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omeli [17]
3 years ago
11

You thought the balance in ur cheking account was $68. When your bank statement arrives, you realize that you forgot to record a

chem. The bank statement lists your balance as $26. Write and solve an equation to find out the amount of the chem that you forgot to record.
Mathematics
1 answer:
goldenfox [79]3 years ago
7 0
68-26=42

Answer is $42
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What is the answer for 46% of 237?
jeka57 [31]
I hope this helps you





%46.?= 237



?.46=237.100



?= 23700/46


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3 years ago
How do you solve 39 equal to 1 3/10b
elena-s [515]
If 39 = (1 3/10)b, we could simplify this by writing 39 - (13/10)b.

Solve this for b by mult. both terms by (10/13):

(10*39)
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5 0
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Write an exponential model given the points ( 7, 12 ) and ( 8, 25 ). Round to the nearest hundredth.
inna [77]

Answer:

The exponential model is y = 0.07\cdot e^{0.73\cdot x}.

Step-by-step explanation:

The exponential model can be modelled by the following mathematical expression:

y = A\cdot e^{B\cdot x} (1)

Where:

x - Independent variable.

y - Dependent variable.

A, B - Coefficients.

If we know that (x_{1}, y_{1}) = (7,12) and (x_{2}, y_{2}) = (8,25), then we get the following system of equations:

A\cdot e^{7\cdot B} = 12 (2)

A\cdot e^{8\cdot B} = 25 (3)

If we divide (3) by (2), we calculate the value of B:

e^{B}=\frac{25}{12}

B = \ln \frac{25}{12}

B \approx 0.734

And by (2), we determine the value of A:

A = 12\cdot e^{-7\cdot B}

A = 0.0704

The exponential model is y = 0.07\cdot e^{0.73\cdot x}.

4 0
3 years ago
A manager finds a moderate negative correlation between the number of computer sales and the number of microwave sales in his st
eduard

The true statement is the correlation is most likely due to a lurking variable.

<h3>What is negative correlation?</h3>

Correlation is a statistical measure used to measure the relationship that exists between two variables. Negative correlation is when there is an inverse relationship between the two variables. If one variable increases, the other variable decreases.

Assume that the store is located near a school where the students live on an allowance. So, students do not have time to buy both computers and microwaves. When students buy computers they do not have enough money to buy microwaves. This explains the negative correlation.

To learn more about negative correlation, please check: brainly.com/question/27246345

#SPJ1

5 0
2 years ago
What is the first step in solving the equation 2/3x x 1/3x+2=5?
Eduardwww [97]

Answer:

Combine like terms

Step-by-step explanation:

3 0
3 years ago
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