Answer:
-0.584 rad/hr, rounded to the nearest 1000th
Step-by-step explanation:
Let D = D(t) = the horizontal distance from the observer to the plane at time t in units of km.
Let E = E(t) = the angle of elevation at time t in units of Radians.
Then, by geometry,
tan(E) = 16 / D, and furthermore, we have that
tan(E) = 16 * D^(-1)
d/dt (tan(E)) = d/dt ( 16 * D^(-1))
sec^2 (E) * dE/dt = 16(-1)(D^(-2)) * dD/dt
( sqrt(D^2 + 16^2) / D )^2 * dE/dt = -16 (D^(-2)) * dD/dt
(D^2 + 16^2)/D^2 * dE/dt = -16 (D^(-2)) * dD/dt
dE/dt = -16 (D^(-2)) * dD/dt * D^2 / (D^2 + 16^2)
dE/dt = -16 (dD/dt) / (D^2 + 16^2)
dE/dt = -16 (580 km/hr) / (125^2 + 16^2), at time t such that D(t) = 125 km,
dE/dt = (-9280 / 15881) rad/hr
dE/dt = -0.584 rad/hr, rounded to the nearest 1000th
Find the domain of y=-8x-3
Answer:
if i'm correct the question is asking what's -8 x 3= -24
Step-by-step explanation:
Sorry if i'm wrong! Hope this helps!
Plsssssss helppppp, this is geometry
Just to make your life easier I already have the final answer I just need the working/ explanation
Will mark brainliest
The answer is (x+4)² + y² = 16
x² + y² - 8x = 0
[reorder the terms]
x² - 8x + y² = 0
[to complete the square, add 16 to both sides]
x² - 8x + 16 + y² = 16
[write the expression as a product and 16 as an exponent]
x² - 2 × x × 4 + 4² + y² = 16
[using a² + 2ab + b² = (a + b)², factor the expression]
(x + 4)² + y² = 16
Since this equation can be written as
(x + p)² + (y - q)² = r², it represents a circle.
a warehouse holds 460 boxes. They ship out 65 boxes each week. After how many weeks will the warehouse have less than 100 boxes remaining?
It should take 6 weeks until the warehouse has less than 100 boxes remaining
The equation of a proportional relationship is of the form y=kx, where k is a positive number, and the graph is a line through (0,0). What would the graph look like if k were a negative number?
9514 1404 393
Answer:
see attached
Step-by-step explanation:
The graph of a line with negative slope goes down to the right. The line would still go through the origin. An example is attached.
what percent of the bottle of appple juice is water ?
Answer:
Apple juice is 88% water and 11% carbohydrates
Step-by-step explanation:
pls mark me brainliest and i hope this helped :)))
Answer:
10%
Step-by-step explanation:
apples are the potato that grows on trees and potato
Question:
w/2 - 6 = -10
Question:
3x + 3x -2x =12
[tex]1. \frac{w}{2} - 6 = - 10 \\ = > \frac{w}{2} = - 10 + 6 \\ = > \frac{w}{2} = - 4 \\ = > w = - 4 \times 2 \\ = > w = - 8[/tex]
[tex]2. \: \: 3x + 3x - 2x = 12 \\ = > 4x = 12 \\ = > x = \frac{12}{4} \\ = > x = 3[/tex]
Answers:1. w = -8
2. x = 3
-4=-3+d.
I need help with this question
Answer:
d= -1
Step-by-step explanation:
860.89 is what percent of 437?
Answer:
197
Step-by-step explanation:
1.97 = 437/860.89
1.97=197%
Can somebody please help me I don’t know what to do. Thank you
9514 1404 393
Answer:
see attached
Step-by-step explanation:
You are being asked to draw the reflection of the triangle DKW.
As with a reflection in a mirror, the reflected object appears to be as far behind the mirror as the original object is in front of the mirror.
When you reflect a point across a line, the image is as far from the line on the other side as the original point is from the line. When the line of reflection is a vertical line, as here (x = 0 = y-axis), the y-coordinates are unchanged.
Points W and K are 2 units to the right of the y-axis. Their reflections will lie on the same horizontal line, but will be 2 units to the left of the y-axis.
Point D is 5 units to the right of the y-axis, so its reflection will be 5 units to the left.
__
Additional comment
The original triangle and its reflection are symmetrical about the line of reflection.
At the fast food restaurant, an order of fries costs $1.09 and a drink costs $1.18. How much would it cost to get 3 orders of fries and 2 drinks? How much would it cost to get ff orders of fries and d drinks?
Answer:
5.63 Happy to Help :)
Step-by-step explanation:
Which is greater 5.055 or 5.5
Answer:
5.5 is greater than 5.055
you are welcome.
Answer:
The answer is 5.5
Find two irrational numbers and two rational numbers between 0.5 and 0.552.
Answer:
Rational: 0.51 and 0.52
Irrational: sqrt(.26) and sqrt(.27)
solve pls brainliest
Step-by-step explanation:
First of all, you will have to change 3.221 and 3.14 to a fraction by counting the number of figures behind the point. for example, if there are 2 figures behind the point it will be a hundred.change the mixed fraction to an improper fraction.Use the denominator(the numbersbelow) to check the least to the highest number.8/a^2-4b+7/a^2 and 15a^2 -10b +6b is equivalent explain your reasoning
Answer:
They are not generally equivalent.
Step-by-step explanation:
8/a² - 4b + 7/a² ?=? 15a² - 10b + 6b
combine like terms
15/a² - 4b ?=? 15a² - 4b
is only valid for a = ±1
1. (1000000 - 45589)
sinung makasagot number one nalang kailangan ko
Answer:
9,54,411 is the answers for the question
Step-by-step explanation:
please mark me as brainlest
Seven values are 3, 3, 3, 4, 5, 8 and x.
The mean of these seven values is equal to twice their mode.
Calculate the value of x.
. Find the midpoint of the following segments defined by the given endpoints.
(1,9) and (-2,5)
Answer:
1+-2/2
X=-1/2
9+5/2
Y=7
Midpoint
(-1/2 or 0.5,7)
How many full months are there from July 25, 2021 to November 28, 2021
?
Answer:
4 months and 3 days
Step-by-step explanation:
what’s the least common multiple of 30 50 and 200
Answer:
LCM of 30 and 50 is 150.
Step-by-step explanation:
Least to greatest 1/4, -3/7, -4/5, 2/3
-4/5,-3/7,1/4,2/3
Have a nice day!! :)
Answer: -4/5, -3/7, 1/4, 2/3
Step-by-step explanation:
you make a common denominator and out them in order
10x^2+4=0 solve using quadratic formula
Answer:
x=
5
1
i
x=−
5
1
i
Step-by-step explanation:
(10x)
2
+4=0
Expande (10x)
2
.
10
2
x
2
+4=0
Calcula 10 a la potencia de 2 y obtiene 100.
100x
2
+4=0
Resta 4 en los dos lados. Cualquier valor restado de cero da como resultado su valor negativo.
100x
2
=−4
Divide los dos lados por 100.
x
2
=
100
−4
Reduzca la fracción
100
−4
a su mínima expresión extrayendo y anulando 4.
x
2
=−
25
1
La ecuación ahora está resuelta.
x=
5
1
i
x=−
5
1
i
HELP ASAP!!!! I WILL GIVE BRAINLIEST!
Answer:
[tex]y = - 3x + b \\ 4 = - 3 \times ( - 2) + b \\ 4 = 6 + b \\ 4 - 6 = b \\ b = - 2[/tex]
Answer:
#1Substitute coordinates and sole for b:
y = -3x + b(x, y) = (-2, 4)4 = -3(-2) + b4 = 6 + bb = 4 - 6b = -2#2y = kxUse the point (2, 4) to find the coefficient k:
4 = 2k ⇒ k = 2Find the missing values:
x = -5 ⇒ y = 2(-5) = -10x = -1/2 ⇒ y = 2(-1/2) = -1x = 0 ⇒ y = 2(0) = 0y = 16 ⇒ x = 16/2 = 8y = 1/4 ⇒ x = (1/4)/2 = 1/8please help me with this sum
Answer:
532
497
424
942
865
456
922
676
446
432
help me pleaseeeeeeee
how many total ounces of chicken
Answer:
An average chicken breast weighs 174 g, or about 6 ounces (oz). But sizes vary from smaller cuts at around 4 oz, to larger ones at 8 to 10 oz. There's no right or wrong choice here. It really depends on what you're cooking and how much chicken you want.
Answer:
Step-by-step explanation:
Find the area of this figure. Round your answer to the nearest hundredth. Use 3.14 to approximate
Thank You.
Answer:
251.327
Step-by-step explanation:
8*10*pi= 251.327
I believe this might be the answer-
or it could possibly be-
92.566
8*10=80
8*pi /2 =12.566
12.566+80=92.566
Decrease 210000 by 40%
Answer: 99.981% decrease
Step-by-step explanation:
Hello! The question is in the picture and getting help would be greatly appreciated!
Answer:
1. y=13
2. y= -6
Step-by-step explanation:
hello there!
in no.1 we should ignore the sign of 1st +
and do the further process
in no.2 we need to multiply sign (-) from each down digits.. and after that ..we can do the further process
hope it helps!
What is x + 2^6 + 6(x - 19) if x = 12.7?
Answer:
38.9
Step-by-step explanation: