MATHEMATICS HIGH SCHOOL

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Answers

Answer 1
Answer:

Answer:

,lo

Step-by-step explanation:

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Which of the binomials below is a factor of this expression? 100A2 - 49B2

Answers

The answer is D. 10A +7B on apex.

In which quadrant is the number –14 – 5i located on the complex plane?

Answers

The complex plance is just like the trigonometric plane except the case is just the x plane pertains to the imaginary part of teh number and the y axis pertains to the real part of the number. In the number -14-15i, x axis is negative and y axis is also negative. Hence the number should belong to quadrant III. 
the answer will be 5i+6

a bowling ball is dropped from a height of 24 feet. write a function that gives the height h (in feet) of the bowling ball after t seconds

Answers

Answer:

h=16t^2

Step-by-step explanation:

t = Time taken

u = Initial velocity

v = Final velocity

s = Displacement

a = Acceleration due to gravity = 32 ft/s²

s=ut+(1)/(2)at^2\n\Rightarrow h=ut+(1)/(2)32* t^2\n\Rightarrow h=ut+16t^2

Here, u = 0 so,

h=0t+16t^2\n\Rightarrow h=16t^2

The equation is h=16t^2

24=16t^2\n\Rightarrow t=\sqrt{(24)/(16)}\n\Rightarrow t=1.22\ s

Time taken by the ball to hit the ground is 1.22 seconds
gravity pulls at 32 feet per second so it would take .75sec to hit the ground now make an equation that can make this applicable so after .75 second T it would be at 0 feet H

Could you please explain it?

Answers

Hello,
there are some words that I could not read. But:
I support evements are independants.
p(s)=0.2
p(l)=1-0.2=0.8 l=lose

1)0.8*0.2=0.16

2) 0.8²*0.2=0.128

3) 0.8^3*0.2=0.1024

4) 0.2*0.8^(n-1)

Josh used a standard deck of 52 cards to conduct an experiment. Half of the cards in the deck were red. The other half were black. Josh predicted that he would choose a red card in 4 out of 8 trials. When he conducted the experiment, he actually chose a red card 6 out of 8 times. Which explains the most likely reason for the discrepancy between Josh’s predicted and actual results?He incorrectly predicted the number of times he would choose a red card.
He incorrectly determined the actual number of times he chose a red card.
He used too few trials for the sample space.
He used too many trials for the sample space.

Answers

Step-by-step explanation:

He used too few trials for the sample space.

If he conducts a lot more trials, his results will be closer to 50% red

Using the following system of inequalities find the maximum value of f(x,y) = 3x + 7yx≥0
y≥0
3x+2y≤18
6x+7y≤42

Answer:

Answers

x ≥ 0
y ≥ 0
f(x, y) = 3x + 7y
f(0, 0) = 3(0) + 7(0)
f(0, 0) = 0 + 0
f(0, 0) = 0

3x + 2y ≤ 18 ⇒ 3x + 2y = 18 ⇒ 21x + 14y = 126
6x + 7y ≤ 42 ⇒ 6x + 7y = 42 ⇒ 12x + 14y =   84
                                                              9x = 42
                                                               9      9
                                                                x = 4²/₃
                                                      3x + 2y = 18
                                                3(4²/₃) + 2y = 18
                                                      14 + 2y = 18
                                                    - 14         - 14
                                                              2y = 4
                                                               2     2
                                                                y = 2
                                                          (x, y) = (4²/₃, 2)
f(x, y) = 3x + 7y
f(4²/₃, 2) = 3(4²/₃) + 7(2)
f(4²/₃, 2) = 14 + 9
f(4²/₃, 2) = 23
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