SOMEONE PLEASE HELP ME
IT'S TIMED
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Answers

Answer 1
Answer:

Answer:

H = 8 cm

Step-by-step explanation:

The formula of a volume of a cylinder:

V=\pi r^2H

We have

r=6cm,\ V=904.78\ cm^3

Substitute:

\pi(6^2)H=904.78\n\n36\pi H=904.78\qquad\text{use}\ \pi\approx3.14\n\n(36)(3.14)H=904.78\n\n113.04H=904.78\qquad\text{divide both sides by}\ 113.04\n\nH\approx8\ cm


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A die is rolled 200 times with the following results.Outcome
1
2
3
4
5
6
Frequency
32
36
44
20
30
38
What is the experimental probability of rolling the given result?
a.
0.88
c.
0.56
b.
0.34
d.
0.44

Answers

Final answer:

The experimental probability of rolling the given results are: a. 0.16, b. 0.18, c. 0.22, d. 0.1. The correct answer is b. 0.18.

Explanation:

To find the experimental probability of rolling a given result, divide the frequency of that result by the total number of rolls. In this case, the frequency of rolling a 1 is 32, and the total number of rolls is 200. So the experimental probability of rolling a 1 is 32/200 = 0.16. Repeat this process for the other results:

  • Experimental probability of rolling a 2: 36/200 = 0.18
  • Experimental probability of rolling a 3: 44/200 = 0.22
  • Experimental probability of rolling a 4: 20/200 = 0.1
  • Experimental probability of rolling a 5: 30/200 = 0.15
  • Experimental probability of rolling a 6: 38/200 = 0.19

Based on these calculations, the experimental probability of rolling the given results are:

  • a. 0.16
  • b. 0.18
  • c. 0.22
  • d. 0.1

Therefore, the correct answer is b. 0.18.

Learn more about experimental probability here:

brainly.com/question/32179349

#SPJ2

Answer: D) 0.44

==========================================================

Explanation:

Add up all the frequencies that correspond to outcomes that are more than 3

So we'll add up the last three frequencies (since they correspond to outcomes of 4, 5 and 6 all of which are greater than 3) to get 20+30+38 = 88

We have 88 occurrences of rolling either a 4, a 5 or a 6. This is out of 200 rolls total.

The empirical (or experimental) probability of getting more than 3 on the die is 88/200 = 0.44

Is y+6x=-14 quadratic?

Answers

normally it is a function where you have y=output or f(x)

minus 6x
y=-6x-14
f(x)=-6x-14

quadratic functions are second degree, meaning they have x^2 as hiehgest exponnet

the highest is x^1

it is NOT quadratic
no,  because it doen't follow the quadratic equation formula.

something x squared plus/minus something x plus/minus something

Three times the sum of a number and seven is two less than five times the number.

Answers

3 (x + 7) =  5x - 2
3x + 21 = 5x - 2
3x - 5x = -2 - 21

-2x = -23 
x = -23/-2
x = 23/2


The diagram shows a vertical tower DC on a horizontal ground ABC. ABC is a straight line.

The angle of elevation of D from A I'd 28°.

The angle of elevation of D from B is 54°.

AB=25m

Calculate the height of the tower.

Give your answer in 3 significant figures.

I need working out. Plz help me.

Answers

the measure of ABD=180°- 54°=26°
and then the measure of ADB= x
and x + 26° + 28°= 180°, sum of anlgle in a triagle property
 it means x= 180°- 26-28=126°
application of sinus law in the triangle

sin 28 / BD = sin 126/ AD = sin 26/ 25 so we can deduce that 

AD= 25sin126 / sin26= 46.12
let 's consider the triangle ADC, so for finding h, we have sin 28 = h / AD
and then h = AD x sin28=21.65

Calculate the height of the tower is 21.65

450+25s=79+25s yes for algevra

Answers

Answer:

This statement is false

Step-by-step explanation:

To get the 25s on one side, you would need to subtract 25s from both sides but that leaves you with 450 =79 which is not true.

450+25s=79+25s

subtract 25s to both sides:

450=79

this is FALSE

Add any three numbers of the following and answer should be 60?(2 , 6, 10, 14, 18, 22, 26, 30, 34, 38, 42, 46, 50, 54, 58)

Answers

Answer:

This is not possible.

Step-by-step explanation:

The given series is : 2 , 6, 10, 14, 18, 22, 26, 30, 34, 38, 42, 46, 50, 54, 58

Now, adding any three numbers to get 60, is not possible.

The numbers are in the form 2+4n where n is a positive integer.

Summing together three such numbers you get 6+4N

(N = n1 + n2 + n3, ...)

We want to get 6+4N= 60

=> 4N =54

=> n1+n2+n3 =27.5

Hence, it is not possible.

six, twenty- two, and thirty
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