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
kramer
3 years ago
5

P lease please help meeeee

Mathematics
1 answer:
Alisiya [41]3 years ago
4 0

Answer:

Step-by-step explanation:

solution:

given:- BE is bisector of ∠DBC and BE//AC

           

          statement                                                  reasons

   1. ∠DBE= ∠BEC                                  1. since, BE is bisector of ∠DBC

   2.∠DBE=∠BAC                                  2. corresponding angle are equal

                                                                   are equal.

 3.∠EBC=∠BCA                                    3. alternative angle are equal

 4.∠BAC=∠BCA                                    4. from statement 1,2,3

5 therefore, triangle ABC is                 5. if base angle are equal it is a an    isosceles triangle                                      isosceles triangle                                                                                                              

 6. AB=BC                                              6.corresponding sides of equal angle                    

                                                                isosceles triangle are equal

 proved

You might be interested in
Last question need to get right
kaheart [24]
I think the answer would be d
5 0
3 years ago
Read 2 more answers
Evaluate................
wolverine [178]

Answer:

h(8q²-2q) = 56q² -10q

k(2q²+3q) = 16q² +31q

Step-by-step explanation:

1. Replace x in the function definition with the function's argument, then simplify.

h(x) = 7x +4q

h(8q² -2q) = 7(8q² -2q) +4q = 56q² -14q +4q = 56q² -10q

__

2. Same as the first problem.

k(x) = 8x +7q

k(2q² +3q) = 8(2q² +3q) +7q = 16q² +24q +7q = 16q² +31q

_____

Comment on the problem

In each case, the function definition says the function is not a function of q; it is only a function of x. It is h(x), not h(x, q). Thus the "q" in the function definition should be considered to be a literal not to be affected by any value x may have. It could be considered another way to write z, for example. In that case, the function would evaluate to ...

h(8q² -2q) = 56q² -14q +4z

and replacing q with some value (say, 2) would give 196+4z, a value that still has z as a separate entity.

In short, I believe the offered answers are misleading with respect to how you would treat function definitions in the real world.

7 0
4 years ago
A store has been selling 300 Blu-ray disc players a week at $600 each. A market survey indicates that for each $40 rebate offere
timurjin [86]

Answer:

75 $

Step-by-step explanation:

According to problem statement p(300) = 600

And we know that with a rebate of 40 $, numbers of units sold will increase by 80 then if x is number of units sold, the increase in units is

(  x  - 300 )  , and the price decrease

(1/80)*40  =  0,5

Then the demand function is:

D(x)  =  600  - 0,5* ( x - 300 )  (1)

And revenue function is:

R(x) =  x * (D(x)   ⇒   R(x) =  x* [  600  - 0,5* ( x - 300 )]

R(x) = 600*x  - 0,5*x * ( x - 300 )

R(x) = 600*x - 0,5*x² - 150*x

R(x) = 450*x  - (1/2)*x²

Now taking derivatives on both sides of the equation we get

R´(x) =  450  - x

R´(x) =  0       ⇒   450  - x = 0

x = 450 units

We can observe that for   0 < x  < 450  R(x) > 0 then R(x) has a maximum for x = 450

Plugging this value in demand equation, we get the rebate for maximize revenue

D(450)  =  600  - 0,5* ( x - 300 )

D(450)  =  600 - 225 + 150

D(450)  =

D(450)  =  600 - 0,5*( 150)

D(450)  =  600 - 75

D(450)  = 525

And the rebate must be

600 - 525  = 75 $

5 0
3 years ago
How to find rate of change on a table
LekaFEV [45]

Answer:

   __X__l__Y_

        1     l    3

        5    l    6

        9     l    9

        13   l    12

        17   l    15

        21   l    18

On the right side, the numbers get larger by adding three each time. On the left side, the numbers get larger by adding 4 each time. It would be the same for any other pair of numbers when you add 4 to the left, and 3 to the right. For instance, the next pair would be (25 , 21). 25 would be the X value, and 21 would be the Y value.

4 0
4 years ago
An item is priced at $14.13. If the sales tax is 4%, what does the item cost including sales tax?
Inessa05 [86]

Answer:

it will be 14.09

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Other questions:
  • joan works for 6 hours each weekday and 8 hours total on the weekends. she earns $6 an hour on weekdays and $9 an hour on weeken
    6·1 answer
  • There are two coins in a bag. for coin 1, p(h) = ½ and for coin 2, p(h) = 1/3. your friend chooses one of the coins at random an
    14·1 answer
  • Helpppp... 4^3 x (100/25) - 5^0
    10·2 answers
  • Maria ran 100 yards in 13.8 seconds.mike ran 1 second slower then Maria. How long did it take mike to run 100 yards?
    9·1 answer
  • A centimeter is equal to <img src="https://tex.z-dn.net/?f=1%2F10" id="TexFormula1" title="1/10" alt="1/10" align="absmiddle" cl
    9·1 answer
  • How do you solve this im loosing my mind​
    13·1 answer
  • Consider vectors A =1,0i+1,0j-2,0k and B= -1,0i+1,0j+2,0k, and calculate dot product of A and B ​
    13·1 answer
  • How many points is this question<br>​
    10·2 answers
  • Sandra measures the diameter of a hula hoop as 0.7 m. Write and solve an equation to
    8·1 answer
  • Use a special product pattern to evaluate <img src="https://tex.z-dn.net/?f=19%5E2-11%5E2" id="TexFormula1" title="19^2-11^2" al
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!