:<br> (x-y)^2-a(y-x)

sattari [20]

Answer:

(x - y)(x - y + a)

Step-by-step explanation:

$(x-y)^2-a(y-x) \\ \\ = (x-y)^2 + a(x - y) \\ \\ = (x - y) \{(x - y) + a \} \\ \\ = (x - y)(x - y + a)$

3 0

3 years ago

Find the value of S for an infinite geometric series with r =1/6 and a1= 10.

fiasKO [112]

Kind of the whole point of an infinite geometric series is that you can't find the sum. If it is infinite, then the sum is infinite.

3 0

3 years ago

Please help me with some Algebra 2!

enot [183]

Answer:

12750

Step-by-step explanation:

The sequence of visitors is

50, 100, 200, 400, .....

This is a geometric sequence

with common ratio r = 2

The sum to n terms is found using

$S_{n}$ = $\frac{a(r^n-1)}{r-1}$ ( a is the first term )

$S_{8}$ = $\frac{50(2^8-1}{2-1}$ = 50 × 255 = 12750

6 0

3 years ago

Solve for d<br> s = n /2 [ 2 a + ( n − 1 ) d ]

ludmilkaskok [199]

The answer is d= -2an+2s/n^2-n

That answer should be in a fraction form.

7 0

3 years ago

5. A car wash uses 50 gallons of water every

ira [324]

Answer:

1.25 gallons per second

Step-by-step explanation:

To figure this out divide 50 by 40

I don't know how to explain this further, hope this is good enough.

- Que

7 0

3 years ago

Read 2 more answers