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2 years ago

6

Scarlett is going to invest in an account paying an interest rate of 4% compounded daily. How much would Scarlett need to invest

, to the nearest ten dollars, for the value of the account to reach $54,000 in 8 years?

1 answer:

IrinaVladis [17]2 years ago

4 0

Answer: 39210

Step-by-step explanation:

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The cost of 5 scarves is 88.75 <br> what is the unit price?

Kitty [74]

Answer:

17.75

Step-by-step explanation:

Unit price means the price of a single unit so we have to divide 88.75 by 5

88.75 ÷ 5 = 17.75

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2 years ago

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Westkost [7]

The answer is b = -2h.

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3 years ago

The sum of the first n terms of an arithmetic sequence is n/2(4n + 20).

lesantik [10]

Answer:

(a).

$S_{n} = \frac{n}{2} (4n + 20) \\ \\S _{n - 1} = \frac{(n - 1)}{2} (4n - 4 + 20) \\ \\ S _{n - 1} = \frac{(n - 1)}{2} (4n + 16) \\ \\S _{n - 1} = \frac{(n - 1)(4n + 16)}{2} \\ \\ { \boxed{S _{n - 1} = {2 {n}^{2} + 6n - 8}}} \\$

(b).

from general equation:

$S _{n - 1} = \frac{(n - 1)}{2} (4n + 16)$

first term is 4n

common difference:

$16 = \{(n - 1) - 1 \}d \\ 16 = (n - 2)d \\ d = \frac{16}{n - 2}$

8 0

3 years ago

Answer the following 2 question

Zanzabum

Answer:

Step-by-step explanation:

ii) Perimeter = 8 + 7 + 17 + 16 + (17-8) + (16-7)

=8+ 7 + 17 +16 + 9 + 9

= 66 m

Area = area of upper rectangle + area of lower rectangle

= 8*7 + 16*9

= 56 + 144

= 200 m²

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3 years ago

A photograph negative measures 1 7/8 inches by 2 1/2 inches. The printed pictures is to have its longer dimension be 4 inches. H

Tresset [83]

4/1 / 5/2 = 4/1 * 2/5 = 8/5

1 7/8 = 15/8

15/8 * 8/5 = 120/40 = 12/4 = 3 inches

shorter side should be 3 inches

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3 years ago