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
umka2103 [35]
3 years ago
12

3. Determine whether the triangles are similar. If so, write a similarity statement and name the

Mathematics
1 answer:
Elanso [62]3 years ago
5 0
They are both similar. 
tri cba ~ tri rqp
AA theorem
tri bac ~ tri edf
SSS theorem
You might be interested in
I need help with all the ones that don't have answers.
zlopas [31]
<em>- What two consecutive odd integers have a sum of 48</em>?

23 + 25 = 48

- <em>Two negative consecutive integers have a sum of -45. What are the integers?
</em>
<em />-22 + -23

- <em>The sum of two consecutive integers 75. What are the two integers?</em>

37 + 38 = 75

- <em>What <u>three</u> consecutive odd  integers have a sum of 81?
</em>
<em />25 + 27 + 29 = 81

Hope I could help! Have a good one. I believe that is all of the unanswered questions. If I missed one, let me know!<em />
7 0
3 years ago
Solve the following ODE's: c) y* - 9y' + 18y = t^2
Nastasia [14]

Answer:

y = C_1e^{3t}+C_2e^{6t} + \dfrac{1}{18}(t^2+\frac{2t}{6} + \frac{2}{36}+\frac{2t}{3}+\frac{2}{18}+\frac{2}{9})

Step-by-step explanation:

y''- 9 y' + 18 y = t²

solution of ordinary differential equation

using characteristics equation

m² - 9 m + 18 = 0

m² - 3 m - 6 m+ 18 = 0

(m-3)(m-6) = 0

m = 3,6

C.F. = C_1e^{3t}+C_2e^{6t}

now calculating P.I.

P.I. = \frac{t^2}{D^2 - 9D +18}

P.I. = \dfrac{t^2}{(D-3)(D-6)}\\P.I. =\dfrac{1}{18}(1-\frac{D}{3})^{-1}(1-\frac{D}{6})^{-1}(t^2)\\P.I. =\dfrac{1}{18}(1-\frac{D}{3})^{-1}(1+\frac{D}{6}+\frac{D^2}{36}+....)(t^2)\\P.I. =\dfrac{1}{18}(1-\frac{D}{3})^{-1}(t^2+\frac{2t}{6} + \frac{2}{36})\\P.I. =\dfrac{1}{18}(1+\frac{D}{3}+\frac{D^2}{9}+....)(t^2+\frac{2t}{6} + \frac{2}{36})\\P.I. =\dfrac{1}{18}(t^2+\frac{2t}{6} + \frac{2}{36}+\frac{2t}{3}+\frac{2}{18}+\frac{2}{9})

hence the complete solution

y = C.F. + P.I.

y = C_1e^{3t}+C_2e^{6t} + \dfrac{1}{18}(t^2+\frac{2t}{6} + \frac{2}{36}+\frac{2t}{3}+\frac{2}{18}+\frac{2}{9})

7 0
2 years ago
Solve for a <br> 9a² = 16a<br> College Intermediate Algebra
Fed [463]

We want to solve 9a² = 16a for a.

Because the a is on both sides, a good strategy is to get all the a terms on one side and set it equal to zero. Then we apply the Zero Product Property (if the product is zero then so are its pieces and Factoring.

9a² = 16a

9a² - 16a = 0                <-----subtract 16a from both sides

a (9a - 16) = 0               <-----factor the common a on the left side

a = 0   OR   9a - 16 =0   <----apply Zero Product Property

Since a = 0 is already solved we work on the other equation.

9a - 16 = 0

9a = 16                        <----------- add 16 to both sides

a = 16/9                       <----------- divide both sides by 9


Thus a = 0 or a = 16/9

7 0
3 years ago
If a^2=b^2, does a=b? Explain and justify your answer.
anygoal [31]

Answer:

  not necessarily

Step-by-step explanation:

Taking the square root of both sides, you have ...

  ±a = ±b

Those four cases resolve to two unique cases:

  a = ±b

The given equation will be true if a = b or if a = -b. If a and b are constrained to have the same sign, then a=b is the only solution.

4 0
3 years ago
A car dealership has 240 cars in the parking lot and 17.5% of them are red. Of the other 6 colors in the lot, each color has the
Nonamiya [84]

Answer:

Step-by-step explanation:

Ok guys I’m really confused

4 0
2 years ago
Other questions:
  • 23,780 lb = t A. 47,560,000 B.23 39/50 C.11 89/100 D. 11
    14·2 answers
  • A multiple-choice test contains 10 questions. there are four possible answers for each question. (a) in how many ways can a stud
    7·1 answer
  • Please help with this question I’m almost done
    9·2 answers
  • can someone go to my profile then go to my questions I keep posting them but no one replies please I need help
    13·1 answer
  • Name 2 strategies that you can use to find the area of a shape​
    10·2 answers
  • Which is greater? 670.9 or 670.008
    8·1 answer
  • Help Please!! On the 1st and 2nd one. just the decent and independent variable and the equation please!
    10·1 answer
  • I need this done today whoever gets this correct gets brainliest!!! PLZZ HELPP MEE!!!<br> hurryy
    9·2 answers
  • Sup nerds. Do this for me or I'm gonna get screamed at by my mom also show all the work
    10·1 answer
  • Is there a proportional relationship between the weight and the cost of clay explain your answer
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!