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Snowcat [4.5K]
3 years ago
11

sarah’s dog is half the size of her sisters dog. combined, the two dogs weigh 60 pounds. which equation best describes the weigh

t ( x ) of sarahs dog
Mathematics
1 answer:
Lorico [155]3 years ago
4 0

Im not sure how to do the equation part but Sarah's dog is 20 pounds and her sisters is 40 pounds.

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Ernesto has $20 in an account. The interest rate is 10% compounded annually.
chubhunter [2.5K]

The interest Ernesto will earn in 1 year to the nearest cent is 2200 cents.

<u>Given the following data:</u>

  • Principal = $20.
  • Interest rate = 10%
  • Time = 1 year.

To calculate how much interest Ernesto will earn in 1 year to the nearest cent:

<h3>How to calculate compound interest.</h3>

Mathematically, compound interest is given by this formula:

B=P(1+r)^t

<u>Where:</u>

  • B is the balance.
  • P is the principal or starting amount.
  • R is the interest rate.
  • T is the time measured in years.

Substituting the given parameters into the formula, we have;

B=20(1+0.1)^1\\\\B=20(1.1)

B = $22.

<u>To cents:</u>

B = 22 \times 100

B = 2200 cents.

Read more on interest here: brainly.com/question/24341207

4 0
2 years ago
Please help me out with this
blondinia [14]

thats one late assignment i wouldn't even do it tbh

7 0
3 years ago
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Margaret is saveing money for her sumergido vacation. Se calculates herstarting a Out is 0.4% of her total amount she wants to s
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6 0
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Che sum of two numbers is 2. If one number is subtracted from the other, their difference is - 8. Find the numbeRs
goldfiish [28.3K]
I wanna say 10 or ether -10 since if it was subtracted from 2 then it would equal -8
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Xelga [282]

You have the right idea for the first part. There are three ways to add to 4, and those ways are: 1+3 = 4, 2+2 = 4, and 3+1 = 4. This is out of 6*6 = 36 ways to roll two dice. That leads to 3/36. You then reduce the fraction 3/36 to get 1/12. Divide both parts by 3 to reduce.

So the first answer is 1/12

----------------------------------------------------------------------------------------

The first answer is used to help find the second answer. The probability of getting a single "4" is 1/12, so the probability of getting three "4"s in a row is (1/12)^3 = (1/12)*(1/12)*(1/12) = 1/1728

Second answer is 1/1728

7 0
3 years ago
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