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KIM [24]
3 years ago
13

1) Suppose you put money into two different bank accounts. In account #1 you deposit $500 and you will be earning 6% interest co

mpounded quarterly. In account #2 you deposit $600 and you will be earning 5% interest compounded annually. Which statement below best describes the relationship between the amount in Account #1 and Account #2 after 10 years have passed? Assume that during these years you do not withdraw any money.
a) Account #1 will have approximately $397 less than Account #2
b) Account #1 will have approximately $82 more than Account #2
c) Account #1 will have approximately $70 less than Account #2
d) Account #1 and Account #2 will have approximately the same amount of money in them.

2) In a single-elimination tournament, half of the remaining teams are eliminated in each round. If the tournament starts with 128 teams, how many teams will be left after 5 rounds?
a) 16 teams
b) 12 teams
c) 8 teams
d) 4 teams
Thank you!
Mathematics
2 answers:
Elis [28]3 years ago
6 0
The answer for number 1 is D they will have the same amount of money.

Hoochie [10]3 years ago
3 0

To question 1:

The answer will be <em>C</em>.

  • I got this from the comment section on the other answer posted here.

To question 2:

The answer is <em>D</em>.

  • I figured this out by putting it into a table on the website Desmos.

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Ierofanga [76]

Ellie requires 280 kg, Popcorn requires 70 kg and Zac requires 140 kg each week

Step-by-step explanation:

The given is:

  • Ellie, the elephant, eats 4 times as much as Popcorn, the pony
  • Zac, the zebra, eats twice as much as Popcorn
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We need to find how much feed each of them requires each week

Assume that Popcorn eats x kg each week

∵ Popcorn eats x kg each week

∵ Ellie eats 4 times as much as Popcorn

- Multiply x by 4 to find how much Ellie eats

∴ Ellie eats = 4 × x = 4 x kg

∵ Zac eats twice as much as Popcorn

- Multiply x by 2 o find how much Zac eats

∴ Zac eats = x × 2 = 2 x kg

- Add all of them to find how much they eat altogether

∴ Altogether eats = x + 4 x + 2 x = 7 x kg

∵ Altogether, they eat 490 kilograms of feed

- Equate the sum of their eat by 490

∴ 7 x = 490

- Divide both sides by 7

∴ x = 70

∵ Ellie eats 4 x

∴ Ellie eats = 4(70) = 280 kg

∵ Popcorn eats x

∴ Popcorn eats = 70 kg

∵ Zac eats 2 x

∴ Zac eats = 2(70) = 140 kg

Ellie requires 280 kg, Popcorn requires 70 kg and Zac requires 140 kg each week

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8 0
3 years ago
Jennifer has saved 600$ to but a new tv. If the tv she wants cost 1800$ and she saves 20$ a week how much weeks will it take
Colt1911 [192]

Answer:

1.2 years

Step-by-step explanation:

1200/20=60

60/52=1.2 yrs

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Answer:

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Step-by-step explanation:

8x - 3(-z - y)

Substitute

8(1) - 3(-(-2) - 3)

Simplify

8 - 3(-1)

Multiply

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liberstina [14]

Let the number be 'a':

The difference of the square of a number and 4

a^2 -4

is equal to 3 times that number.

= 3*a

a^2 -4 =3a

a^2 -3a -4=0

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Answer:

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Step-by-step explanation:

In the figure attached,

Circle O is a unit circle (having radius r = 1 unit)

If a point A with central angles = θ, is lying on the circle then the coordinates of the point A will be,

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Coordinates of point P will be

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Therefore, Option A will be the answer.

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3 years ago
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