Consider the following sine regression model
y = 18.614 sin(0.521x - 1.984) + 76.900
Predict the value of y if x equals 30.

Answers

Answer 1

Answer:

93.3

Step-by-step explanation:

I got it right


Related Questions

If you can please help.

Answers

The slope is 2 and the y intercept is 4.

Slope =y2-y1/x2-x1
4- -2 = 6
0-3 = 3
6/3=2

please help me please

Answers

Answer:

the answer is 70

Step-by-step explanation:

Because I'm in collage I know this stuff just trust me here

(x^7 + 3x^6 - x^2 + 4) + (3x^7 - x^4 + 3x^2 - 9) add

Answers

4x^7 + 3x^6 - x^4 + 3x^2 - 5

Answer:

4x^7 + 3x^6 - x^4 + 2x^2 - 5

Factor the expression: 14x + 21y – 7z

Answers

Answer:

7 ( 2x + 3y - z)

Step-by-step explanation:

To factor this expression, you need to find the GCF, which is 7.

7 ( 2x + 3y - z)

Answer:

7(2x+3y-z)

Step-by-step explanation:

You have to factor by graphing !

Identify the error in the student solution shown below. Find the correct answer

Answers

Answer:

question please can't see any question

someone help!!!
-16x³y+2x³y-x³y

Answers

-16x^3y+2x^3y-x^3y= 15x^3y

Answer:

- 15x^{3} y

Step-by-step explanation:

[tex] - 15x ^{3} y[/tex]

[tex] - 16x^{3} y \: + 2x ^{3} y \: - x ^{3} y \\ \\ - 16x ^{3} y + x^{3} y \: = \: - 15x^{3} y[/tex]

PLZ HELP ME :( you can pick both neither of one of the triangles

Answers

Answer:

a and B are same

Step-by-step explanation:

just imagine in your brain you flip the triangles so the A and B both look the same. Dont they?

A and b since this is is lol

Can someone give me the correct answer to this question.

I will mark you brainliest for the correct answer.

The answer choices are at the bottom of the pick.

This is a big test.

Please help!!!

Answers

Answer:

Step-by-step explanation:

Supplementary

180-112= 68

alternate exterior

112

Answer:

∡4 and ∡3 are supplementary

∡3 = 68°

∡5 is an alternate-exterior to ∡4

∡5 = 112°

Step-by-step explanation:

Find the perimeter of the figure to the nearest hundredth.

Answers

Answer:

42.84cm

Step-by-step explanation:

The perimeter is the sum of all the side length and the circumference of the semicircle

circumference of the semicircle = 2πr/2 = πr

circumference of the semicircle = 3.14 * (12/2)

circumference of the semicircle = 3.14 * 6

circumference of the semicircle = 18.84cm

Perimeter of the figure = 10cm + 6cm + 8cm + 18.84cm

Perimeter of the figure = 42.84cm (to nearest hundredth)

Erika is painting a rectangular painting. The painting has a length of 12 and a width of 10 inches. Use the Distributive Property to decompose the factor 12. Then find the area of the painting.

Answers

Given:

Length of the painting = 12 inches

Width of the painting = 10 inches

To find:

The area of the rectangular painting by using Distributive Property to decompose the factor 12.

Solution:

The area of a rectangle is

[tex]A=length\times width[/tex]

So, the area of the rectangular paining is

[tex]A=12\times 10[/tex]

Using Distributive Property to decompose the factor 12, we get

[tex]A=(10+2)\times 10[/tex]

[tex]A=(10\times 10)+(2\times 10)[/tex]

[tex]A=100+20[/tex]

[tex]A=120[/tex]

Therefore, the area of the rectangular painting is 120 square inches.

Someone help Duane scored 55 points in the last basketball game, which is 10 points more than his previous personal best. LeBron scored 15 points more than Chris in the same game. LeBron scored the same number of points as Dwayne‘s previous personal best. Let D represent the number of points Dwayne scored during his previous personal best and C Represent the number of crest points. Question: how many points did Chris score during the game? If these are the only three players who scored, What was the teams totals number of points at the end of the game?

Answers

Answer:

130 points

Step-by-step explanation:

Given

[tex]Scorers: Duane,\ LeBron\ \&\ Chris[/tex]

[tex]D=Dwayne[/tex]

[tex]C = Chris[/tex]

[tex]L = LeBron[/tex]

So, we have:

[tex]L = 15 + C[/tex] --- 15 more than Chris

[tex]L =D -10[/tex] --- Same as Dwayne previous personal best

[tex]D = 55[/tex] -- Dwayne's point

Required

Find the total points

We have:

[tex]L = 15 + C[/tex]

[tex]L =D -10[/tex]

[tex]D = 55[/tex]

Substitute [tex]D = 55[/tex] in [tex]L =D -10[/tex]

[tex]L = 55 - 10[/tex]

[tex]L = 45[/tex]

Substitute [tex]L = 45[/tex] in [tex]L = 15 + C[/tex]

[tex]45 = 15 + C[/tex]

[tex]C =45 -15[/tex]

[tex]C =30[/tex]

So, we have:

[tex]D = 55[/tex]

[tex]L = 45[/tex]

[tex]C =30[/tex]

The total points is calculated as:

[tex]Total = D + L + C[/tex]

[tex]Total = 55 + 45 + 30[/tex]

[tex]Total = 130[/tex]

help me plssss lsss i really need help today like today today

Answers

Answer:

1. Reflection across the x-axis:

  1) (-2,-2)

  2) (-1,-4)

  3) (3,-4)

2. Reflect across the y-acis:

  1) (-1,-3)

  2) (-2,1)

  3) (-4,1)

Brainiest PLZZZ

what is 7 as a mixed number in the simplest form?

Answers

Answer:

7 is the simplest form. A mixed number needs a fraction

Step-by-step explanation:

Answer:

7/1

7

Step-by-step explanation:

8 is added to a number

Answers

Answer:

what the question?

Step-by-step explanation:

Triangle LMN has vertices at L(0, 0), M(0,4), and N(-3,0). The triangle will be rotated 270° counterclockwise about the origin. What will
be the coordinates for point N'?
A (-3,0)
B. (0,-3)
C (0, 3)
D (3, 0)

Answers

[tex]\mathfrak{\huge{\orange{\underline{\underline{AnSwEr:-}}}}}[/tex]

Actually Welcome to the Concept of the mirror reflection.

Since the image of triangle is reflected along Y-axis,hence the coordinates of N after 270° rotation are

N ==> ( 3,0)

===> Option D.) is correct

Answer:(3,0)

Step-by-step explanation:

D

Solve the system using a matrix.
4x +
2y = 12
3x - y = -16
([?],[ ]

Answers

☁️ Answer ☁️

(-2, 10)

Hope it helps.

Have a nice day noona/hyung  ̄▽ ̄

HURRY NEED HELP ASAP


The following information is known about a loan.

Time = 8 years
Interest rate = 14%
Principal = $1,010

What is the total amount of simple interest that is earned?
$113.20
$1,131.20
$11,311.20
$113,112.00

Answers

I=p*r*t
The answer is 1131.20

Answer:

1,131.20

Step-by-step explanation:

I=prt

1,010*0.14*8

x is greater than 15 Question 7 options: x>15 x<15 x≥15 x≤15 please nowwwww

Answers

Answer:

x>15

Step-by-step explanation:

it eats the bigger number

PLS HELP ME WITH THIS
An express bus and local bus start out at 1rst street together. The express bus stops every 15 blocks. The local bus stops every 4 blocks. How many blocks will it be before there is a bus stop where both buses stop?
HELPPP

Answers

Answer:

Block 60

Step-by-step explanation:

15 x 4 = 60

can somebody help.................

Answers

Answer:

y=2x+2

Step-by-step explanation:

Answer:

y=2x+2 is the answer

Step-by-step explanation:

hope this helped!! :D

Bicycle rental on the sea well at the beach cost a mandatory minimum of $5 for the first hour and then $4 for each additional hour

Answers

Answer:

12.8x + 20

Step-by-step explanation:

I have the same question and i figured it out so here you go!!!

The table shows the results of a survey of 100 people selected at random at an airport. Find the experimental probability that a person selected at random is going to City B.

The experimental probability that a person selected at random is going to City B is __

Answers

Answer:

3/50

Step-by-step explanation:

The experimental probability that a person selected at random is going to City B is 19/50.

What is the experimental probability?

Experimental probability is a probability that is determined on the basis of a series of experiments.

The table shows the results of a survey of 100 people selected at random at an airport.

The total number of responses is;

= 24 + 38 + 14 +22 +2

= 100

The experimental probability that a person selected at random is going to City B is given by;

[tex]\rm Probability =\dfrac{Responses \ from \ city \ B}{Total \ responses}\\\\ Probability =\dfrac{38}{100}\\\\ Probability =\dfrac{19}{50}[/tex]

Hence, the experimental probability that a person selected at random is going to City B is 19/50.

Learn more about probability here;

https://brainly.com/question/16633528

#SPJ2


I'm a quadrilateral with only 1 pair of parallel sides. Which shape am I?

Answers

answer:

haha my teacher saw my screen ( since im in-school ) and he said that you were a trapezoid

i would have answered this question in more detail but i didnt know how to, hope this help tho! :)

Kara runs two laps around a track. It takes her 51.495 seconds to complete her first lap and between 53 and 54 seconds to complete her second lap. Her total time for both laps is a whole number of seconds. How long, in seconds, does Kara take to complete her second lap?

Answers

Answer:

I believe the answer is 53.505 seconds.

Answer:

53/505

Step-by-step explanation:

Remark

You know that the time must be 53. something for the second lap. If the total of the first and second lap is a whole number, then all you need do is add something to 0.495 to get a whole number.

Method

What you have to do is add 1 - 0.495 to get the decimal to add to 53.

1 - 0.495 = 0.505 which will give you a whole number.

Answer

The answer then is 53.505

Check

51.495

53.505

105.000 seconds total


The length of a rectangle is 4 meters less than
wice its width. The area of the rectangle is 70.
Find the dimensions of the rectangle.

Answers

Answer:

280

Step-by-step explanation:

can someone help me with this question please​

Answers

Answer:

-5/4

Step-by-step explanation:

A(0,-1)

B(-4,4)

[tex] \frac{4 + 5}{ - 4 - 0} = - \frac{5}{4} [/tex]

What is the approximate volume of the cylinder? Use 3.14 for it.​

Answers

Answer:

226.08 cm^3 since volume

Step-by-step explanation:

Answer:

452.39

Step-by-step explanation:

The formula for volume is V=πr2h so you would add your numbers in and multiply (V=πr2h=π·42·9≈452.38934)

PLEASE HELP I WILL MARK BRAINLIEST!!
After a parade there were 4 tons of trash to be picked up. By the end of the
day, volunteers had picked up 7,200 pounds of trash. Hon marvy pounds of trash
were still left to be picked up at the end of the day

Answers

1 ton equals 2000 pounds
7200/2000 = 3.6 tons
.4 tons is left to pick up
2000 x .4. = 800 pounds left to pick up

4 1/2 years Is ___ months

Answers

Answer:

53.9999 months!

Step-by-step explanation:

:D

The question is in the pic please be specific

Answers

box 1) (LxW) 20x6=120
box 2) (LxW) 15x4=60
box 1 cost) (size of box x price of box) 120x1.25=150
box 2 cost) (size of box x price of box) 60x1.25=75
subtract 150 and 75 to get 75

answer: the company is saving $75 by choosing to make 50 of box 2 instead of 50 of box 1

hope this makes sense comment if you need more explanation
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