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
Dafna1 [17]
3 years ago
11

Please help with 12!!!!!

Mathematics
1 answer:
mote1985 [20]3 years ago
5 0
2. one angle of and one side are equal therefore bc and ce have to equal each other.
3.because angle a and angle d equal each other, angles acb and dce equal each other
4.opposite interior angles equal each other
5.triangles equal each other for all the reasons above
You might be interested in
A ballplayer catches a ball 3.4s after throwing it vertically upward. with what speed did he throw it, and what height did it re
Daniel [21]

From the equation of motion, we know,

s=ut+\frac{1}{2}at^{2}

Where s= displacement

u= initial velocity

a= gravitational force

t= time

Displacement is 0 since the ball comes back to the same point from where it was thrown.  

A = -9.8m/s^{2} since the ball is thrown upwards.

Plug the known values into the equation.

=> 0=u\left ( 3.4 \right )+\frac{1}{2}\left ( -9.81 \right )(3.4^{2})

Solving for u gives :

u= 16.67 m/ sec ....... equation (1)

At maximum height, final velocity i.e v is 0

Time take to reach the top = \frac{3.4}{2} = 1.7 sec

v^{2}=u^{2}+2as

=> 0=(16.67)^{2}+2(-9.81)(s)

Solving for s we get

s= 14.16 m


4 0
3 years ago
Evaluate 3+n-5×2 for n=4​
xxTIMURxx [149]

Answer:

-3 is the answer

Step-by-step explanation:

distribute the value of n

3+4-5×2

=7-10

=-3

6 0
3 years ago
Read 2 more answers
I have no idea what the answer is
Digiron [165]
Sin is opposite over hypotenuse so the answer would be sqrt3\2
7 0
3 years ago
340 over 8 as a unit rate
Anastasy [175]
340/8 = 42.50 per unit
4 0
3 years ago
Read 2 more answers
Write:<br> 3^-4 in standard form
pav-90 [236]

Answer:

\frac{1}{81}

Step-by-step explanation:

<u>Key skills: Exponents + Fractions</u>

Use the negative exponent property. If your number is x^-y then it would be the same as 1/x^y

3^-4 is the same as \frac{1}{3^{4}}

3^4 is 81, so your answer would be 1/81.

Hope you have a nice day and understood this!

4 0
3 years ago
Other questions:
  • Last one plz helppppppppppp
    14·1 answer
  • Please help a fella out
    12·2 answers
  • Find the values of x (if any) at which f(x)= x+1/x^2-1 is not continuous. If so, is the discontinuity removable?
    12·1 answer
  • Combine the like terms to make a simpler expression:<br><br> 8r +7 -6r - 5 =
    8·2 answers
  • Bob has 35 liters of lemonade if he distributes all the lemonade equally into 7 juice pitchers, how much lemonade will be in eac
    9·1 answer
  • It costs $300 to join the new Superfit Gym.You then pay $15 each month and $2 each time you work out Carlo thinks he will use th
    6·1 answer
  • What is the the gantt chart?
    13·1 answer
  • Square had a radius of 5 square root 2 find the apothem
    6·1 answer
  • Stuck on this question... will give brainliest
    6·2 answers
  • bridget is growing seven plants for her science project. here are the heights of the plants after four weeks. what is the mode?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!