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5 days ago
6

Michael started a savings account with $300. After 4 weeks, he had $350 dollars. And after 8 weeks, he had $400. What is the rat

e of change of money in his savings account per week?
Mathematics
2 answers:
Leona [12.6K]5 days ago
4 0
The response is $12.50. This might not be correct, but it's worth testing.
Leona [12.6K]5 days ago
4 0
The rate is inconsistent, as one value is 12.5 while the other is 11.111.
You might be interested in
DOPO
AnnZ [12381]

Response:

$144,843.5

Detailed explanation:

In this scenario, we will utilize the compound interest formula

A= P(1+r)^t

A = final amount

P = initial principal

r = interest rate

t = number of periods

Given parameters

P= $27,000

R= 7.25%= 7.25/100= 0.0725

T= 24

A=27000(1+0.0725)^24

A= 27000(1.0725)^24

A= 27000*5.364

A= $144,843.5

By the end of 24 years, her account balance will reach $144,843.5

5 0
1 month ago
Jenna saves $2,500 per year in an account that earns 10% interest per year, compounded annually. Jenna will have(A $411,234) (B
Leona [12618]

Response:

The result is $43623.50

Detailed explanation:

This query involves compound interest.

The formula for calculating compound interest is

A=P(1+r)^t

A = final amount

P = initial principal balance

r = interest rate

n = number of times interest applied per time period

t = number of time periods elapsed

Provided information

P= $2,500

r= 10/100= 0.1

t= 30 years

Inserting values into the compound interest formula and calculating A gives us

A=2500(1+0.1)^30

A=2500(1.1)^30

A=2500*17.449

A=$43623.50

The total amount is $43623.50

The balance in her account comes from Jenna’s (A annuity payments)

3 0
21 day ago
.The conversion of square feet to square yards can be represented by direct variation. Three square yards are equivalent to 27 s
Leona [12618]

Answer:

The variation constant is 1/9

The direct variation equation is expressed as y/x= 1/9

Step-by-step explanation:

In the case of direct variation, the formula y/x=k is used where k represents the constant of variation. For this situation, y denotes square yards and x represents square feet. Given that 27 square feet equals 3 square yards, we derive one coordinate (x₁, y₁) as (27 square feet, 3 square yards). Substituting x₁ and y₁ into our equation yields

y/x = k

3 / 27 = k

(3/27) / (3/3) = 1/9* = k

Consequently, the constant of variation is 1/9

Subsequently, as previously mentioned, y/x = k outlines the direct variation equation. Thus, we have y / x = 1/9 as our equation

* We can simplify the fraction since 3 divides both 3 and 27 evenly. To find the greatest common factor, you can list factors of each number and determine the highest shared factor.

5 0
1 month ago
A student in an intro stats course collects data at her university. she wants to model the relationship between student jobs and
babunello [11817]

Response:

We are provided with:

R^{2}=12.7\%

The interpretation of R^{2} signifies the extent of variation in the response variable accounted for by the explanatory variable within the model

Thus, the interpretation of R^{2}=12.7\% indicates that 12.7% of the variation in the GPA response variable is attributed to the job-related explanatory variable in the specified linear regression model.


4 0
1 month ago
Read 2 more answers
How do I interpret this equation 5+1x10= is the answer 15 or 60?
Leona [12618]
To solve simple equations like this, it's essential to apply the order of operations defined by PEMDAS. This acronym represents the sequential operations needed for solving equations.
PEMDAS indicates Parentheses, Exponents, Multiplication, Division, Addition, and Subtraction.
According to PEMDAS, multiplication takes precedence over addition, leading us to:
5 + [1*10] = 5 + 10 = 15.
6 0
1 month ago
Read 2 more answers
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