Answer: 203
Step-by-step explanation:
to find the area, you have to multiply the length of the sides together. 29x7 = 203
The table shows the number of cars sold per day at a dealership during a promotional sale.
What is the equation of the least-squares regression line, where Y hat is the predicted number of cars sold and x is the day? Round each coefficient or constant to the nearest tenth.
Answer:
We need the table
Step-by-step explanation:
Answer:
.1 ; 1.8x
y=1.8x + .1
==============
The next question, where it asks for "The table shows the number of kilograms a newborn pig weighs during its first week.
" is y=.18x + .96
[this is the next question and so fourth]
and for the one after this question with three options, it is:
21.12; 0.14; 35
then for the one after that one, it is:
64.6; -20.2; 28
then for the one after that one, it is:
(A) 5.2 + 2.2x scoring 1 point
then the one after that one, it is:
(D) 14.92 - 0.02x scoring 0 point
then the one after that one, it is:
r = .50
and last but least,
As budgets increased, the gross revenue increased; r = 0.62. (C)
==============
ED2021
here to fix statistics for you :)
A) By how many % did 40 increase to 70?
B) By how many % did 70 decrease to 40
Answer:
A. by 3 percent
B. by 3 percent
Answer:
A) 75% increase
B)42.8571% decrease
Step-by-step explanation:
The formula to do this is to subrtact the final value-starting value then divide by the starting value and finaly multiply by hundred
it should look like this
[tex]\frac{finalvalue-starting value}{starting value} *100[/tex]
Explain why there are infinitely many solutions to the equation
sin X = 1/2
Answer:
Well, everything can be turned into a half.
Step-by-step explanation:
A family on vacation records the time in hours) and the distance (in miles) that they travel. The data are shown in the scatter plot below.
Distance (miles)
YA
450
400
350
300
250
200
L
150
100
50
0
0 1 2 3 4 5 6 7 8 9
Time (hours)
Based on the scatter plot, the family travels miles in the first 3.5 hours.
If you answer with a link I will report you and get your account blocked
Answer:
In the first 3.5 hours, the family travelled 175 miles.
Step-by-step explanation:
We have the table:
time (hours) distance ( miles)
0 0
1 50
2 100
3 150
4 200
5 250
6 300
7 350
8 400
9 450
This seems like a linear relationship, let's write the general line:
y = a*x + b
That represents this situation, y is the distance in miles and x is the time in hours.
In the line equation, a represents the slope and b the y-intercept.
And if the line passes through the points (x₁, y₁) and (x₂, y₂), then the slope of the line is:
a = (y₂ - y₁)/(x₂ - x₁)
In this case we have a lot of points for the line, we can use any pair we want (we actually should use a few different pairs to see that the slope is always the same)
So if we use the first two (0, 0) and (1, 50)
the slope is:
a = (50 - 0)/(1 - 0) = 50
Now, if we use the third and fifth points (4, 200) and (5, 250) now the slope is:
a = (250 - 200)/(5 - 4) = 50/1 = 50
So we can conclude that the slope of the equation is a = 50
Then the equation is something like:
y = 50*x + b
To find the value of b, we can use any of the points of the line, for example (0, 0)
This means that when x = 0, y also must be 0, then:
0 = 50*0 + b
0 = b
Then the equation is:
y = 50*x
Now, to answer how many miles the family travelled in the first 3.5 hours, we just need to replace x by 3.5 in the equation:
y = 50*3.5 = 175
In the first 3.5 hours, the family travelled 175 miles.
Simplify for ez points!
Answer:A
Step-by-step explanation: divide both by 5 and you get 3/4 because 15 divided by 5 = 3 and 20 divided by 5 =4
PLEASE HELPPP, ITS DUE IN 1 HOUR!! I WILL GIVE BRAINLIEST!! LINKS=REPORT
PLEASE SOLVE FOR THE CHART AND GRAPH. PLEASE SHOW ON GRAPH
Answer:
Look below
Step-by-step explanation:
Ok Just Plug it in
For the chart
1:8
2:9
3:10
4:11
And then graph on desmos
You should the answer
Sorry if I am wrong.
Answer:
second graph
Step-by-step explanation:
When x=1,
y=1+7=8
When x=2,
y=2+7=9
When x=3,
y=3+7=10
When x=4,
y=4+7=11
Which of the following graphs corresponds to the following function?
Answer:
3
Step-by-step explanation:
PLEASEEEEEE HELP IM BEGGING SOMEONE PLEASEEEEE HELPPPPPPPPPPPPPP
Answer:
1.105°
angle relationship=vertical angles
2.112°
angle relationship=interior angles
Step-by-step explanation:
1.180-75=105
2.180-68=112
#Carry on Learning
HELP ME PLEASE MARK BRAINLIEST
Answer:
Carole's situation : 2x + 11y = 196
Michele's situation: 10x + 11y = 276
Step-by-step explanation:
If x = cost of 1 cupcake, then 2x = cost of 2 cupcakes and 10x = cost of 10 cupcakes, et.
If y = cost of 1 sugar cookie, then 11y = cost of 11 sugar cookies.
Carole's situation : 2x + 11y = 196
Michele's situation: 10x + 11y = 276
Find the greatest common factor of 12x and 15x^3”.
Find a formula for dy/dx if sin x + cos y + sec(xy) = 251
Answer:
[tex]\displaystyle \frac{dy}{dx} = \frac{-cos(x) - ysec(xy)tan(xy)}{-sin(y) + xsec(xy)tan(xy)}[/tex]
General Formulas and Concepts:
Pre-Algebra
Distributive Property
Algebra I
FactoringCalculus
Derivatives
Derivative Notation
Derivative of a constant is 0
Trig Differentiation
Derivative Rule [Chain Rule]: [tex]\displaystyle \frac{d}{dx}[f(g(x))] =f'(g(x)) \cdot g'(x)[/tex]
Implicit Differentiation
Step-by-step explanation:
Step 1: Define
Identify
sin(x) + cos(y) + sec(xy) = 251
Step 2: Differentiate
[Implicit Differentiation] Trig Differentiation [Chain Rule]: [tex]\displaystyle cos(x) - sin(y)\frac{dy}{dx} + sec(xy)tan(xy) \cdot (y + x\frac{dy}{dx}) = 0[/tex] [Subtraction Property of Equality] Isolate [tex]\displaystyle \frac{dy}{dx}[/tex] terms: [tex]\displaystyle -sin(y)\frac{dy}{dx} + sec(xy)tan(xy) \cdot (y + x\frac{dy}{dx}) = -cos(x)[/tex][Distributive Property] Distribute sec(xy)tan(xy): [tex]\displaystyle -sin(y)\frac{dy}{dx} + ysec(xy)tan(xy) + xsec(xy)tan(xy)\frac{dy}{dx} = -cos(x)[/tex][Subtraction Property of Equality] Isolate [tex]\displaystyle \frac{dy}{dx}[/tex] terms: [tex]\displaystyle -sin(y)\frac{dy}{dx} + xsec(xy)tan(xy)\frac{dy}{dx} = -cos(x) - ysec(xy)tan(xy)[/tex]Factor out [tex]\displaystyle \frac{dy}{dx}[/tex]: [tex]\displaystyle \frac{dy}{dx}[-sin(y) + xsec(xy)tan(xy)] = -cos(x) - ysec(xy)tan(xy)[/tex][Division Property of Equality] Isolate [tex]\displaystyle \frac{dy}{dx}[/tex]: [tex]\displaystyle \frac{dy}{dx} = \frac{-cos(x) - ysec(xy)tan(xy)}{-sin(y) + xsec(xy)tan(xy)}[/tex]Topic: AP Calculus AB/BC (Calculus I/II)
Unit: Implicit Differentiation
Book: College Calculus 10e
The elevation at ground level is 0 feet. An elevator starts 90 feet below ground level. After traveling for 15 seconds, the elevator is 20 feet below ground level. Did the elevator travel up or down? What was the speed (in ft per second) of the elevator in the 15 second interval?
This is due at 8am tomorrow please help me
unit used to measure humidity
What's the mean of {4,7,10}
Answer:
mean = (4 + 7 + 10 ) / 3
= 21 / 3
= 7
Step-by-step explanation:
Answer:
Average of 4,7 and 10:
Add all together 4+7+10=21
Then 21 divided by number of scores so 3.
21 divided by 3=7
So the mean is 7
1. The angle θ lies in Quadrant I.
sinθ=2/5
What is cosθ?
√−21/5
−2/5
√21/5
2/5
Answer:
2/5.......................
Find the roots of the following function:
y = x2 − 7x − 30
Answer:
x = 3, −10
Step-by-step explanation:
The roots (zeros) are the x values where the graph intersects the x-axis. To find the roots (zeros), replace y with 0 and solve for x.
I don’t know the answer and I need help fast
Answer:
15? Hehehehehehehehehe....
The circle below is
centered at (2, 3) and has a radius of 4. What is its equation?
Answer:
Step-by-step explanation:
The standard form of a circle is
[tex](x-h)^2+(y-k)^2=r^2[/tex] where h and k are the center of the circle and r is the radius. Filling in:
[tex](x-2)^2+(y-3)^2=16[/tex]
SOMEONE PLEASE HELP ME! I promise i will mark brainlest, but i need the right answer for this. help is much appreciated <3
Answer:
Y remains unchanged because y is still 7.
Enter the slope-intercept equation of the line shown below. Is it y=-3x+3 or is it y=3x+3??!!
Answer: The line is y=-3x+3
Step-by-step explanation:
Its decreasing by 3 shown in the line so it would -3 and the equation for the line would be y=-3x+3 as you said.
Can someone please help me with my homework
Answer:
a=-1 goes to the third graph (because it's negative so obviously it's a sad smile)
a=1 goes to the first graph
a=0.25 goes to the second graph
Step-by-step explanation:
The smaller the value of a, the wider the the parabola would be. If the value of a is large then the parabola becomes smol
I need a answer for this
Answer:
148 i think i’m not sure
Step-by-step explanation:
Answer:
Hello! answer: b = 24
Step-by-step explanation:
25 × 25 = 625 7 × 7 = 49 625 - 49 = 576 24 × 24 = 576 therefore b = 24 hope that helps!
Can you please help me by telling me which one is the answer and how do I solve to get the answer.
Thank you
( 3x - 12 / 9x^2 ) ÷ ( x - 4 / 3x ) =
( 3x - 12 / 9x^2 ) × ( 3x / x - 4 ) =
( 3 ( x - 4 ) / 3 × 3x × x ) × ( 3x / x - 4 ) =
( x - 4 / 3x × x ) × ( 3x / x - 4 ) =
( x - 4 ) × 3x / ( x - 4 ) × 3x × x =
1 / x
Thus the correct answer is option A .
a dime is dropped from a building at 1.024 ft . if the equation for height as a function of time is h(t)=-16t^2+ initial height where is t is time in seconds and h(t) is height in feet, how many seconds will it take for the dime to hit the ground?
Answer:
The dime hits the ground after 8 sec.
Step-by-step explanation:
Set h(t) = -16t^2 + h(0) equal to 0: -16t^2 + 1,024 ft = 0, or:
16t^2 = 1,024 ft, or:
t^2 = 64 ft^2
Then t = +8 sec
The dime hits the ground after 8 sec.
I NEED ANSWERS AND WORK ON THIS ASAP PLEASE!!!!!
If Angelina pics one marble from the bag without looking what is the probability that she will pick up black marble?
Answer:
i dont know how many balls there are
Name the angle and the intercepted arc.
Answer:
The angle formed is ∠LMK and the intercepted arc is LK.
Step-by-step explanation:
The given figure shows a circle of radius M. L and K are other points on the circle.
The distance from the center of the circle to a point on the circle is called radius.
LM and MK are the radius of the circle or
LM = MK
The angle formed is ∠LMK.
The intercepted arc is LK.
HELP!!!! ASAP
NO LINKS!!!!
Answer:
17.98
Step-by-step explanation:
We can use the sum of a finite geometric series formula(in the picture). We can start by plugging in what we have. As of now, we have the first term, 12 and by dividing a term by a previous term, we can tell that the common ratio, r is 1/3. Lastly, we can say that n is equal to 6, because we are looking for the sum of the first 6 terms. After substituting we get:
[tex]\frac{12 - 12*(\frac{1}{3})^6}{1-\frac{1}{3} }[/tex]
We can start by simplifying:
[tex]\frac{12-12(\frac{1}{729}) }{\frac{2}{3} }[/tex]
[tex]\frac{\frac{2916}{243} -\frac{4}{243} }{\frac{2}{3} }[/tex]
[tex]\frac{\frac{2912}{243} }{\frac{2}{3} }[/tex]
[tex]\frac{2912}{243}*\frac{3}{2}[/tex]
[tex]\frac{1456}{81}[/tex]
17.975308642
This can be rounded to 17.98
Answer:
17.98Step-by-step explanation:
Given:
a₁ = 12r = 1/3n = 6Find the sum:
Sₙ = 12(1 - (1/3)⁶)/(1 - 1/3) = 12(1 - 1/729) / (2/3) = 18(728/729) = 17.98 roundedSuma masurilor a doua unghiuri este egala cu 180(de grade). Determinati masura fiecarui unghi stiind ca unul dintre unghiuri are masura egala cu 20% din masura celuilalt unghi
Answer:
150 grados
30 grados
Step-by-step explanation:
Sea x la medida del primer ángulo
Sea la medida del segundo ángulo y
Según la pregunta;
x + y = 180 -------- (1)
De la segunda oración;
x = 0,2 años -------- (2)
Sustituyendo (2) en (1)
0,2 años + y = 180
1,2 años = 180
y = 180 / 1,2
y = 150 grados
Pero;
x = 0,2 años
Entonces
x = 0,2 (150)
x = 30 grados
Por eso;
y = 150 grados
x = 30 grados
what is mass and solid and gas