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Rina8888 [55]
4 years ago
8

Help meeeeeee plz I need helppppppppppplp​

Mathematics
1 answer:
MatroZZZ [7]4 years ago
7 0
Jessica runs fastest because her time/second is about 10 seconds while brookes is around 12.
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What does x equal in x+4=2x-3
barxatty [35]

Answer:

Step-by-step explanation:

x+4=2x-3

x-3=4

x=7

7 0
3 years ago
Malcolm sells magazine subscriptions. He earns $15 a week plus $3 for each subscription he sells. How many subscriptions must he
xenn [34]
He would have to sell 25 in a week
7 0
3 years ago
Hi there please explain how to solve or factorise this as i dont know the formula plus how to do ?:)
nalin [4]

Steps:

  1. Writing down the equation. x^2 + 1 = 0.
  2. Subtract 1 from both sides. x^2 = -1
  3. Square root (I am going to use the abbreviation sqrt) on both sides. x = sqrt (-1)
  4. sqrt (-1) is simplified as i (or imaginary number). Because of the sqrt, it would be plus or minus.
  5. (x+i)(x-i) is your answer. If you are in a lower math class (mentioning 10th grade or below), you should just put no solution.
5 0
3 years ago
Read 2 more answers
What is the balance after 15 years in a savings account that earns 2% interest compounded bimonthly when the initial deposit is
Ierofanga [76]

Answer:

$1348.07

Step-by-step explanation:

Hello!

<h3>Compound Interest Formula: A = P(1 + \frac rn)^{nt}</h3>
  • A = Account Balance
  • P = Principle/Initial Amount
  • r = Rate of Interest (decimal)
  • n = Number of times compounded (per year)
  • t = Number of Years

<h3>Given Information</h3>
  • Account Balance = ?
  • Principle Amount = $1000
  • Rate of Interest = 0.02

Why is the Rate 0.02?

This is because we are gaining money, so the multiplier should be greater than 1. We already added 1, which is 100% so you simply add the 0.02 for the extra 2%.

  • Number of times compounded per year = 6

This is because it is being compounded bi-monthly, or once every 2 months. 12 months divided by 2 months is 6 months, so 6 times a year.

  • Number of years = 15

<h2>Solve </h2>

Solve by plugging in the given values into the formula.

  • A = P(1 + \frac rn)^{nt}
  • A = 1000(1 + \frac {0.02}{6})^{6*15}
  • A = 1000(1 + 0.00333...)^{90}
  • A = 1000(1.00333...)^{90}
  • A = 1000(1.145743)
  • A \approx 1457.43

This is really close to the first option, and since there is rounding involved with the repeating decimal, the first option should be correct.

The answer is $1348.07.

3 0
2 years ago
What percentage is 4 dimes?​
RideAnS [48]

Answer:

It should be 40%

Step-by-step explanation:

3 0
3 years ago
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