MATHEMATICS HIGH SCHOOL

If triangle ABC is similar to triangle DEC solve for x

Answers

Answer 1
Answer: That make no sense, A = D, B = E, and C = C.
Answer 2
Answer:

Answer:

?

Step-by-step explanation:

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Given: Q = 7m + 3n, R = 11 - 2m, S = n + 5, and T = -m - 3n + 8.

Simplify Q + S - T.

Answers

Q+S-T=7m+3n+n+5-(-m-3n+8)\nQ+S-T=7m+4n+5+m+3n-8\nQ+S-T=8m+7n-3

Work out 3/4 - 1/6
Give the answer in the simplest form

Answers

(3)/(4)-(1)/(6)=(3 * 3)/(4 * 3)-(1 * 2)/(6 * 2)=(9)/(12)-(2)/(12)=(9-2)/(12)=(7)/(12)
(3)/(4)- (1)/(6) = (3\cdot3)/(4\cdot3) - (1\cdot2)/(6\cdot2) = (9-2)/(12) [tex]= \boxed {(7)/(12) }

Tan154-tan49/1+tan154tan49

*all are in degrees.
What does sin, cos, and tan equal?

Answers

tan(154)-tan(49)=-1.638...
Ans/(1+(tan(154)tan(49))
=-3.73205

A pyramid is placed inside a prism as shown. The pyramid has the same base area, B, as the prism but half the height, h, of the prism. Which expression gives the volume of the pyramid?Its not v=1/3*b*h

a.v=2/3bh
b. v=1/4bh
c.v=2bh
d.v=1/6bh

Answers

Answer: D) V= 1/6 bh

Step-by-step explanation:

Since according to the given question,  A pyramid is placed inside a prism.

And, The pyramid has the same base area, b, as the prism but half the height, h, of the prism.

Therefore, base area of the pyramid = b

Height of the pyramid = h/2

Since, The volume of the pyramid,

V = 1/3 × base ares × height

V= 1/3 × b × h/2

V= 1/6 bh

Thus the required volume = 1/6 bh cube unit.

Therefore Option D is correct.

Answer:

V = 1/6 BH

Im also taking this class on edmentum

Step-by-step explanation:

the volume of a pyramid is 1/3 BH , since the pyramid is only half the height of the prism you'll have to multiply 1/3 x 2 = 1/6

A teacher is grading exit tickets on the train. It takeshim 42.5 seconds to grade each exit ticket, and he will
arrive at his destination in 5 minutes. The teacher knows
he will need to save 30 seconds to pack up his materials.
What is the maximum number of exit tickets that he can
grade?

A) 8
B) 7
C) 6
D) 5

Answers

Answer:

6 papers

Step-by-step explanation:

5 minutes = 5 * 60 = 300 seconds

He needs to save 30 seconds

300 - 30 = 270 seconds

270 seconds / 42.5 seconds per paper

6.352941176 papers

Rounding down since he want to completely grade the paper

6 papers

If the temperature at 8:00a.m.
was 22°F,
and at 4:00
p.m.
the same day, it was
–2°F,
what was the average temperature decrease
per hour during this period?

Answers

From\ 8:00\ am\ to\ 4:00\ pm\ there\ is\ 8\ hours\n\n22-(-2)=22+2=24F\n\n24:8=3\n\nTemperature\ decrease\ 3F\ per\ hour.

Answer:

22F

Step-by-step explanation:
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