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LiRa [457]
3 years ago
13

Challenge  You have 2 different savings accounts. For Account​ A, the simple interest earned after 18 months is ​$4.80. For Acco

unt​ B, the simple interest earned after 21 months is ​$23.10. If the interest rate is 3.2​% for Account A and 2.2​% for Account​ B, how much is the principal in each​ account? Which account earned you the most interest the first​ month? Explain your answer.
Mathematics
2 answers:
Tema [17]3 years ago
8 0

Answer:

80

Step-by-step explanation:

saw5 [17]3 years ago
8 0

Answer:4w47859

Step-by-step explanation:

You might be interested in
Brian's gas tank is 1/6 full. After he buys 7 gallons of gas, it is 1/2 full. How many gallons can Brian's tank hold ?
qwelly [4]
21 is the right one
7 0
2 years ago
The original price of a bicycle is $130. The sale price is 60% of the original price. What is the sale price of the bicycle?
djverab [1.8K]

Answer:

$78

Step-by-step explanation:

To find a portion of anything, you just multiply your first item by the equivalent decimal of your percent. Let's put it into action in this problem:

If your original price of your bike is $130, and you are trying to find the sale price, which is 60% (aka 0.6) of your original price. Now, like I previously mentioned, to find the portion of your price, you just want to multiply your OG price (130) by the decimal equivalent of your sale, (0.6). So 130*0.6=78

3 0
3 years ago
Question 1
8090 [49]

The correct answer is C. The 13 moose are the individuals. There is one categorical variable and four quantitative variables.

Explanation:

In research, the individuals refer to the participants or population that is being analyzed. For example, if the purpose of the research is to know how many hours highschool students sleep, the individuals are high school students. In this context, the individual or population of this study ae the 13 moose.

Moreover, this research focuses on different variables such as gender, height, the number of hours each moose spends in the water, the weigh of the food eaten on average by each moose, and the average weight of food eaten every day. From these variables, the last four variables are quantitative because they can be measured using numbers, for example, the height is measured in inches. On the other hand, the first variable is categorical because each moose can be classified in only two categories: male or female.

7 0
3 years ago
18<br> What is the value of x?<br> O<br> 3<br> 10<br> 2y + 4<br> 10 + 2x<br> 000
borishaifa [10]

Answer:

10 = 2y + 4

6 = 2y

y = 3

Step-by-step explanation:

18 = 10 + 2x

8 = 2x

x = 4

7 0
2 years ago
Use technology and the given confidence level and sample data to find the confidence interval for the population mean mu. Assume
Sphinxa [80]

Answer: (1.55, 6.45)

Step-by-step explanation:

The confidence interval for population mean is given by :-

\overline\ {x}\pm\ z_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}

Given : Significance level : \alpha: 1-0.99=0.01

Critical value : z_{\alpha/2}=2.576

Sample size : n=41

Sample mean : \overline{x}=4.0\text{ kg}

Standard deviation : \sigma=6.1\text{ kg}

Then, 99% confidence interval for population mean will be :_

4\pm\ (2.576)\dfrac{6.1}{\sqrt{41}}\\\\\approx4\pm2.45\\\\=(4-2.45, 4+2.45)=(1.55, 6.45)

8 0
3 years ago
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