. Explain in words:
José says the graph represents Terrence skating up a hill and then down a hill What
do you say to José?
from motion detector

Answers

Answer 1

A motion sensor, sometimes known as a motion detector, is a piece of technology that use a sensor to find nearby individuals or objects. Any security system needs motion sensors as a crucial part. A sensor will alert your security system and, with newer systems, your cell phone when it senses motion.

How does a motion sensor function?

Active ultrasonic motion detectors emit ultrasonic sound waves, which bounce off surrounding objects and return to the source of emission. The sensor initiates and completes the required action, whether it be turning on a light or sounding an alert, when a moving object interferes with the waves.

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Related Questions

Write the correct equation for the following statement and then solve for the given number of
miles.


You decide to rent a limo for prom. The rate is $200 plus $5 per mile
traveled. Write an equation to calculate your total cost (c) at the end of
the evening for a given number of miles (m).




If you travel 45 miles what will be your total bill at the end
of the evening?

Answers

Answer:

  $425

Step-by-step explanation:

You want the cost of a 45 mile trip in a limo that costs $200 plus $5 per mile.

Mileage cost

The cost of each mile is $5, so the cost of 45 of them will be ...

  45 × $5 = $225

Total cost

There is a one-time charge of $200 added to the mileage charge, so the total cost will be ...

  total bill = $200 + mileage bill

  total bill = $200 +225 = $425

The total bill will be $425.

What whole number of 2 is 1024?

Answers

Step-by-step explanation:

?????

what are you trying to ask ?

2 × 512 = 1024

2¹⁰ = 1024

what exactly do you need ?

Help Me Please..!

[1st Person That Answer Will Get Brainlyest.]

Answers

List A i.e. |-6(5/7)|, |-6(3/7)|, |5(2/7) shoe the absolute value in order from greatest to the lowest.

What is absolute value?

Without taking direction into account, absolute value defines how far away from zero a certain number is on the number line. A number can never have a negative absolute value.

By deducting 1, you may determine the numbers' decreasing order. To write the numbers 10 to 6 in descending order, for instance, we would start with 10, the greatest number in the preceding series, and continue taking away 1 until we reached the lowest number.

There are 4 lists given from which it is obtained only list A is only in which the numbers are in descending order,

|-6(5/7)| = +6.71

|-6(3/4) = +6.42

|-5(2/7)} = +5.28

The numbers are in decreasing order as,

+6.71 > +6.42 > +5.28

Thus, list A i.e. |-6(5/7)|, |-6(3/7)|, |5(2/7) shoe the absolute value in order from greatest to the lowest.

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Given the recursive formula below, what are the first 4 terms of the sequence? A) 17, –6, –3, 0B) 17, 13, 9, 5C) 17, 19, 21, 23D) 17, 15, 13, 11

Answers

[tex]D)17,15,13,11[/tex]

Explanation

Step 1

we have the recursive formula

[tex]f(x)=\begin{cases}f(1)=17 \\ f(n)=f(n-1)-2\text{ if n }>1\end{cases}[/tex]

A recursive formula is a formula that defines each term of a sequence using the preceding term(s), we can see in the formula that the new term ( f(n)) equals the previous term minus 2

so

[tex]\begin{gathered} f(1)=17 \\ hence \\ f(n)=f(n-1)-2 \\ \text{for n=2} \\ f(2)=f(2-1)-2 \\ f(2)=f(1)-2 \\ f(2)=17-2=15 \\ so,\text{ the second term is 15} \end{gathered}[/tex]

and so on,

Now for n=3

[tex]\begin{gathered} f(n)=f(n-1)-2 \\ f(3)=f(3-1)-2 \\ f(3)=f(2)-2 \\ f(3)=15-2=13 \\ so,the\text{ second third terms i s13} \end{gathered}[/tex]

for n=4

[tex]\begin{gathered} f(n)=f(n-1)-2 \\ f(4)=f(4-1)-2 \\ f(4)=f(3)-2 \\ f(4)=13-2=11 \\ \text{hence, the fourth term is 11} \end{gathered}[/tex]

so, the answer is

D) 17,15,13,11

I hope this helps you


[tex](a - \frac{95 }{5} )^{2} - \frac{36}{25} m^{2} [/tex]
Please Evaluate ​

Answers

The answer is 2a - 38 - 36/25 m 2

Given f(x)=cosxf(x)=cosx, which function below doubles the amplitude and has a period of 3π3π?g(x)=3cos2xg of x is equal to 3 cosine 2 xg(x)=12cos2xg of x is equal to 1 half cosine 2 xg(x)=2cos2x3g of x is equal to 2 cosine 2 x over 3g(x)=3cos3x2g of x is equal to 3 cosine 3 x over 2

Answers

Answer:

[tex]g(x)=2\cos \frac{2x}{3}[/tex]

Explanation:

A cosine function is generally given as;

[tex]\begin{gathered} y=a\cos (b) \\ \text{where Amplitude }=|a| \\ \text{ Period }=\frac{2\pi}{|b|} \end{gathered}[/tex]

Given the below function;

[tex]f(x)=\cos x[/tex]

If we compare both functions, we'll see that a = 1 and b = 1.

If we need another function with double the amplitude, then the value of a in that function will be (a = 2 x 1 = 2).

If we're to have another function g(x), with a period of 3 pi, let's go ahead and determine the value of b in the second function;

[tex]\begin{gathered} \frac{2\pi}{b}=3\pi \\ 3\pi\cdot b=2\pi \\ b=\frac{2\pi}{3\pi} \\ b=\frac{2}{3} \end{gathered}[/tex]

Since we now have that for the second function g(x), a = 2 and b = 2/3, therefore g(x) can be written as below;

[tex]g(x)=2\cos \frac{2x}{3}[/tex]

Answer:

The derivation that correctly uses the cosine sum identity to prove the cosine double angle identity is A. A 2-column table with 3 rows. Column 1 has entries 1, 2, 3. Column 2 is labeled Step with entries cosine (2 x) = cosine (x + x), = cosine (x) cosine (x) minus sine (x) sine (x), = cosine squared (x) minus sine squared (x)

Step-by-step explanation:

It should be noted that the cosine difference identity is found by simplifying the equation by first squaring both sides.

Therefore, the derivation that correctly uses the cosine sum identity to prove the cosine double angle identity is that a 2-column table with 3 rows. Column 1 has entries 1, 2, 3. Column 2 is labeled Step with entries cosine (2 x) = cosine (x + x), = cosine (x) cosine (x) minus sine (x) sine (x), = cosine squared (x) minus sine squared (x).

In conclusion, the correct option is A.

Find the distance between the pair of points (-10,-3) and (6,-3)

Answers

we know that

the formula to calculate the distance between two points is equal to

[tex]d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}[/tex]

In this problem we have

(x1,y1)=(-10,-3)

(x2,y2)=(6,-3)

substitute in the formula

[tex]d=\sqrt{(-3+3)^2+(6+10)^2}[/tex][tex]d=\sqrt{(0)^2+(16)^2}[/tex]

d=16 units

the distance is 16 units

A company sells sneakers and has a revenue that can be represented by the function R(s) = 90s – s2, where s represents the number of pairs of sneakers sold. The sneaker company has a fixed cost of $1,500, and each pair of sneakers costs $30 to manufacture. Which of the following functions represents the profit P(s) of the sneaker company?

P(s) = – s2 + 120s + 1,500
P(s) = – s2 + 60s + 1,500
P(s) = – s2 + 120s – 1,500
P(s) = – s2 + 60s – 1,500

Answers

The function that can represent the profit P(s) of the sneaker company is D. P(s) = – s2 + 60s – 1,500.

What is a function?

Mathematically, a function shows a set of inputs that produce one output.

Functions have the domain (independent variable) and the codomain or range (dependent variable).

The domain is always the set of input values, while the range is the output value of the function.

Revenue function R(s) = 90s – s2

Fixed cost = $1,500

Variable cost per unit = $30

Profit = Revenue - Variable and Fixed Costs

Profit function P(s) = 90s – s2 - 30s - 1,500

= 60s - s2 - 1,500

or -s2 + 60s - 1,500

Thus, the correct profit function is Option D.

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A college believes that 22% of applicants to that school have parents who have remarried. How large a sample is needed to estimate the true proportion of students who have parents who have remarried to within 5 percentage points with 99% confidence?

Answers

Use the following expression for the number of elements of a sample, related to a certain proportion a Z-score:

[tex]n=(\frac{Z}{E})^2\cdot p\cdot q[/tex]

where,

p: percentage of applicants in decimal form = 0.22 (28%)

q = 1 - p = 1 - 0.22 = 0.78

E: percentage margin = 0.05 (5%)

Z-score for 99% confidence = 2.576 (found in a Z-score table)

Replace the previous values of the parameters into the formula for n and simplify:

[tex]n=(\frac{2.576}{0.06})^2\cdot0.22\cdot0.78\approx316[/tex]

Hence, approximately 316 students are needed for the sample.

Find the measure of the missing angle. *Don't worry about the degree symbol

Answers

this is an ange formed by two intersecting chords

then the missing angle is given by

[tex]\theta=\frac{1}{2}(arcCB+arcSD)[/tex][tex]\theta=\frac{1}{2}(191+55)[/tex][tex]\theta=\frac{1}{2}(246)[/tex][tex]\theta=123\degree[/tex]

the missing angle is 123°

Question
Solve.

−6.6x=−4

What is the solution to the equation?

Enter your answer as a simplified fraction in the box.

Answers

The solution to the equation would be 20/33 as a simplified fraction.

What is the solution for an equation?

The solution of an equation refers usually to the values of the variables involved in that equation which if substituted in place of that variable would give a true mathematical statement.

We have been given an equation as; −6.6x=−4

Thus we need to solve the equation to find the solution.

-6.6x = -4

Then Divide both sides by -6.6.

x = -4/(-6.6)

x = 40/66

x = 20/33

Hence, the solution to the equation would be 20/33 as a simplified fraction.

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a hybrid car can travel 45 miles on one gallon of gas. determine the amount of gas needed for a 500 miles trip

Answers

We have the following:

[tex]r=45\frac{m}{g}[/tex]

now, for 500 miles

[tex]\frac{500m}{45\frac{m}{g}}=11.11g[/tex]

therefore about 11.11 gallons of gas is needed

Answer: roughly 12 gallons or exactly 11.11111111111111111 etc

Step-by-step explanation:

Suppose that the annual rate of return for a common biotechnology stock is normally distributed with a mean of 5% and a standard deviation of 6%. Find the probability that the one-year return of this stock will be negative. Round to four decimal places.

Answers

Answer:   0.2023

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

Work Shown:

Compute the z score for x = 0.

z = (x - mu)/sigma

z = (0 - 0.05)/(0.06)

z = -0.83333 approximately

Then use a calculator to find that P(Z < -0.83333) = 0.2023

There's about a 20.23% chance of getting negative returns, i.e. the person will lose money on the investment.

A travel agent arranged a payment plan for a client. It required a down payment of $150 and 15 monthly payments of $657. What was the total cost of the plan?

Answers

Answer:

$10,005

Step-by-step explanation:

We need to find the total cost of the plan and we already know that the client need to pay $150 for downpayment and 15 monthly payments of $657.

So all we need to find is the 15 monthly payments of $657. (Which we could found with multiplying $657 with 15)

$657×15 = $9,855

Now we just add it with the downpayment ($150) to find the total cost of the plan.

$9,855+$150 = $10,005

You could write the steps like this:

$150+($657×15)=$10 005

graph (-3,2)(1,2)(8,2)(12,4)​

Answers

The graph for the given points is as below:

What is graph?

The link between lines and points is described by a graph, which is a mathematical description of a network. A graph is made up of some points and the connecting lines. It doesn't matter how long the lines are or where the points are located. A node is the name for each element in a graph.

The graph for the given points attached below.

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In a large school, it was found that 80% of students are taking a math class, 75% of student are taking an English class, and 67% of students are taking both. Find the probability that a randomly selected student is taking a math class or an English class. Write your answer as a decimal, and round to 2 decimal places if necessary. Find the probability that a randomly selected student is taking neither a math class nor an English class. Write your answer as a decimal, and round to 2 decimal places if necessary.

Answers

The probability that a randomly selected student is taking a math class or an English class is 0.88

And the probability that a randomly selected student is taking neither a math class nor an English class 0.12

In this question, we have been given in a large school, it was found that 80% of students are taking a math class, 75% of student are taking an English class, and 67% of students are taking both.

Let A represents math class, B represents English class

P(A) = 0.80

P(B) = 0.75

P(A ∩ B) = 0.67

We need to find the probability that a randomly selected student is taking a math class or an English class.

P(A U B) = P(A) + P(B) - P(A ∩ B)

P(A U B) = 0.80 + 0.75 - 0.67

P(A U B) = 0.88

Also, we need to find the probability that a randomly selected student is taking neither a math class nor an English class.

P(~(A U B) ) = 1 - P(A U B)

P(~(A U B) ) = 1 - 0.88

P(~(A U B) ) = 0.12

Therefore, the probability that a randomly selected student is taking a math class or an English class is 0.88

And the probability that a randomly selected student is taking neither a math class nor an English class 0.12

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juans dog Stan's two feet and 3 inches tall Peters dog stands 9 in tall how much taller is juans dog than Peters dog

Answers

To answer this question, we need to transform all the values into one type of measure. In this case, we can work with inches. Then, we have:

[tex]2ft\cdot\frac{12in}{1ft}=24in[/tex]

Then, we have that in two feet we have 24 inches. Then, we have:

Juan's dog: 24 inches + 3 inches ---> 27 inches tall.

Peter's dog: 9 inches tall.

Now, how much taller is Juan's dog than Peter's dog is:

[tex]\frac{\text{Juan's dog}}{\text{Peter's dog}}=\frac{27in}{9in}=3[/tex]

Therefore, Juan's dog is 3 times taller than Peter's dog.

When Mr. Jackson got in his car yesterday, the odometer read 187,198.9 km. When he got home, the reading was 187,399.4 km. How far did Mr. Jackson drive?

Answers

Answer:

200.5

Step-by-step explanation:

reading of odometer at beginning = 187,198.9 km

reading of odometer after reaching home = 187,399.4

distance travelled = 187,399.4 - 187,198.9 = 200.5 km

24. If a ream of paper (500 sheets) is 2.125 inches thick, how thick is one sheet of paper? Give your answer in scientific notation. (1) 1.0625 x 103 (2) 42.5 x 103 (3) 4.25 x 103 (4) 4.25 x 10-3 (5) 4.25 x 10-2

Answers

[tex]\begin{gathered} \text{thickness of each sh}eet\text{ is,} \\ t=\frac{2.125}{500} \\ t=0.00425 \\ t=4.25\times10^{-3} \end{gathered}[/tex]

The graph of a function g is shown below.
Find g (-2)

Answers

i believe its -5 because if you look at the x axis and go down on the y axis until the line is directly on a box it shows -5

Enter the answer in the space provided.Consider the functionWhat is the average rate of change of f(z) from z = 6toz=6?

Answers

To find the average rate of ch

[tex] \rm\int_{0}^{ \frac{\pi}{2} } \frac{1}{ \sqrt{1 - {sin}^{2} ( \frac{1}2) {sin}^{2} \varphi } } d \varphi \\ [/tex]​

Answers

This is an another elliptical integral, but of the first kind:

[tex]\displaystyle F(k) = \int_0^{\pi/2} \frac{dx}{\sqrt{1-k^2\sin^2(x)}}[/tex]

[tex]\implies \displaystyle \int_0^{\pi/2} \frac{d\varphi}{\sqrt{1-\sin^2\left(\frac12\right)\sin^2(\varphi)}} = \boxed{F\left(\sin\left(\frac12\right)\right)}[/tex]

Solve the equation below and find the variation constant, Find y when x=18, if y varies directly as x, and y=50 when x=13.

Answers

Answer:

• k=50/13

,

• y=69.231 (to the nearest 1000th)

Explanation:

If y varies directly as x, the equation of variation is:

[tex]y=kx,\text{ k=variation constant}[/tex]

When x=13 and y=50

[tex]\begin{gathered} 50=13k \\ k=\frac{50}{13} \end{gathered}[/tex]

Substituting k into the equation above, we have:

[tex]y=\frac{50}{13}x[/tex]

Therefore, when x=18

[tex]\begin{gathered} y=\frac{50}{13}\times18 \\ y\approx69.231 \end{gathered}[/tex]

Write the equation of a line in slope intercept form that has a
slope of
2/3 and has a
y-intercept of 10.

Answers

Answer:

y = 2/3 x + 10

Step-by-step explanation:

In the slope-intercept form, the equation for a line is expressed as follows: y = mx + b, where m represents the slope and b the y-intercept.

Hope this helps! \( ゚ヮ゚)/

Fowler inc, just paid a dividend of 2.55 per share on its stock. The dividends are expected to grow by 3.9% per year indefinitely. If investers require a 10.4% return on this stock what will the price be in 3 years, what will the price be in 15 years?

Answers

When Fowler inc, just paid a dividend, the price in 15 years for the share is $72.36.

How to calculate the price?

This will be illustrated as:

P0 = D1 / (Ke - g)

P0 = Current Price

D1 = Expected Dividend after 1 Year

Ke = COst of Equity

g = Growth Rate

Dividend for first year will be:

D1 = D0(1+g)

= $ 2.55 (1+0.039)

= $ 2.55(1.039)

= $ 2.6495

Current price will be:

P0 = D1 / (Ke - g)

= $ 2.6495 / (0.104-0.039)

= $ 2.6495 / 0.065

= $ 40.76

Price in 15 years will be

P15 = D16 / (Ke - g)

P15 = Price after 15 Years

D16 = Expected Div after 16 Years

Ke = COst of Equity

g = Growth Rate

D16 = D0(1+g)^16

= $ 2.55 (1+0.039)^16

= $ 2.55(1.039)^16

= $2.55 * 1.8444

= $ 4.7031

P15 = D16 / (Ke - g)

= $4.7031 / (0.104-0.039)

= $4.7031 / 0.065

= $72.36

The price is $72.36

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-10x - 2y = 28
y = -5x - 14

Answers

Answer:

parallel

(0, 0)

Step-by-step explanation:

I have no clue how to answer this so I'll do my best.

-10x - 2y = 28              y = -5x - 14

-2y = 10x = 28

÷-2    ÷-2   ÷-2

--------------------

y = -5x - 14

The lines are parallel

----------------------------------------------------------------------------------------------------------

I hope this helps!

Pre calc, easy answer, not the best WiFi sorry if I get disconnected

Answers

So,

First of all, we should remember the following:

In this case, we have the following transformation:

[tex]f(x)=\sqrt[]{x}\to g(x)=3\sqrt[]{x}[/tex]

As you can see, we're multiplying the function f by 3. So, this is an example of a vertical stretch of the function f by a factor of 3. So the answer is B.

Is the comparison true
8•1/11>8

Answers

Comparison of the given inequality ( 8.1 /11 ) > 8 is not true.

As given in the question,

Given inequality is :

( 8.1 /11 )> 8

Simplify the given inequality  ( 8.1 /11 ) > 8 to check the comparison is true or not.

(8.1 /11)> 8

Multiply both the sides of the given inequality by 11 we get,

( 8.1/11 ) × 11 > 8× 11

⇒ (8 .1) × ( 11/ 11) >88

(8.1 ) × 1 > 88

⇒ ( 8. 1) > 88

For the above inequality, it is not possible as 8 .1 is smaller than 88.

Therefore, comparison of the given inequality ( 8.1 /11 ) > 8 is not true.

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The height of a sand dune (in centimeters) is represented by cm, where is measured in years since . Find and , and determine what each means in terms of the sand dune. Give the values of and below, including units.

Answers

The height of the sand dune after 13 years is 324 cm. The rate of change height of sand dunes is - 8t.

Given the equation is -

f(t)=1000-4t²

f(13) = 1000 - 4 (13)²

= 1000 - 676

= 324 cm

f'(t) = - 8t

f'(13) = - 8(13)

= -104cm

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Complete Question -

The height of a sand dune (in centimeters) is represented by f(t)=1000-4t2 cm, where t is measured in years since 1995. Find f(13) and f'(13), and determine what each means in terms of the sand dune. Give the values of f(13) and f'(13) below, including units.

Arc length s. Central Angle 36 feet. π/2 radiansFind the radius r of a circle with an arc length s and a central angle 0.

Answers

The formula for determining the length of an arc is expressed as

length of arc = #/360 * 2 * pi * radius

where

# represents the central angle

From the information given

length of arc = 36

We would convert from radians to degree

1 pi rad = 180 degrees

pi/2 rad = 180/2 = 90 degrees

Thus, # = 90 degrees

The equation becomes

36 = 90/360 * 2 * pi * radius

36 = 0.25 * 2 * 3.14 * radius

36 = 1.57 * radius

radius = 36/1.57

radius = 22.93 feet

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