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Monica [59]
3 years ago
13

Brandon owes his brother $100. He will repay his brother $5 each week. Which expression gives the amount in dollars Brandon will

still owe his brother after n weeks?
A - 5−100n
B - 100−5n
C - 5n−100
D - 100n−5
Mathematics
2 answers:
trasher [3.6K]3 years ago
8 0
It’s b because n equals weeks so after the first week he has given back five dollars because 5 time 1 is 5.
aleksklad [387]3 years ago
3 0

Answer:

B 100-5n

Step-by-step explanation:

Always glad to help.

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Liz buys 6 flowerpots. there are 8 flowers in each pot. how many flowers did Liz buy?
vivado [14]

Answer:

48

Step-by-step explanation:

6 flowerpots

8 flowers per pot

8 x 6 = 48 flowers

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3 years ago
An important factor in selling a residential property is the number of times real estate, agents show a home. A sample of 21 hom
Natalka [10]

Using the t-distribution to build the 99% confidence interval, it is found that:

  • The margin of error is of 3.64.
  • The 99% confidence interval for the population mean is (19.36, 26.64).

<h3>What is a t-distribution confidence interval?</h3>

The confidence interval is:

\overline{x} \pm t\frac{s}{\sqrt{n}}

In which:

  • \overline{x} is the sample mean.
  • t is the critical value.
  • n is the sample size.
  • s is the standard deviation for the sample.

The critical value, using a t-distribution calculator, for a two-tailed 95% confidence interval, with 21 - 1 = 20 df, is t = 2.086.

The other parameters are given as follows:

\overline{x} = 23, s = 8, n = 21

The margin of error is given by:

M = t\frac{s}{\sqrt{n}} = 2.086\frac{8}{\sqrt{21}} = 3.64

Hence the bounds of the interval are:

\overline{x} - M = 23 - 3.64 = 19.36

\overline{x} + M = 23 + 3.64 = 26.64

The 99% confidence interval for the population mean is (19.36, 26.64).

More can be learned about the t-distribution at brainly.com/question/16162795

#SPJ1

7 0
1 year ago
Simplify the expression 2.75j + 2.25 - 1.5j + 3
Katarina [22]
1.25j+5.25 would be the answer. just combine like terms
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3 years ago
Write an expression for the following situation and solve. Mr. Simms bought 20 pencils. He used 1/4 of the pencils and then gave
Aleonysh [2.5K]
Hi! 
1/4 of 20 pencils are 5 pencils.
Since he gave away 4 pencils,
Total = 5 + 4 = 9
Mr. Simms use and give away total 9 pencils.
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3 years ago
What is equal to 14.1.
VLD [36.1K]
A lot of numbers, equations, etc equal 14.1. Be more specific in your questions. I’m sorry this doesn’t really help but just use this for future reference
3 0
3 years ago
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