Karl starts the engine on his small private airplane. The engine drives a propeller with a radius of 9 feet and its centerline 12.5 feet
above the ground. At idle, the propeller rotates at a constant speed of approximately 750 revolutions per minute. The height of one
propeller tip as a function of time is given by h = 12.5 + 9 sin(7501), where h is the height in feet and t is the time in minutes. Find h
when t= 3.5 minutes.
Answers
Answer: The height of one propeller tip is 3.68 feet when t= 3.5 minutes.
Step-by-step explanation:
Given: The height of one propeller tip as a function of time is given by [tex]h = 12.5 + 9 sin(750t)[/tex]), where h is the height in feet and t is the time in minutes.
Put t = 3.5 , we get
[tex]h=12.5 +9 \sin (750\times3.5)\\\\=12.5+9\sin (2625)\\\\=12.5+9(-0.9802)\\\\=12.5-8.8218=3.6782\approx3.68[/tex]
Hence, The height of one propeller tip is 3.68 feet when t= 3.5 minutes.
Answer:
A. 21.1
Step-by-step explanation:
Below is a picture that states that 21.1 is indeed the correct answer.
Related Questions
1/4 of what equals 6
Answers
Answer:
24
Step-by-step explanation:
1/4×6
4×6=24
=24
HOPE it HELPS you
Answer:
24
Step-by-step explanation:
[tex]\frac{1}{4}[/tex] of x = 6
x is the unknown value
[tex]\frac{1}{4}[/tex] × x = 6
1x = 6 × 4
x = 24
∴ [tex]\frac{1}{4}[/tex] of 24 equals to 6
How much higher is -200m than 450m
Answers
Answer:
650
Step-by-step explanation:
its ez trust
Answer:
10826
Step-by-step explanation:
hdsjsjdbebevehejejhehd
anyone doing epic bright thinker
Answers
Read the excerpt from "The Tell-Tale Heart."
Which statement best explains how the reader can
determine that the narrator is unreliable?
But you should have seen me. You should have seen
how wisely I proceeded—with what caution—with what
foresight—with what dissimulation I went to work! I was
never kinder to the old man than during the whole week
before I killed him. And every night, about midnight, I
turned the latch of his door and opened it-oh so
gently! And then, when I had made an opening
sufficient for my head, I put in a dark lantern, all closed,
closed, that no light shone out, and then I thrust in my
head. Oh, you would have laughed to see how
cunningly I thrust it in!
O The narrator is very kind to the old man during the
whole week before the murder.
O The narrator checks on the old man every night at
midnight to ensure his well-being.
O The narrator closes the lantern tightly so the old
man is not awakened by the bright light.
O The narrator believes that his audience will approve
of and even laugh at his plot to murder the old man.
Answers
Answer:
The narrator checks the old man at every night at midnight
Step-by-step explanation:
1. a group of friends went to the movies, and the three guys each bought two tickets (t), a popcorn (p) and two drinks (d) for themselves and their dates.
After distributing, we can represent this situation with the expression. __________________.
Answers
Answer:
6t + 3p + 6d
Step-by-step explanation:
Given - A group of friends went to the movies, and the three guys each
bought two tickets (t), a popcorn (p) and two drinks (d) for
themselves and their dates.
To find - After distributing, we can represent this situation with the
expression.
Proof -
As given , three guys each bought two tickets (t), a popcorn (p) and two drinks (d) for themselves and their dates.
Let ticket = t
popcorn = p
drink = d ,
Then,
The expression becomes -
3[2t + p + 2d ] = 6t + 3p + 6d
∴ we get
We can represent this situation with the expression - 6t + 3p + 6d
File attached
Please help me
Answers
Answer:
c
Step-by-step explanation:
The scatter plot shows the weight of a child each month.
The birth weight of the child is ?
kilograms. The child gains an average of
? per month
The first ? options
-0
-3
-3.5
The second ? options
-0.5
-1
-1.5
Answers
Answer:
3.5
0.5
Step-by-step explanation:
................
Deidre goes out for lunch and realizes that she only has $10 with her. If she wants to leave a 20% tip and knows she will have to pay 5% tax on her lunch, what is the most expensive lunch she can order?
Answers
Answer:
$7.60
Step-by-step explanation:
10 decrease 20% =
10 × (1 - 20%) = 10 × (1 - 0.2) = 8
8 decrease 5% =
8 × (1 - 5%) = 8 × (1 - 0.05) = 7.6
Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. Release your mouse button when the item is place. If you change your mind, drag the item to the trashcan. Click the trashcan to clear all your answers.
Complete the following proof.
Given: Two concentric circles with AB tangent to smaller circle at R
Prove: AR = RB
Answers
Step-by-step explanation:
The statements are
1.Draw Oa,Ob
2.OR is perpendicular to AB
3.OR is congruent to OR
4.OA is congruent to OB
5.Triangle AOR is congruent to BOR.
6.AR is congruent to AB.
The reasons are
1.Auxalaritly lines
2 Radius are perpendicular to tangent
3.Reflexitive
4.Radii of same circle are equal
5.HL theorem, (since we know hypotenuse and a leg)
6.CPCTC
What is the value of x in the equation x + 10 = 13?
O-3
03
0 13
O 23
Answers
Answer:
3
Step-by-step explanation:
x+10=13
x+10-10=13-10
Simplfiy
x=3
Hi! Your answer is x = 3.
Please see an explanation for a clear and better understanding to your problem.
Any questions about my answer and explanation can be asked through comments! :)
Step-by-step explanation:
Our goal is to find the value of x. That means what we have to do is to isolate x-term first.
[tex]\huge{x+10=13}[/tex]
To isolate a variable means that to make a variable as a subject or also known as leaving a variable alone. To isolate the x-term for this problem, simply subtract both sides by 10 so we can get rid of 10 from the left side.
[tex]\huge{x+10-10=13-10}\\\huge{x+0=3}\\\huge{x=3}[/tex]
If you are not sure that the answer is correct or not. We can substitute the value of x in the equation.
[tex]\huge{x+10=13}[/tex]
Substitute x = 3 in the equation.
[tex]\huge{3+10=13}\\\huge{13=13}[/tex]
The equation is true for x = 3. Hence, we can conclude that x = 3 is the solution to the equation.
Carlos is a business marketer. He earns $28.75 per hour. He works 3934 hours. What is
his straight-time pay?
Answers
Answer:
113,102.5Step-by-step explanation:
19/24 as a decimal rounded to the nearest hundreths
Answers
Answer:
0.79
Step-by-step explanation:
19 / 24 is 0.79166667
So it's 0.79
Answer:
0.79
Step-by-step explanation:
You roll a six-sided die numbered 1-6. What is the probability of a multiple of 3?
Experimental or Theoretical?
Answers
Answer:
1/3
Step-by-step explanation:
n(e)/n(s)
n(3)/n(6)
3/6
1/2
PLEASE HELP OH GOD ILL GIVE BRAINIEST HELP PLEASE NOW
Answers
Answer:
1) non linear since linear is a straight line , 2) Line B , 3) Weak negative
Step-by-step explanation:
please, help me with my geometry:)
Answers
Answer: 8.9443
Step-by-step explanation:
21 meters is the same as how many feet?
Hint: 1 m ≈ 3.3 ft
Round your answer to the nearest tenth.
Answers
Answer:
69
Step-by-step explanation:
3.3x21=69.3
Catherine is adding fractions for her homework. Here is some of the work that Catherine has done. 2/3 + 3/5 = 5/8. In the space below, explain the error that Catherine made when adding.
Answers
Step-by-step explanation:
2/3+3/5
=10+9/15
=19/15
The mistake she made was that she didn't took right LCM.
The value of the fraction 2/3 + 3/5 is 19/15.
What is a fraction?A fraction is written in the form of a numerator and a denominator where the denominator is greater that the numerator.
Example: 1/2, 1/3 is a fraction.
We have,
2/3 + 3/5
= (10 + 9)/15
= 19/15
Thus,
The value is 19/15.
Learn more about fractions here:
https://brainly.com/question/24370499
#SPJ5
An artist builds a sculpture out of metal and wood that weighs 14.4 kilograms. 3/4 of this weight is metal, and the rest is wood. How much does the wood part of the sculpture weigh?
Answers
Answer: weight of wood part = 3.6 kilogram.
Step-by-step explanation:
Sculpture made of both metal and wood = 14.4 kilogram
Weight of metal=3/4 of 14.4 kilogram
which means the weight of metal = 3/4 x 14.4kg= 10.8kg
Since the rest is wood, we can say that
weight of wood = Total weight - weight of metal
= 14.4 kilogram- 10.8 kilogram= 3.6 kilogram
Answer i think 3.6
Step-by-step explanation:
divide 220 in the ratio 3:8
Answers
Answer:
500/(7+3)=50; 3*50=150, 7*50=350. 150:350=3:7
Step-by-step explanation:
o Ayan sinolve kayan geh pa follow po
220 is divided in the ratio 3:8 as 60 and 160 respectively.
What is the ratio?The ratio is defined as the comparison of two quantities of the same units that indicates how much of one quantity is present in the other quantity.
The given ratio is 3:8 and the number is 220.
Here, 3+8=11
Now, 3/11 ×220
= 3×20
= 60
8/11 ×220
= 8×20
= 160
Therefore, 220 is divided in the ratio 3:8 as 60 and 160 respectively.
To learn more about the ratio visit:
brainly.com/question/13419413.
#SPJ6
HELP ME PLEASEEE!!
8TH GRADE MATHH
Answers
Answer:
45
Step-by-step explanation:
Look at the line which says x and 135⁰
they add up to 180
SO,
x+135=180
×=180-135
x=45
I will give you stuff if you answer correctly
Answers
Which phrase describes a nonlinear relationship?
a. The distance traveled by a car moving at constant speed in relation to time
b. The perimeter of a square in relation to the side length.
c. The cost of gasoline in relation to of the number of gallons purchased
d. The area of a circle in relation to the radius.
Answers
Answer: b. The perimeter of a square in relation to the side length.
I hope this helps you :)
What is the product of (x+3)(x-3)=7
Answers
Answer:
Step-by-step explanation:
What you have here is an equation with two roots. The "product" is (x + 3)(x - 3), which comes out to x^2 - 9.
Thus, you have x^2 - 9 = 7, or x^2 - 16 = 0, and the roots of that are {-4, 4}.
a marathon runner completes a 42km course at an average speed of 7km/h calculate the time taken to complete the course.
Answers
Answer:
6 hours
Step-by-step explanation:
42/7=6h
The area and length of a rectangle are given below. Find the w, the width.
Answers
Answer:
1.5
Step-by-step explanation:
yaaa
This is the same as 1.5 feet and it is equivalent to the improper fraction 3/2.
============================================================
Explanation:
Let's convert the given mixed numbers into improper fractions.
A = 5 & 1/3 = 5 + 1/3 = 15/3 + 1/3 = (15+1)/3 = 16/3
L = 3 & 5/9 = 3 + 5/9 = 27/9 + 5/9 = (27+5)/9 = 32/9
So the area and length are 16/3 and 32/9 respectively.
-------------------
Let's solve for the width W
area = length*width
A = L*W
16/3 = (32/9)*W
9*(16/3) = 9*(32/9)*W ..... multiplying both sides by 9
48 = 32W
32W = 48
32W/32 = 48/32 ....... dividing both sides by 32
W = 48/32
W = (32+16)/32
W = 32/32 + 16/32
W = 1 + 1/2
W = 1 & 1/2 feet is the width
This is equivalent to 3/2 since 48/32 = 3/2
It's also equivalent to 1.5 because 3/2 = 1.5
does anyone know all the real solutions to this equation?
Answers
Answer:
this problem isn't recognized, please make sure the input is complete!
Step-by-step explanation:
Need help with this asap!
Answers
Answer:
1. m
Coefficient: 1
Variable: m
Degree: 1
Constant: Does not have one (if I am correct)
2. [tex]-7a^{2}[/tex]
Coefficient: -7
Variable: a
Degree: 2
Constant: Does not have one (if I am correct)
3. [tex]3t^{2} +4t-6[/tex]
Coefficient: 3
Variable: t
Degree: 2
Constant: -6
4. [tex]2-h[/tex]
Coefficient: 1
Variable: h
Degree: 1
Constant: 2
please can i have help
Answers
Answer:
1/4 i think
Step-by-step explanation:
Answer:
y= -- 1/4 x + 7/4
y= -- 1/4 x + 1.75
Step-by-step explanation:
i runed it through desmos and i was just like the picture dont know how to explain it
can someone help me find the slope of this line pleaseeee
Answers
PLEASE HELLLLLLLLLLLLLLP ME I NEED HELP PLEASE EXPLAIN HOW TO DO IT AS I HAVE A TEST NEXT WEEK AND IM REALLY STRESSED
Answers
Answer:
C. Cos(60°) = Sin(30°)
Step-by-step explanation:
Cos(60°) = 0.5
Sin(30°) = 0.5