1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
elixir [45]
4 years ago
9

Claire boarded an airplane in Richmond va and flew 414 miles directly to Charleston sc. The total flight time was 3/4 hour. How

fast did Claire's airplane in miles per hour?
Mathematics
2 answers:
Fantom [35]4 years ago
7 0
Distance = rate times time.

414= .75x

414/.75

552 miles per hour
IRINA_888 [86]4 years ago
6 0

Answer: 552 mph

Step-by-step explanation:

The formula to find speed is given by :-

\text{Speed}=\dfrac{\text{Distance}}{\text{Time}}

Given : Claire boarded an airplane in Richmond va and flew 414 miles directly to Charleston sc.

Distance = 414 miles.

The total flight time was \dfrac{3}{4} hour.

Then, the speed of Claire's airplane= \dfrac{414}{\dfrac{3}{4}}

=414\times\dfrac{4}{3}=552\text{ mph.}

Hence, the speed of Claire's airplane= 552 mph.

You might be interested in
Liliana wants to start a seventh-grade computer club at Hamden Middle School. She surveyed 20 seventh-grade students at the town
irakobra [83]
18/20 or 9/10 would be the answer. Hope this helps!
4 0
3 years ago
Read 2 more answers
Pyramid AAA has a triangular base where each side measures 444 units and a volume of 363636 cubic units. Pyramid BBB has the sam
const2013 [10]

Answer:

Pyramid BBB's height is 12.77972623 and its volume = 818181.0001

Step-by-step explanation:

<u>Let's solve for the height of triangle AAA and then solve for the volume of BBB.</u>

We know that the formula to solve for the volume of a pyramid is:

V = 1/3(area of the base)(height)

Since both Pyramid AAA and BBB have triangular bases, we know that we must first find the area of the base, which for a triangle is:

1/2 (base)(height)

Let's begin with Pyramid AAA:

Since all three sides measure 444 units, we know the triangle has 3 equal sides, which means its equilateral. This means we know the base = 444 units.

To find the height, we divide the triangle in half and we are given a 30-60-90 special right triangle, and the height, which is the side opposite the 60° angle, is \frac{\sqrt{3} }{2} times the hypotenuse. The hypotenuse is again, 444 units, so we multiply 444 times \frac{\sqrt{3} }{2} to get 384.5152793, the height of the triangular base.

Now we can find the value of the base:

1/2 (384.5152793)(444) = 85362.392

Finally,

We find the height of the pyramid AAA:

1/3(85362.392)(h) = 363636

h = 363636/ (1/3)(85362.392)

h = 12.77972623

We finally found the height of Pyramid AAA, which is equal to the height of Pyramid BBB. Again, we find the height of the triangular base using the same process:

(1/2)666 · 666(\frac{\sqrt{3} }{2}) = 192065.382

Finally, we plug both the height and the area of the base to find the volume of Pyramid BBB:

1/3(192065.382)(12.77972623) = V

V = 818181.0001

3 0
2 years ago
Approximate the change in the volume of a sphere when its radius changes from r = 30 ft to r=10.1 ft [v(r)=4/3Ï€r^3]. When r cha
ella [17]

Answer: ∆V for r = 10.1 to 10ft

∆V = 40πft^3 = 125.7ft^3

Approximate the change in the volume of a sphere When r changes from 10 ft to 10.1 ft, ΔV=_________

[v(r)=4/3Ï€r^3].

Step-by-step explanation:

Volume of a sphere is given by;

V = 4/3πr^3

Where r is the radius.

Change in Volume with respect to change in radius of a sphere is given by;

dV/dr = 4πr^2

V'(r) = 4πr^2

V'(10) = 400π

V'(10.1) - V'(10) ~= 0.1(400π) = 40π

Therefore change in Volume from r = 10 to 10.1 is

= 40πft^3

Of by direct substitution

∆V = 4/3π(R^3 - r^3)

Where R = 10.1ft and r = 10ft

∆V = 4/3π(10.1^3 - 10^3)

∆V = 40.4π ~= 40πft^3

And for R = 30ft to r = 10.1ft

∆V = 4/3π(30^3 - 10.1^3)

∆V = 34626.3πft^3

3 0
4 years ago
Pllllllllllllzzzzzzzzzzzzz Heeeeeeeellllllllllppppppppppp!!!!
FrozenT [24]

Answer:

Option C. Independent Variable: time, Dependent Variable: net profit

Graph starts out rising and starts falling mid-year. At the beginning of 2006 it is at the minimum value and begins rising again before staying at a fairly constant rate for the remainder of the year

Step-by-step explanation:      

In this problem

Let  

x------> the time

y-----> the net profit

we know that

The independent variable is the time (variable x)

The dependent variable is the net profit (variable y)

see the attached figure to better understand the problem

4 0
3 years ago
Determine whether Salvador's answers and work are correct. If ether answer is incorrect,
Neko [114]

Answer:

His first answer is wrong.

Step-by-step explanation:

The bar should only be over the 6 since it is the only number repeating.

6 0
3 years ago
Other questions:
  • A tree farmer has 637 trees planted in 7 fields. Each field has the same number of trees. How many trees are planted in each fie
    10·1 answer
  • F(x)=x what is the equation of the new function shift 8 units left shift 3 units down
    5·1 answer
  • What is the direct linear variation equation for the relationship?
    11·1 answer
  • Given the Arithmetic series A 1 + A 2 + A 3 + A 4 A1+A2+A3+A4 14 + 18 + 22 + 26 + . . . + 86 What is the value of sum?
    13·1 answer
  • <img src="https://tex.z-dn.net/?f=%20%7B4%7D%5E%7B3%7D%20" id="TexFormula1" title=" {4}^{3} " alt=" {4}^{3} " align="absmiddle"
    11·2 answers
  • Evaluate M / NxP for M = 10, N = -5, and P = -2<br> 01<br> 0-1<br> 0-100<br> 100
    10·1 answer
  • Multiply. Write your answer as a fraction in simplest form.
    7·2 answers
  • Pls help I will give brainlest who ever get first I am in a timer!
    6·2 answers
  • Rut gon cac phan so sau36\63 30\25 24\32 15\30
    5·1 answer
  • If a female student is selected at random, find the probablility that the student is a senior.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!