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Leni [432]
3 years ago
11

Can you help me solve the 3D shape

Mathematics
2 answers:
AleksAgata [21]3 years ago
6 0
It's C .A corner is a vertice.
pshichka [43]3 years ago
5 0
The correct answer is "c" because vertices means corners.

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9n - 15 for n = 5 help me please
MaRussiya [10]

If n = 5, then 9n = 45

45 - 15 = 30, which is the same thing as 6n


7 0
3 years ago
I don't really know on this one. I'm thinking it's because if T kept going it would go into a 3rd quadrant but I'm not too sure.
enyata [817]
That is correct since the line in T is not straight it would eventually hit the third quadrant
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8 0
3 years ago
(a) The position of a particle at time t is s(t) = t^3 + t. Compute the average velocity over the time interval [7, 12].(b) Esti
ryzh [129]

Answer:

<h2>a) Average velocity = 278 units</h2><h2>b) Instantaneous velocity at t = 7 seconds is 148 units</h2>

Step-by-step explanation:

a) Average velocity is the ratio of displacement to time.

   We have

              s(t) = t³ + t

    t is in between 7 and 12

             s(7) =  7³ + 7 = 350

              s(12) = 12³ + 12 = 1740

    Displacement = 1740 - 350 = 1390

   Time = 12 - 7 = 5

  Displacement =  Average velocity x time

  1390 = Average velocity x 5

  Average velocity = 278 units

b) s(t) = t³ + t

   Differentiating

         v(t) = 3t² + 1

  At t = 7

          v(t) = 3 x 7² + 1 = 148 units

  Instantaneous velocity at t = 7 seconds is 148 units

8 0
3 years ago
Manuel is building a circular pool with an area of 100 square feet he will build rectangular deck around the pool as shown
kirill [66]

Answer:

26 feet

Step-by-step explanation:

w: width

w+4 : length

w(w+4) = 572

w² + 4w - 572 = 0

w² + 26w - 22w - 572 = 0

w(w+26) - 22(w+26) = 0

(w-22)(w+26) = 0

w = 22, -26

width = 22 feet

length = w+4 = 22+4 = 26 feet

7 0
3 years ago
Read 2 more answers
Which best describes the orthocenter of a triangle?
Stolb23 [73]

Answer:

its A

Step-by-step explanation:

Its a because its A =)

7 0
1 year ago
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