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mixer [17]
1 year ago
14

Triangle ABC is congruent to TriangleA'BC' by the HL theorem. Triangles A B C and A prime B C prime are connected at point B. An

gles A prime C prime B and A C B are right angles. The lengths of C prime A prime and C A are congruent. The lengths of A prime B and B A are congruent. What single rigid transformation maps TriangleABC onto TriangleA'BC'? dilation reflection rotation translation
Mathematics
1 answer:
user100 [1]1 year ago
3 0

Answer:

B, reflection will be your answer.

Step-by-step explanation:

just did on edg

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xavier made 25 pounds of roasted almonds for a fair. he has 3 1/2 pounds left at the end of the fair. How many pound of almonds
eduard
He soled 21 and 1/2 of almonds at the fair because 25 is = to 24 and 2/2 so that - 3 and 1/2 is = to 21 and 1/2
3 0
2 years ago
Consider the vibrating system described by the initial value problem. (A computer algebra system is recommended.) u'' + u = 8 co
krek1111 [17]

Answer:

  u(t)  = -(3 + w^2 ) cos t /(1- w^2)cos t + 7 sin t + 8 cos wt /(1- w^2)

Step-by-step explanation:

The characteristic equation is     k²+1 = 0,⇒k²=−1,⇒ k=±i.

the roots are k = i or -i

the solution has the form  u(x)=C₁cosx+C₂sinx.

Using undetermined coefficient method

Uc(t) = Pcos wt  + Qsin wt

Uc’(t) = -Pwsin wt  + Qwcos wt

Uc’’(t) = -Pw^2cos wt  - Qw^2sin wt

U’’ + u = 8cos wt

-Pw^2cos wt  - Qw^2sin wt + Pcos wt  + Qsin wt = 8cos wt

(-Pw^2 + P) cos wt   + (- Qw^2 + Q ) sin wt = 8cos wt

-Pw^2 + P = 8  which implies P= 8  /(1- w^2)

- Qw^2 + Q = 8 which implies Q = 0

Uc(t) = Pcos wt  + Qsin wt = 8 cos wt /(1- w^2)

U(t) = uh(t ) + Uc(t)

     = C1cos t + c2 sin t + 8 cos wt /(1- w^2)

Initial value problem

U(0) = C1cos(0) + c2 sin (0) + 8 cos (0) /(1- w^2)

C1 + 8 /(1- w^2) = 5

C1 = 5 -8 /(1- w^2) = -(3 + w^2 ) /(1- w^2)

U’(t) = -C1 sin t + c2 cos t - 8 w sin wt /(1- w^2)

U’(0) = -C1 sin (0) + c2 cos (0) - 8 w sin (0) /(1- w^2) = 7

 c2 = 7

  u(t)  = -(3 + w^2 ) cos t /(1- w^2)cos t + 7 sin t + 8 cos wt /(1- w^2)

   

4 0
2 years ago
Read 2 more answers
Rebeckah answered 42 of the 60 questions correctly on a test. Which method should she use to find the percent of questions she a
Nataly_w [17]

Answer:

D.

Step-by-step explanation:

42/60=70% so the only option that also equals 70% is letter D.

3 0
1 year ago
Read 2 more answers
Which statement is true about the polynomial 3j4k−2jk3+jk3−2j4k+jk3 after it has been fully simplified? in terms and degree
DIA [1.3K]

I just had this test and got it right, the answer is 1 term with a degree of 5. Option 4

7 0
1 year ago
1) A group of five friends goes to the state fair. Each friend pays the entrance fee and buys
kari74 [83]

Answer:

5(d - 4)

Step-by-step explanation:

Entrance fee per head = d

Entrance fee for the 5 friends = 5*d = 5d

Booklet of ride ticket per head = 2.5d

Booklet of ride ticket for the 5 friends = 5(2.5d)

Meal ticket per head = d - 4

Meal ticket for the 5 friends = 5(d - 4)

Total amount paid altogether by the five friends = 5d + 5(2.5d) + 5(d - 4)

From this breakdown above, the total amount paid by the 5 friends for their meal tickets = 5(d - 4)

8 0
1 year ago
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