is this true of false ?? please help

Answer:

6/9

Step-by-step explanation:

6 numbers including 29 are odd

Answer:

6x = 4

Step-by-step explanation:

4x-3=2x+7

group like terms:

4x +2x = -3+7

solve:

6x =  4

Answer: I believe that there are 108 crewmembers on the ship.

Step-by-step explanation: Since for every 5 passengers you have 1 crewmember i divided 540 by 5 landing me at the answer 108.

Answer:

I don't know the answer but ik how to do it

Step-by-step explanation:

you find how many metres there are in 48km and how many seconds there are in a hour then you divided and times it by 3 and thats the speed of the cat in 3 seconds

Answer:

Harry needs to make 12 potions to get an A.

Step-by-step explanation:

He currently has a D

+ 4 = C

+ 4 = B

+ 4 = A

4 + 4 + 4 = 12 potions

So, Harry needs to make 12 potions to get an A in his potions class.

Using the hypergeometric distribution, it is found that the distribution is:

P(X = 0) = 0.0152

P(X = 1) = 0.1818

P(X = 2) = 0.4545

P(X = 3) = 0.3030

P(X = 4) = 0.0455

Hence:

A) There is a 0.0455 = 4.55% probability that all selected rats are female.

B) There is a 0.1818 = 18.18% probability that only one of the selected rats is female.

C) There is a 0.803 = 80.3% probability that at least two of the selected rats is female.

D) The mean of the probability distribution is of 2.18.

E) The standard deviation of the probability distribution is of 0.833.

The rats are chosen without replacement, hence the hypergeometric distribution is used to solve this question.

The formula is:

[tex]P(X = x) = h(x,N,n,k) = \frac{C_{k,x}C_{N-k,n-x}}{C_{N,n}}[/tex]

[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[/tex]

The parameters are:

In this problem:

The distribution is the probability of each outcome, hence:

[tex]P(X = x) = h(x,N,n,k) = \frac{C_{k,x}C_{N-k,n-x}}{C_{N,n}}[/tex]

[tex]P(X = 0) = h(0,11,4,6) = \frac{C_{6,0}C_{5,4}}{C_{11,4}} = 0.0152[/tex]

[tex]P(X = 1) = h(1,11,4,6) = \frac{C_{6,1}C_{5,3}}{C_{11,4}} = 0.1818[/tex]

[tex]P(X = 2) = h(2,11,4,6) = \frac{C_{6,2}C_{5,2}}{C_{11,4}} = 0.4545[/tex]

[tex]P(X = 3) = h(3,11,4,6) = \frac{C_{6,3}C_{5,1}}{C_{11,4}} = 0.3030[/tex]

[tex]P(X = 4) = h(4,11,4,6) = \frac{C_{6,4}C_{5,0}}{C_{11,4}} = 0.0455[/tex]

Item a:

P(X = 4) = 0.0455, hence:

There is a 0.0455 = 4.55% probability that all selected rats are female.

Item b:

P(X = 1) = 0.1818, hence:

There is a 0.1818 = 18.18% probability that only one of the selected rats is female.

Item c:

[tex]P(X \geq 2) = P(X = 2) + P(X = 3) + P(X = 4) = 0.4545 + 0.3030 + 0.0455 = 0.803[/tex]

There is a 0.803 = 80.3% probability that at least two of the selected rats is female.

Item d:

The mean of the hypergeometric distribution is:

[tex]\mu = \frac{nk}{N}[/tex]

Hence:

[tex]\mu = \frac{4(6)}{11} = 2.18[/tex]

The mean of the probability distribution is of 2.18.

Item e:

The standard deviation of the hypergeometric distribution is:

[tex]\sigma = \sqrt{\frac{nk(N-k)(N-n)}{N^2(N-1)}}[/tex]

Hence:

[tex]\sigma = \sqrt{\frac{4(6)(11-6)(11-4)}{11^2(11-1)}} = 0.833[/tex]

The standard deviation of the probability distribution is of 0.833.

More can be learned about the hypergeometric distribution at https://brainly.com/question/24826394

By comparing all the options with the formula of sum of cubes and difference of cubes we get that  [tex](x+4)\left(x^{2}-4 x+16\right)[/tex]  is sum of cubes

Formula of sum of cubes and difference of cubes are following

[tex](a+b)(a^2 -ab +b^2) = a^3+ b^3 \\\\\\(a - b)(a^2+ ab+ b^2) = a^3 - b^3[/tex]

(a)

[tex](x-4) \left(x^{2}+4 x-16\right)\\=(x-4) \left(x^{2}+4 x-4^2\right)\\\\[/tex]

by comparison with formula we can say that this is neither sum or nor difference of cubes.

(b)

[tex](x-1)\left(x^{2}-x+1\right)\\=(x-1)\left(x^{2}-x+1^2\right)[/tex]

by comparison with formula we can say that this is neither sum nor difference of cubes.

(c)

[tex](x+1)(x-1)=x^{2}-1^{2}\\[/tex]

we can say that this is neither sum  nor difference of cube as it's difference of squares.

(d)

[tex](x+4)\left(x^{2}-4 x+16\right)\\\\(x+4)\left(x^{2}-4 x+4^2\right)[/tex]

by comparison with formula this is equal to

[tex]x^{3}+4^{3}\\[/tex]

Hence this is sum of cubes

(e)

[tex](x+4)\left(x^{2}+4 x+16\right)\\(x+4)\left(x^{2}+4 x+4^2\right)[/tex]

by comparison with formula we can say that this is neither sum  nor difference of cubes.

By comparing all the options with the formula of sum of cubes and difference of cubes we get that  [tex](x+4)\left(x^{2}-4 x+16\right)[/tex] is sum of cubes

To know more about cubes visit: https://brainly.com/question/107100

Answer:

Number three and five.

C. (x - 1) (x²+ x + 1)

E. (x + 4)(x²+ 4x + 16)

Step-by-step explanation:

Edge. You’re welcome.

Answer:

The answer is -    a = b - 18

Step-by-step explanation:

Have a nice day.

I hope this helps :D

An angle of 78° is a supplement of another angle. We know that the sum of the supplementary angles is 180° and the sum of complementary angles is 90°. Let's take another angle to be x. Hence, the measure of another angle is 102°.

Answer:

18*

Step-by-step explanation:

When two angles add up to 90°, we say they "Complement" each other.

Complementary comes from Latin completum meaning "completed" ...

because the right angle is thought of as being a complete angle.

Spelling: be careful, it is not "Complimentary Angle" (with an "i") ...

that would be an angle you get for free!

Answer:

3

Step-by-step explanation:

4 x 6 = 24

24 divided by 8 = 3

3 x 8 = 24

Answer:

x = 8

Explanation:

f(x) = g(x)

Given:

solve:

-20x + 11 =  -19x + 3

-20x + 19x = 3 - 11

-x = -8

x = 8

Answer: They signed it to end the Revolutionary War. They promised to recognise American independence and ceded territory east of the Mississippi River  to the U.S

Step-by-step explanation:

Answer:

Part A: 25%
Part B: 40%

Step-by-step explanation:

Given the following questions:

$240000 for a studio apartment
$60000 as a down payment.

In order to find the answer, we use the formula to calculate the percentage for the total cost of the studio apartment and the down payment.

Part A:
[tex]\frac{c\times n}{100}[/tex]
[tex]\frac{25\times240000}{100} =25\times240000=60000[/tex]
[tex]=60000[/tex]

Part B:
[tex]\frac{c\times n}{100}[/tex]
[tex]\frac{40\times240000}{100} =40\times240000=9600000\div100=96000[/tex]
[tex]=96000[/tex]

The percent of a down payment of $60,000 for a $240,000 studio apartment is "25%." While the percent of a $96,000 dollar down payment for a $240,000 studio apartment is "40%."

Hope this helps.

Answer:

35 + 7x = y

Step-by-step explanation:

The temp starts at 35 and increases by 7 degrees every hour.

Have a great day!

Please rate and mark brainliest!

Answer:

(11 - a)(7 + a)

Step-by-step explanation:

81 - (a - 2)² ← is a difference of squares and factorises in general as

a² - b² = (a - b)(a + b) , then

81 - (a - 2)²

= 9² - (a - 2)²

= (9 - (a - 2) )(9 + (a - 2) )

= (9 - a + 2)(9 + a - 2)

= (11 - a)(7 + a)

Answer:

Step-by-step explanation:

For a set of numbers to be a side of a triangle, two of the numbers must add up to greater than the third number. And that must be repeated for all the numbers.

Right of the bat, we notice the bottom left choice is the answer because 15 plus 27 is less than 43.

Hope that helps!

Answer:

if you mean a proper fraction then lets get 2 1/5

Answer:

look at the pic below and just connect the points

Step-by-step explanation:

Answer:

Write an equation in slope-intercept form of the line that passes through the points (-3,-7) and (1,9)yes

Step-by-step explanation:

Write an equation in slope-intercept form of the line that passes through the points (-3,-7) and (1,9)

Step-by-step explanation: i cant see it clearly

Answer:

6.3

Step-by-step explanation:

35.91/5.7 = 6.3

it looks like a regular parallelogram, meaning that w * l = A

Answer:

6.3 I think

Step-by-step explanation:

Divide the area by the side length
please mark brainlest!

Answer:

[tex]4+0.20m > 30[/tex]

Step-by-step explanation:

You add 4 to the 2 cents

Answer:

[tex]=9-x-8y[/tex]

Step-by-step explanation:

[tex]9-\left(x+8y\right)[/tex]

[tex]\mathrm{Apply\:the\:distributive\:law}:\quad \:-\left(a+b\right)=-a-b[/tex]

[tex]-\left(x+8y\right)=-x-8y[/tex]

[tex]=9-x-8y[/tex]

Answer:

108 cubes were taken to make this prism

Process

First count Face

And multiple with 2.

Again , Next face

And multiple with 2.

Again next face

And multiple with 2.

Answer:

16 tons

Step-by-step explanation:

i hope this helps! have a wonderful rest of ur day :)

and if its not too much to ask will you mark me as brainliest pls, im trying to rank up this month and i only need 3 more, if not then its ok! ty and let me know if theres anything else you need!!

Answer:

16 tons

Step-by-step explanation:

I think it is 16 tons

sorry for answering so late lol i dont even remember how I got here

Answer:

The duration is 135 minutes ie. 2 hours and 15 minutes

Answer:

15 marks

Step-by-step explanation:

If the average mark obtained by 3 students is 15, then the total marks are

⇒ 3 x 15 = 45

Let x be the marks obtained by the third student.

If two students obtained 12 and 18 marks, then

⇒ 12 + 18 + x = 45

⇒ 30 + x = 45

⇒ x = 45 - 30

⇒ x = 15

Solution:

We can clearly say that "mean" has been used.

In this case, we are given three numbers, 12, x, and 18.

The marks obtained by the third student is 15 marks.

Answer:

the answer is infinitely many solutions to an equation

hope this helps!

Answer:

19

Step-by-step explanation:

tigers=38 goals

clubs=19 fewer than tigers

equation: 38-19=19