Answer:
Pythagoras theorem. 20^2 times 18^2 = distance^2
Calculus BC
A screenshot of the problem is attached.
Use properties of Logarithms to simplify the limit:
[tex]\lim_{x \to \0^+}[/tex]e^3/x(e^x+x)
Move the limit to the exponent:
e^x[tex]\lim_{x \to \0^+}[/tex]3/xln(e^x+x)
Rewrite as:
e^x[tex]\lim_{x \to \0^+}[/tex]3ln(e^x+x)/x
Move 3 outside the limit and applay L'hospitals rules to get the final answer e^6
The cost of a newspaper subscription includes a discounted initial week. Beatriz pays $55 for 7 weeks of the newspaper subscription and $100 for 12 weeks. What is the cost for the initial week of the newspaper subscription? *
Answer:
6
Step-by-step explanation:
Patio sets consisting of couches, umbrellas, and a firepit table are sold at a local furniture store, A set with 2 couches, an umbrella and a table are sold for $1875. A set with one couch and a table are sold for $1075. A set with 2 couches and an umbrella are sold for $1275What is the price of the table?
Answer:
[tex]T = 600[/tex]
Step-by-step explanation:
Represent the table with T, couch with C an umbrella with U
We have the following:
[tex]2C + U + T = 1875[/tex]
[tex]C + T = 1075[/tex]
[tex]2C + U = 1275[/tex]
Required
Determine the cost of a table
Make T [tex]the\ subject\[/tex] [tex]in\ the[/tex] first equation
[tex]T = 1875 - (2C + U)[/tex]
In the third equation, we have that: [tex]2C + U = 1275[/tex]
By substituting 1275 for 2C + U
[tex]T = 1875 - (2C + U)[/tex] becomes
[tex]T = 1875 - 1275[/tex]
[tex]T = 600[/tex]
Hence, a table costs $600
please tell me answer! i’ll give brainliest
Answer:
Answer: B. It is a perfect square
Step-by-step explanation:
Radical Expressions
Melissa multiplied [tex]\sqrt{a}[/tex] and [tex]\sqrt{b}[/tex] and got a rational number.
We are also given that a and b are both natural numbers. It means their product must be not only rational but also a natural number.
We can write that product like:
[tex]\sqrt{a} \cdot \sqrt{b}=\sqrt{a\cdot b}[/tex]
If the result is a natural number, then the product of a and b must be a perfect square. so the radical disappears.
Answer: B. It is a perfect square
Please help fast.
Answer the question below:
2х + Зу = 4
у + 3x = 6
PLEASE HELP!!
adding and subtracting complex numbers
1-) (12-3i)+(7+3i)
2-). (12+4i)-(3-7i)
Step-by-step explanation:
1) 19+i
2) 9-3i
hope this helps bro
Answer:
1. 19
2. 9 + 11i
Step-by-step explanation:
first problem:
first, we rewrite it and remove the parentheses.
12 - 3i + 7 + 3i
then, just remove the opposites and calculate.
19
second problem:
again, we rewrite and remove the parentheses.
12 + 4i - 3 + 7i
then, we calculate and collect like terms.
9 + 11i
Name the decimal: -9.938
Select the correct answer below:
negative nine and nine hundred thirty-eight ten-thousandths
negative nine and nine hundred thirty-eight hundredths
negative nine and nine hundred thirty-eight tenths
negative nine and nine hundred thirty-eight thousandths
Answer:
Negative Nine and Nine Hundred Thirty-Eight Thousandths
Step-by-step explanation:
Answer: i believe its the last answer
Step-by-step explanation:
Because in decimals theres tens place, 100s place, 1000s place, etc. going from left to right after the decimal point which is the "and" in the statement. In this decimal theres only 3 numbers after the decimal point so that means to goes to the 1000s place.
Quaddlateral CART is dilated with the center at the origin and a scale
factor of 6/5
Describe Quaddlateral CART and Quadrilateral C’A’R’T’by completing the
table below with the BEST answer
Answer:
Step-by-step explanation:
Rule for the dilation of a point by a scale factor 'k' about the origin is,
(x, y) → (kx, ky)
If the scale factor for the dilation is [tex]k=\frac{6}{5}[/tex],
Rule for the dilation,
A(x, y) → A'[tex](\frac{6}{5}x,\frac{6}{5}y)[/tex]
If the coordinates of point A' (Image) is given and we have to find the coordinates of point A (Preimage),
Rule for the dilation,
A'(x, y) → [tex]A(\frac{5}{6}x,\frac{5}{6}y)[/tex]
Quadrilateral CART Quadrilateral C'A'R'T'
(x, y) [tex](\frac{6}{5}x,\frac{6}{5}y)[/tex]
C(-5, 15) C'(-6, 18)
A(10, 5) A'(12, 6)
R(-20, -10) R'(-24, -12)
T(-25, 0) T'(-30, 0)
PLZZZ WILLL GIVEEEE BRAINLEASTTTT The record low for Florida is 2 degrees below zero Fahrenheit and was set on February 13, 1899. The record high is 109 degrees Fahrenheit and was set on June 29, 1931. Which pair of numbers shows these temperatures, in degrees Fahrenheit, written as integers?
2 and 109
2 and -109
-2 and 109
-2 and -109
Math question................
sup lol dont know this
Answer:
m<2 =49 M<1 and M<3 =131
Step-by-step explanation:
angle 4 and 2 are coungruent. So M<4=M<2
angles 1 and 3 are congruent. so M<1=M<3
M<1 +M<4=180. so 180-M<4=m<1
180-49=131
(4x+8)+(7x+3) help me!!!!
Answer:
Step-by-step explanation:
11x+11
Each cup costs $6 and each bowl costs $10.if you want to spend exactly $72,which equation in standard form models this situation.let c represent the number of cups you buy,and b represent the number of bowls you buy
Answer: 72=6c+10b
Step-by-step explanation:
2 - 3x = -x - 8 Solve for X
Answer:
X=5
Step-by-step explanation:
(step 1) 2 - 3x = -x - 8
-3x + 2 = -x -8
(step 2)
-3x + 2 = -x - 8
-3 + 2 - 2 = -x -8 -2
(step 3)
-3x = -x- 10
(step 4)
-3 + x = -x -10 +x
(step 5)
-2x = -10
Answer
x = 5
PLS ANSWER BOTH for more points :)
Answer:
Number 16 is C and number 17 is D
Step-by-step explanation:
Can I get my points love these kind of questions
Ehhh what is 2+2+9+9+0+2x0+2 dvided by 8 and 234898529 x 2340 i need a full explanation
Answer:
2+2=4
9+9+4=22
22+0=22
2×0=0
22+2=24÷8=3
Answer:
1. 0
2. 549662557860
Step-by-step explanation:
Well 2+2+9+9+0+2x0+2 is 0 because anything time 0 is 0 so then you do 0 divided by 8 which is 0. Then 234898529 x 2340 is 549662557860 is you add the commas then... 234,898,529 x 2,340 is 549,662,557,860
What is the cross-sectional area of a cement pipe 2 in. thick with an inner diameter of 5 ft? Use pie 3.14.
Answer:
1.60 [tex]ft^{2}[/tex]
Step-by-step explanation:
Assuming that this is a cylindrical pipe, the area can be determined by applying the formula for calculating the area of a circle.
i.e Area = [tex]\pi[/tex][tex]r^{2}[/tex]
So that,
for the inner part of the pipe,
r = [tex]\frac{diameter}{2}[/tex]
= [tex]\frac{5}{2}[/tex]
= 2.5 feet
Area of the inner part of the pipe = [tex]\pi[/tex][tex]r^{2}[/tex]
= 3.14 x [tex](2.5)^{2}[/tex]
= 19.625
Are of the inner part of the pipe is 19.63 [tex]ft^{2}[/tex].
Total diameter of the pipe = 5 + 0.2
= 5.2 feet
r = [tex]\frac{5.2}{2}[/tex]
= 2.6 feet
Area of the pipe = [tex]\pi[/tex][tex]r^{2}[/tex]
= 3.14 x [tex](2.6)^{2}[/tex]
= 21.2264
Area of the pipe is 21.23 [tex]ft^{2}[/tex].
Thus the cross sectional area = Area of the pipe - Area of the inner part of the pipe
= 21.2264 - 19.625
= 1.6014
The cross sectional area of the cement pipe is 1.60 [tex]ft^{2}[/tex].
PLEASE HELP!!!
what is the average rate of change of the equation: y=4x^2-10x+2, between f(3) and f(5)?
Answer:
Average rate of change=22
Step-by-step explanation:
We need to find the average rate of change of the equation: [tex]y=4x^2-10x+2[/tex]between f(3) and f(5).
The formula used to find average rate of change is: [tex]Average \ rate \ of \ change=\frac{f(b)-f(a)}{b-a}[/tex]
In the given question we have a=3 and b =5
Finding f(a) i.e f(3)
[tex]f(3)=4(3)^2-10(3)+2\\f(3)=4(9)-30+2\\f(3)=36-30+2\\f(3)=8[/tex]
Finding f(b0 i.e f(5)
[tex]f(5)=4(5)^2-10(5)+2\\f(5)=4(25)-50+2\\f(5)=100-50+2\\f(5)=52[/tex]
Putting values of f(3)=8 and f(5)=52 to find average rate of change
[tex]Average \ rate \ of \ change=\frac{f(b)-f(a)}{b-a}\\Average \ rate \ of \ change=\frac{52-8}{5-3}\\Average \ rate \ of \ change=\frac{44}{2}\\Average \ rate \ of \ change=22[/tex]
So, Average rate of change=22
need help once again!
Answer:
θ = cos-1 (38/47)
Step-by-step explanation:
sin θ = [tex]\frac{opposite}{hypotenuse} = \frac{27}{47}\\[/tex]
θ = sin-1 (27/47)
cos θ = [tex]\frac{adjacent}{hypotenuse} = \frac{38}{47}[/tex]
θ = cos-1 (38/47)
tan θ = [tex]\frac{opposite}{adjacent} = \frac{27}{38}[/tex]
θ = tan-1 (27/38)
The Valley High School student council is planning a dance. The
school has 480 students. The lowest possible ticket price is $3.00,
and they estimate that for every $0.20 increase in ticket price, 20 fewer
students will attend. What ticket price will maximize
the student council's profit?
SELECT ONE OPTION BELOW:
$4.20
$3.90
$3.50
$4.00
Answer:
$3.90
Step-by-step explanation:
its B
The price of the ticket at which the student councils will maximize the profit is $3.90.
Option B is the correct answer.
What is an expression?An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
Example: 2 + 3x + 4y = 7 is an expression.
We have,
Number of students = 480
Lowest ticket price = $3
Ticket price = $4.20
This means,
4.20 - 3 = 1.20
There is an increase of $1.20 which is 0.20 x 6 = $1.20.
The number of students who attended when the ticket price is $4.20.
= 480 - (6 x 20)
= 480 - 120
= 360
Profit:
= 360 x 4.20
= $1512
Ticket price = $3.90
This means,
3.90 - 3 = 0.90
There is an increase of $0.90 which is 0.20 x 4.5 = $0.90.
The number of students who attended when the ticket price is $3.90.
= 480 - (4.5 x 20)
= 480 - 90
= 390
Profit:
= 390 x 3.90
= $1521
Now,
Ticket price = $3.50
This means,
3.50 - 3 = 0.50
There is an increase of $0.50 which is 0.20 x 2.5 = $0.50.
The number of students who attended when the ticket price is $3.50.
= 480 - (2.5 x 20)
= 480 - 50
= 430
Profit:
= 430 x 3.50
= $1505
Now,
Ticket price = $4.00
This means,
4 - 3 = 1
There is an increase of $1 which is 0.20 x 5 = $1.
The number of students who attended when the ticket price is $4.20.
= 480 - (5 x 20)
= 480 - 100
= 380
Profit:
= 380 x 4.20
= $1520
We see that,
The profit is highest when the ticket price is $3.90.
Thus,
$4 ticket price will maximize the student council's profit.
Learn more about expressions here:
https://brainly.com/question/3118662
#SPJ2
In a logistic regression model, the predictor _________
a. is interval/ratio data.
b. must undergo a logarithmic transformation before undergoing logistic regression.
c. must be in the range of 0 to 1
d. represents ranked scores
e. must be a binary variable
Answer:
B. must undergo a logarithmic transformation before undergoing logistic regression.
Step-by-step explanation:
A logistic regression model allows us to establish a relationship between a binary outcome variable and a group of predictor variables. It models the logit-transformed probability as a linear relationship with the predictor variables.
what is 3/4 divided by 1/6
0 3
0 4
0 4 1/12
0 4 1/2
Answer:
c
because i just did the test
What’s the product of 6/11 x 5/6
Answer:
5/11
Step-by-step explanation:
6 × 5
11 × 6
=
30/66
To simplify, do
30 divided by 6 = 5
66 divided by 6 = 11
Giving you the answer, 5/11.
2 rectangles are similar below find legemth in y meters
Where are the rectangles????
Write your answer anywhere in the open area of each question
1)
The tape diagram models the lengths of two snowboarding trails. The beginner trail is
200 meters long. How long is the expert trail?
Beginner Trail
Expert Trail
The expert trail is
meters long
2)
The length of the expert trail is 800 meters. We can find our answer by using given tape diagram and simple mathematical calculations.
What is tape diagram?
A tape diagram is a visual model resembling a piece of tape, that is used to assist with the calculations of ratios and addition, subtraction and commonly multiplication.
Here,
Length of the Beginner trail is 200 meters
And also expert trail is 4 times to Beginner trail.
So, Expert trail = 4 * Length of beginner trail.
Expert trail = 4* 200
= 800 meters.
Hence, we get the answer.
Learn more about tape diagram using the link:
https://brainly.com/question/26372029
#SPJ1
After five science tests, Sonya's average score
is 89. If she gets a 95 on the sixth test, what is
her new average?
A. 89.50
B. 89.90
C. 90.00
D. 90.50
Answer:
d d ddddddddddddddddd
Aye help me out here pleaseee
you move up 5 units. you end at (3,5) where did u start ?
Answer:
(-2,5)
Step-by-step explanation:
The Wright family and the James family each used their sprinklers last summer. The water output rate for the Wright family's sprinkler was 40 L per hour. The
water output rate for the James family's sprinkler was 20 L per hour. The families used their sprinklers for a combined total of 50 hours, resulting in a total
water output of 1300 L. How long was each sprinkler used?
Answer:
3.5 hrs
Step-by-step explanation:
A radio station require DJ's to play 2 commercials for every 10 songs they play. What is the unit rate of songs to commercials?
Answer:
the unit rate is 12 or 67