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igor_vitrenko [27]
4 years ago
10

Look at this check register. Calculate the current balance. The current balance is $

Mathematics
2 answers:
irinina [24]4 years ago
8 0

Answer:

The current balance is $$ 33.18

daser333 [38]4 years ago
6 0

Answer:

The current balance is $33.18.

Step-by-step explanation:

The initial balance is $82.92.

The debt are subtracted from the balance and deposits are add in the balance.

On 5/1 after paying the monthly fee the balance was $82.92.

On 5/3 phone bill of $78.24 is paid, so the remaining balance is,

B=82.92-78.24=\$ 4.68

On 5/15 the paycheck of $125.00 is deposited, so the remaining balance is,

B=4.68+125=\$ 129.68

On 5/17 withdraw from ATM of $40, so the remaining balance is,

B=129.68-40=\$ 89.68

On 5/20 tennis lessons of $56.50 is paid, so the remaining balance is,

B=89.68-56.50=\$ 33.18

Therefore, the current balance is $33.18.

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If a ll b and line c is perpendicular to line a then line b and c are?​
bazaltina [42]

Answer:

perpendicular

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
A grocery stores studies how long it takes customers to get through the speed check lane. They assume that if it takes more than
Lemur [1.5K]

Answer:

4.65% probability that a randomly selected customer takes more than 10 minutes

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this question, we have that:

\mu = 7.45, \sigma = 1.52

Probability that a customer takes more than 10 minutes:

This is 1 subtracted by the pvalue of Z when X = 10. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{10 - 7.45}{1.52}

Z = 1.68

Z = 1.68 has a pvalue of 0.9535

1 - 0.9535 = 0.0465

4.65% probability that a randomly selected customer takes more than 10 minutes

6 0
3 years ago
Write the equation of the line that passes through the points (-6, -9) and
e-lub [12.9K]

Answer:

y - 7 = 16/13(x - 7)

General Formulas and Concepts:

<u>Alg I</u>

Point-Slope Form: y - y₁ = m(x - x₁)  

  • x₁ - x coordinate
  • y₁ - y coordinate
  • m - slope

Slope Formula: m=\frac{y_2-y_1}{x_2-x_1}

Step-by-step explanation:

<u>Step 1: Define</u>

Point (-6, -9)

Point (7, 7)

<u>Step 2: Find slope </u><u><em>m</em></u>

  1. Substitute:                   m=\frac{7+9}{7+6}
  2. Add:                             m=\frac{16}{13}

<u>Step 3: Write equation</u>

y - 7 = 16/13(x - 7)

3 0
3 years ago
A model is an estimate or approximation of a data set. In the real world, there are too many variables to know exactly what will
Ivan

Answer:

A model is an estimate of a data set.

A useful model can be used to make predictions.

Step-by-step explanation:

There are various models used in mathematics which are used to predict variables. The regression model is used to predict the relation between two variables. There are various other models which help to predict the future events and outcome of these events.

6 0
3 years ago
Help pleaseeeeeeeeee
Korolek [52]

Answer:

2x+2x is 4 +3x is 12+ 1 is 13 + 3 is 15 - 2 is 13 -1 is 12

so x=15

and y=12

7 0
3 years ago
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