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Natalija [7]
3 years ago
14

Flynn opens a savings account. In one 3 month period, he makes a deposit of 75.50 and 55.25. He makes withdrawals of 25.15 and 1

8.65. His balance at the end of the 3 month period is 210.85. Explain how you can find his initial deposit amount
Mathematics
1 answer:
torisob [31]3 years ago
6 0
You end with 210.85. add 75.50 and 55.25 together you get 130.75. 130.75-25.15-18.65 = 86.95. 210.85-86.95= 123.90 work backwards.
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The Mongolian Giant Sunflower produces seeds that are over 1 inch long, grow up to 18 feet tall, and flowers that are 1 ½ feet w
m_a_m_a [10]

Answer:

A sexually using seeds

Step-by-step explanation:

hope this helps :)

4 0
2 years ago
Are the expressions 0.85b-0.2b and 0.65b equivalent?
Savatey [412]

Hello!

0.85b-0.2b

0.65b

0.65b=0.65b

So these expressions are equivalent.

Hope it helps!

~Just a determined gal

#CarryOnLearning

MysteriousNature

5 0
3 years ago
the length of a rectangular parking lot at the airport is 2/3 mile.if the area is 1/2 square mile, what is the width of the park
olya-2409 [2.1K]
<h3>Answer:</h3>

3/4 mile

<h3>Explanation:</h3>

Area is the product of length and width. Put the given values into that formula and solve for width.

... A = L·W

... (1/2 mi²) = (2/3 mi)·W

... (1/2 mi²)/(2/3 mi) = W = (1/2)·(3/2) mi

... W = 3/4 mi

6 0
3 years ago
A research team conducted a study showing that approximately 15% of all businessmen who wear ties wear them so tightly that they
Helen [10]

Answer:

a) 0.913

b) 0.397

c) 0.087

Step-by-step explanation:

We are given the following information:

We treat wearing tie too tight as a success.

P(Tight tie) = 15% = 0.15

Then the number of businessmen follows a binomial distribution, where

P(X=x) = \binom{n}{x}.p^x.(1-p)^{n-x}

where n is the total number of observations, x is the number of success, p is the probability of success.

Now, we are given n = 15

We have to evaluate:

a) at least one tie is too tight

P(x \geq 1) = P(x = 1) +....+ P(x = 15)\\=1 - P(x = 0)\\= 1 - \binom{15}{0}(0.15)^0(1-0.15)^{15}\\=1 - 0.087\\= 0.913

b) more than two ties are too tight

P(x > 2) = P(x = 3) +....+ P(x = 15)\\=1 - P(x = 0) - P(x=1) - P(x=2)\\= 1 - \binom{15}{0}(0.15)^0(1-0.15)^{15}-\binom{15}{1}(0.15)^1(1-0.15)^{14}-\binom{15}{0}(0.15)^2(1-0.15)^{13}\\=1 - 0.087 - 0.231 - 0.285\\= 0.397

c) no tie is too tight

P(x = 0)\\=\binom{15}{0}(0.15)^0(1-0.15)^{15}\\=0.087

d) at least 18 ties are not too tight

This probability cannot be evaluated as the number of success or the failures exceeds the number of trials given which is 15.

The probability is asked for 18 failures which cannot be evaluated.

8 0
4 years ago
Today, the price of a new cellphone is $380. In 2010, the price of a similar cellphone was $240. What is the percent of change i
Dahasolnce [82]
36.8% or 37% is the percent change
8 0
3 years ago
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