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Amanda [17]
3 years ago
13

What is the period of the function g(x)=2cos(7x+5)+1

Mathematics
2 answers:
svp [43]3 years ago
8 0

Answer:

2π/7

Step-by-step explanation:

A cosine wave is:

y = A cos(2π/T x + B) + C

where A is the amplitude,

T is the period,

B is the horizontal shift,

and C is the vertical shift.

In this case:

7 = 2π/T

T = 2π/7

KIM [24]3 years ago
4 0

Answer:

The period the la function  is with the formula that will be explained below

Step-by-step explanation:

The period is calculated with this formula:

                   <u>2 π </u>

                     b

The absolute value is the distance between a number and zero, therefore the distance between zero and 7 is therefore 7; therefore we finally have:

Periodo:  

                                 

<u>2 π </u>

  7  

<u />

                         

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a home building contractor bought 4 2/8 acres for $165,000. What was the cost of each acre? (round to nearest dollar.)
pychu [463]

Answer: $38,824

Step-by-step explanation:

Convert the mixed number 4\ \frac{2}{8} as a decimal number.

Divide the numerator by the denominator and add it to the whole number 4. Then:

4+0.25=4.25acres

Then, knowing that 4.25 acres cost $165,000 , divide this amount by 4.25 acres to find the cost of each acre.

Therefore, you get that the cost of each acre rounded to nearest dollar is:

cost=\frac{\$165,000}{4.25}\\cost=\$38,824

6 0
3 years ago
Read 2 more answers
A school principal wants to know more about the number of students absent each day. He counts the number of students absent each
True [87]

Answer:

6.27

Step-by-step explanation:

We are to obtain the standard deviation of the given values :

{24, 18, 31,25, 34}

The standard deviation = √(Σ(x - mean)²/ n)

The mean = (ΣX) /n

Using calculator to save computation time :

The standard deviation, s = 6.27 (2 decimal places)

6 0
3 years ago
( this is my summer math homework, please help!)
Ilia_Sergeevich [38]

Using proportions, the selling prices are given as follows:

1. $46.92.

2. $15.29.

3. $17.16.

4. $20,280.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

To find the selling prices, we have to multiply the original prices by either 1.02(2% sales tax) or 1.04(4% sales tax), hence they are given as follows:

  • 1. 46 x 1.02 = $46.92.
  • 2. 14.99 x 1.02 = $15.29.
  • 3. 16.50 x 1.04 = $17.16.
  • 4. 19500 x 1.04 = $20,280.

More can be learned about proportions at brainly.com/question/24372153

#SPJ1

3 0
1 year ago
In art class,Kerion is coloring a pattern where half of the squares on her paper are being colored blue. Of the blue squares,1/3
kolbaska11 [484]
100% of Kerion's paper squares are:
 (100% / 100%) = 1
 Half of the squares of your paper are colored blue:
 (1) / (2) = 1/2
 Of the blue squares, 1/3 of them will also have stripes:
 (1/2) * (1/3) = 1/6
 answer
 A fraction of (1/6) squares will be blue with strips
7 0
3 years ago
How you save 6x-2=5x+29
dolphi86 [110]
6x-2=5x+29
6x-5x-2=29
x-2=29
x=31
3 0
2 years ago
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