MATHEMATICS COLLEGE

When 12 is subtracted from 3 times a number, the result is 24. Find the number.A) 8

B) 12

C) 4

D) 6

Answers

Answer 1
Answer: C the answer to the problem

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Answers

Answer:

Step-by-step explanation:

The ellipse ^2/9 + ^2/4 =1, has its major axis length equal toa.13b. 9 c. 4 d. 3 e. 6

Answers

The given equation of ellipse is,

\begin{gathered} (x^2)/(9)+(y^2)/(4)=1 \n (x^2)/(3^2)+(y^2)/(2^2)=1 \end{gathered}

Thus, the major axis length can be determined as,

2a=2*3=6

Thus, option (e) is correct.

Suppose that two cards are randomly selected from a standard​ 52-card deck. ​(a) what is the probability that the first card is a queen and the second card is a queen if the sampling is done without​ replacement? ​(b) what is the probability that the first card is a queen and the second card is a queen if the sampling is done with​ replacement? g

Answers

Hey ,here is the answer to ur question....!
(a).p(that the first card is a queen)=4/52=2/26=1/13
P(the card is a queen if the sampling is done without replacement)=3/52
(B).p(the first card is a queen)=4/52=1/13
P(the second card is queen of the sampling is done with replacement)=1/13....
Hope this helps you....!

Pleaseeeee helpppppppppppp

Answers

9514 1404 393

Answer:

  • maximum height: 26.5 ft
  • air time: 2.5 seconds

Step-by-step explanation:

I find the easiest way to answer these questions is to use a graphing calculator. It can show you the extreme values and the intercepts. The graph below shows the maximum height is 26.5 ft. The time in air is about 2.5 seconds.

__

If you prefer to solve this algebraically, you can use the equation of the axis of symmetry to find the time of the maximum height:

  t = -b/(2a) = -(40)/(2×-16) = 5/4

Then the maximum height is ...

  h(5/4) = -16(5/4)² +40(5/4) +1.5 = -25 +50 +1.5 = 26.5 . . . feet

__

Now that we know the vertex of the function, we can write it in vertex form:

  h(t) = -16(t -5/4)² +26.5

Solving for the value of t that makes this zero, we get ...

  0 = -16(t -5/4)² +26.5

  16(t -5/4)² = 26.5

  (t -5/4)² = 26.5/16 = 1.65625

Then ...

  t = 1.25 +√1.65625 ≈ 2.536954

The cannon ball is in the air about 2.5 seconds.

33 + 2(5+8) - (6-2)2 =

Answers

Answer:

51

Step-by-step explanation:

33+2(5+8)-(6-2)2

openthebracketsFIRST

2(5+8)=26

33+26-(6-2)2

33+18

=51

SOMONE HELP WITH MATH

Answers

Answer:

x = 28

Step-by-step explanation:

HFG = EFI

6x - 4 = 164

6x = 164 + 4

6x = 168

x = 168/6

x = 28
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