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Arada [10]
3 years ago
8

The table shows the balance in Sam's checking account on 4 dates. On what date did he have the most money? A) June 1 B) June 30

C) July 1 D) July 30
Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
4 0

Answer:

B) June 30

Step-by-step explanation:

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Which of the functions have a range of all real numbers? Check all that apply. A. y = sec x B. y = csc x C. y = tan x D. y = cot
Nastasia [14]

Answer:

Option C and D that is y= tan x and y= cot x

Step-by-step explanation:

The range is the values of y means the values that y can take in a function:

So, range of tan x and cot x are all real numbers.

Period of  tan x is \pi

Period of cot x is \pi

Option A and B that is secx and csc x are discarded  

4 0
4 years ago
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What kind of slope is (19,-16)(-7,-15
olasank [31]

Answer:

Slope is -1/26

Step-by-step explanation:

6 0
3 years ago
Factorize a^2b^2-c^2
Elden [556K]
<h3>Answer:  (ab - c)(ab + c)</h3>

===================================================

Work Shown:

a^2b^2 - c^2

(ab)^2 - c^2

(ab - c)(ab + c)

In the last step, I used the difference of squares factoring rule.

4 0
3 years ago
Which of the following equations best represents the regression line for the data given in the table above?
navik [9.2K]

B. y = 3x - 2

Step-by-step explanation:

A linear regression line is in form of Y=A+Bx where B is the slope of the line and A is the intercept when x=0

Form a table as shown

x          y        xy           x²         y²

1           4         4            1          16

2           1          2           4          1

3           5         15          9        25

4           10        40        16        100

5           16        80        25      256

6            19        114       36       361

7            15        105       49      225

28          70       360      140     984 ------sum

From the table;

n=7 ---number of data points

∑x = 28

∑y=70

∑xy =360

∑x² =140

∑y² = 984

Applying equations for A and B

A=(∑y)(∑x²) - (∑x)(∑xy) / n (∑x²)-(∑x)²

A=(70)(140) - (28)(360) / 7(140)-(28²)

A=9800 - 10080 / 980-784

A= -280 /196

A= -1.43

B= n(∑xy)-(∑x)(∑y)  / n(∑x²)-(∑x)²

B=7(360)-(28)(70) / 7(140) - (28²)

B=2520-1960 /980-784

B=560/196

B=2.86

The equation will be;

Y=A+Bx

Y=-1.43+2.86x

Y=2.86x-1.43

Learn More

Regression line : brainly.com/question/12280902

Keywords : equations, regression line, data, table

#LearnwithBrainly

7 0
3 years ago
48=5x+8 <br>just need to know​
Korolek [52]
48=5x+8

X=8

Have a good day
6 0
4 years ago
Read 2 more answers
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