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
jasenka [17]
3 years ago
11

Caroline places five poles A,B,C,D,and E in order along a straight line. The distance poles A and D is 1 yard. The distance betw

een poles A andB. Poles A and B are 1/5 yard apart. The distance between D and E is 7/10 yard. How far apart are poles B and E?
Mathematics
1 answer:
hodyreva [135]3 years ago
8 0
We have
------------------------------------------------------------------
A              B                C                  D                  E 
----------------------------------------------- 
                    1 yard 
--------------  
 1/5 yard                                           ------------------ 
                                                              7/10 yard
<span>The distance poles B and D= (1-1/5)=4/5 yard

</span>The distance poles B and E= BD+DE=4/5+7/10=(8+7)/10=15/10=3/2 yard

the answer is 3/2 yard (distance poles B and E)
You might be interested in
This is due in a bit and im having a bit of trouble, any solutions?
valina [46]

Answer:

I believe that those triangles are not similar

Step-by-step explanation:

5 is 1.666 of 3

20/3=6.667

1.666 does not equal 6.667

if I did that correctly, they are not similar

Hope this helps!

5 0
3 years ago
If 3,000 bacteria, with a growth constant (k) of 2.8 per hour, are present at the beginning of an experiment, in how many hours
Ivenika [448]

Given:

Initial number of bacteria = 3000

With a growth constant (k) of 2.8 per hour.

To find:

The number of hours it will take to be 15,000 bacteria.

Solution:

Let P(t) be the number of bacteria after t number of hours.

The exponential growth model (continuously) is:

P(t)=P_0e^{kt}

Where, P_0 is the initial value, k is the growth constant and t is the number of years.

Putting P(t)=15000,P_0=3000, k=2.8 in the above formula, we get

15000=3000e^{2.8t}

\dfrac{15000}{3000}=e^{2.8t}

5=e^{2.8t}

Taking ln on both sides, we get

\ln 5=\ln e^{2.8t}

1.609438=2.8t                  [\because \ln e^x=x]

\dfrac{1.609438}{2.8}=t

0.574799=t

t\approx 0.575

Therefore, the number of bacteria will be 15,000 after 0.575 hours.

4 0
2 years ago
What is the diameter of a sphere? A.Twice the radius of the sphere B.The distance between two spheres C.The distance from the ce
dolphi86 [110]

Twice the raidus. okay, Im sure that how you spell Radius but anyway, Hope this helps.


3 0
3 years ago
f a rectangle has a perimeter of 70, a length of x and a width of x - 9, find the value of the length of the rectangle.
trasher [3.6K]

( x + (x  -  9))  \times 2 = 70 \\( 2x - 9) \times2= 70 \\ 4x - 18 = 70 \\ 4x = 70 + 18 = 88
x =  \frac{88}{4}  = 22
the length is 22


and the width is
22-9=17





good luck
3 0
3 years ago
Working alone, Ryan can dig a 10 ft by 10 ft hole in 5 hours Castel can dig the same hole in 6 hours how long would it take them
Fed [463]

Answer:

The time taken by both boys to complete work = 2.73 hours

Step-by-step explanation:

Time taken by rayan to dig hole  T_{1} = 5 hours

Time taken by castel to dig hole T_{2} = 6 hours

Now the time taken by both persons working together  

T = \frac{T_{1} T_{2}  }{T_{1} + T_{2}}

Put all the values in above formula we get

T = \frac{ 30 }{6 + 5}

T = \frac{30}{11}

T = 2.73 hours

Therefore the time taken by both boys to complete work = 2.73 hours

6 0
3 years ago
Other questions:
  • How to tell if an expression is a polynomial?
    10·1 answer
  • In the elipse shown below each point marked with a dot is called an
    13·1 answer
  • Problem Page Last year, Donna had $30,000 to invest. She invested some of it in an account that paid 9% simple interest per year
    10·1 answer
  • Simplify the following expression 2x-4y+3x2+7y-16x
    12·2 answers
  • If Jackson has 7 pairs of shorts and 15 different shirts. How many different outfits can he wear with one pair of shorts and one
    11·2 answers
  • CEOLATIONS AND INEQUALITIES
    8·1 answer
  • How do find the nth term in a non-linear sequence
    14·1 answer
  • Which one is not a characteristic of all parallelograms?
    12·1 answer
  • dustin and justin go to olive garden for dinner. their total bill is $85.40. they want to leave their waitress a 20% tip
    7·1 answer
  • Answer my question please
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!