A satellite dish is shaped like a paraboloid of revolution. The signals that emanate from a satellite strike the surface of the dish and are reflected a single point, where the receiver is located. If the dish is 16 feet across at its opening and 5 feet deep at its center, at what position should the receiver be placed?
Find the missing side
Please help thank you!!
Answer:
[tex]c= \sqrt{41}[/tex]
Step-by-step explanation:
[tex]a^{2} +b^{2} =c^{2} \\4^{2} + 5^{2} = 16 + 25 = \sqrt{41} = c[/tex]
Answer:
6.4
Step-by-step explanation:
As we can see it is a right angled triangle so
perpendicular (p)= 5
base (b) = 4
hypotenuse (h) = c = ?
we know
by using Pythagoras theorem,
h² = p² + b²
or h = √(p² + b²)
c = √( 5² + 4 ² )
c = √41
c = 6.4
hope it helps :)
At the beginning of spring, Arianna planted a small sunflower in her backyard. When
it was first planted, the sunflower was 20 inches tall. The sunflower then began to
grow at a rate of 0.5 inches per week. How tall would the sunflower be after 3 weeks?
How tall would the sunflower be after w weeks?
Height after 3 weeks:
Height after w weeks:
Answer:
3 weeks: 21.5 inches
w weeks: 20+0.5w inches
Step-by-step explanation:
Equation: 20+0.5w.
20 was when it was first planted and 0.5 is the amount it grows per week.
What is the equation of the graph below?
y= sin (x+45*)
y=cos (x+45*)
Build a table of values choosing values for
x
that you think are appropriate. It should look something like this:
You then put small crosses or dots on the graph paper that match the values for y and
sin ( x − 45 )
As best as you can draw a smooth free hand curve that connects the points/crosses.
On a scale drawing with a scale of 1 in to 25 feet, the height of a building is 8 inches on a
drawing. How tall is the actual building?
Answer:
200 feet
Step-by-step explanation:
HELP ASAP !!!
I dont know how to do this i really need help
Answer:
1 = A
-1/3 = C
5/6 = B
I am pretty sure
Zahra plans to draw a triangle with angles measuring 50 degrees, 60 degrees, and 70 degrees. Which is true about Zahra’s plan?
Zahra cannot make a triangle with these angle measures.
Zahra can only draw one unique triangle with these angle measures.
Zahra can make exactly two triangles with these angle measures.
Zahra can make more than one triangle with these angle measures.
Answer:
Zahra can only draw one unique triangle with these angles
Answer:
its B:
Zahra can only draw one unique triangle with these angles
Step-by-step explanation:
I got it right
Please help please I need help
Answer:
9
Step-by-step explanation:
9 squared + 12 squared= 15 squared
Answer:
hi
Step-by-step explanation:
we can do this with Pthyagorean teorem
[tex] {12}^{2} + {x}^{2} = {15}^{2} \\ 144 + {x}^{2} = 225 \\ {x}^{2} = 225 - 144 \\ {x}^{2} = 81 \\ x = \sqrt{81} \\ x = 9 \: cm[/tex]
BC is 9
hope it helps
have a nice day
Abby is buying a skateboard for $70 . The sales tax is 8% . Find the total cost of the skateboard , including sales tax
Answer:
First you need to multiply $70 and 8%, which will equal $5.60, and then you have to add it to $70, which will give you $75.60 . Abby would need to pay 75.60 dollars.
Step-by-step explanation:
Traingle ABC below has a rigth angle C and a hieght CD. If AC is 3 units long, and BC is 4, what is the lengtyh of CD
Answer:
5 units
Step-by-step explanation:
the length of CD can be determined using Pythagoras theorem
The Pythagoras theorem : a² + b² = c²
where a = length
b = base
c = hypotenuse
3² + 4²
= 9 + 16
= 25
the square root of 25 is 5
which is the correct stem-and-leaf plot for the data set.
Answer:
I just FINISHED THESE QUESTIONS
Step-by-step explanation:
but which plot
explain how urea is formed in the body
Step-by-step explanation:
the nitrogen in the amino acid become converted to ammonia and this is further converted by the live into urea,which is less toxic than ammonia to the body.The kidneys will then filter theuera from the circulation,send it to the bladder along with water and excrete it form of urine.
7 3/4 + 3 5/6 - 1 3/4
Answer:
This does not have to be complicated.
Just subtract 1 3/4 from 7 3/4 to get 6. Now add the 3 5/6 to that for a total of 9 5/6
Step-by-step explanation:
Pls help, this is due today
(i’m using 3.14 as pi tell me if ur pi is different)
yellow: 28.26
blue: 18.84
green: 251.2
red: 15.7
purple: 21.98
formula: C = 2pi r | C = pi d
The sum of X and fifteen
x+15
depends on the value of x
Answer:
15 + X
Step-by-step explanation:
The Sum means an answer to an adition problem
30% of which number is 3?
O A. 10
B. 9
O c. 1
O D. 0.9
O E. 0.1
Answer:
The answer is letter D
Step-by-step explanation:
3 x 0.30 = 0.9
Consider this equation.
sin(θ)= 3sqrt10/10
If θ is an angle in quadrant II, what is the value of tan(θ) ?
Answer:
tan x = -3 (Answer A)
Step-by-step explanation:
We want to find the tangent of this angle "theta," and recall the trig identity
(sin x)^2 + (cos x)^2 = 1.
3√10
If sin x = -----------
10
90
then (sin x)^2 = ----------- = 9/10
100
and (cos x)^2 = 1 - 9/10 = 1/10
sin x 3√10/10
Then tan x = ---------- = -------------- = -3 (Answer A)
cos x 1√10/10
The tangent function is negative in Quadrant II. In Quadrant I tan x = +3
Answer:
A
Step-by-step explanation:
Using the trig identity
sin²x + cos²x = 1 , then cos x = ± [tex]\sqrt{1-(\frac{3\sqrt{10} }{10})^2 }[/tex]
Given
sinθ = [tex]\frac{3\sqrt{10} }{10}[/tex] , then
cosθ = ± [tex]\sqrt{1-(\frac{3\sqrt{10} }{10})^2 }[/tex]
= ± [tex]\sqrt{1-\frac{9}{10} }[/tex]
= ± [tex]\sqrt{\frac{1}{10} }[/tex]
Since θ is in second quadrant where cosθ < 0 , then
cosθ = - [tex]\frac{1}{\sqrt{10} }[/tex]
Then
tanθ = [tex]\frac{sin0}{cos0}[/tex] = [tex]\frac{\frac{3\sqrt{10} }{10} }{\frac{-1}{\sqrt{10} } }[/tex] = - 3 → A
Calvin is filling the pool in his backyard with water. If the pool is in the shape of a cylinder with a diameter of 12 ft and a height of 5 ft, how much water is needed to fill Syntax error from line 1 column 49 to line 1 column 73. Unexpected 'mathsize'. of the pool?
Answer: 135 pi
Step-by-step explanation: I took the test
It is a three-dimensional shape with two parallel circular bases and a curve surface.
The volume of water needed to fill the pool is 180π square feet.
What is a cylinder?It is a three-dimensional shape with two parallel circular bases and a curve surface.
Volume = π r² h
r = radius of the cylinder
h = height of the cylinder
We have,
Diameter of the cylinder = 12 ft
Radius = diameter/2 = 12/2 = 6 ft
Height of the cylinder = 5 ft
The volume of the cylinder:
= πr²h
= π x 6² x 5
= π x 36 x 5
= 180π square feet
Thus,
The volume of water needed to fill the pool is 180π square feet.
Learn more about cylinder here:
https://brainly.com/question/15891031
#SPJ2
Which could be the value of the third side of a triangle with sides 3 and 4? A. 3 B. 7 C. 12 D. 20. Would it be B or C
What is the solution set for this inequality
-8x + 40 > -16
A. x > 7
B. x < 7
C. x > -3
D. x < -3
Answer:
Letter c po sorry nasa daan po kasi ako kaya di po ako makakapag explain
Step-by-step explanation:
Sorry po talaga pero sigurado po ako sa sagot ko
HELP ASAP!!!!
What is the volume of the following cylinder in cubic feet?
35.325 ft3
5,086.8 ft3
61,041.6 ft3
47.1 ft3
Answer:
35.325
Step-by-step explanation:
I got it right on Oddyseyware
Answer:
35.325
Step-by-step explanation:
its right on odyssey hope this help :]
Twenty pounds of beans are distributed equally into 16 bags to give out at the food bank. How many pounds of beans are in each bag? Enter your answer in the simplest form. There are pounds of beans in each bag.
Answer: 1¼ pounds
Step-by-step explanation:
Since 20 pounds of beans are distributed equally into 16 bags to give out at the food bank, the amount of pounds of beans that are in each bag will be gotten by dividing 20 by 16 which will be:
= 20 pounds / 16
= 1¼ pounds
Therefore, there are 1¼ pounds of beans in each bag.
Which graph represents the solution for the equation 1/6x=-2x+5
an equation is often said to be like a ______________ because whatever you do to one side you must do to the other
A. problem
B. balanced scale
C. expression
D. not sure
What’s the ratio of the surface area?
20:4
4:1
16:1
64:1
Student had 500 milliliters of water in a water bottle. She drank 25% of the water before soccer practice. After practice, she drank 1/3 of the remaining water. How much water, in milliliters, does the student have left in the bottle?
3. given that m < APC is 104° in circle P, find the degree measure of Arc ABC
Answer:
Answer is 256 degrees
Step-by-step explanation:
You basically take the degree that they gave you, which is 104, now take 360 (that's the measurement of the whole circle) and subtract it by 104 to get your answer.
will give brainliest
Answer:
£29.37
Step-by-step explanation:
Type in the question- like type it. Not a screenshot, type in part of the question into the Brainly search bar and you'll find it.
What is 721295.198715 rounded to the nearest tenth
Answer:
The answer is 721295.2
Answer:
721,295.2
Step-by-step explanation:
I used the "Rounding Numbers Calculator" on Calculator Soup
just one but if u could do both then that’s great. thank you