1. Neena is listening to a song. It has a consistent beat. She counts 11 beats in 5 seconds. What is the constant of proportionality for the relationship of beats to minutes?

Answer:

1.236 × 10^(-3)

Step-by-step explanation:

Let A be the event that the person is a future terrorist

Let B the event that the person is identified as a terrorist

We are told that there are 1,000 future terrorists in a population of 400 million. Thus, the Probability that the person is a terrorist is;

P(A) = 1000/400000000

P(A) = 0.0000025

P(A') = 1 - P(A)

P(A') = 1 - 0.0000025

P(A') = 0.9999975

We are told that the system has a 99% chance of correctly identifying a future terrorist. Thus; P(B|A) = 0.99

Thus, P(B'|A) = 1 - P(B|A)

P(B'|A) = 1 - 0.99

P(B'|A) = 0.01

We are told that there is a 99.8% chance of correctly identifying someone who is not a future terrorist. Thus; P(B'|A') = 0.998

Hence: P(B|A') = 1 - P(B'|A')

P(B|A') = 1 - 0.998

P(B|A') = 0.002

We want to find the probability that someone who is identified as a terrorist, is actually a future terrorist. This is represented by: P(A|B)

We can find it from bayes theorem as follows;

P(A|B) = [P(B|A) × P(A)]/[(P(B|A) × P(A)) + (P(B|A') × P(A')]

Plugging in the relevant values;

P(A|B) = [0.99 × 0.0000025]/[(0.99 × 0.0000025) + (0.002 × 0.9999975)]

P(A|B) = 0.00123597357 = 1.236 × 10^(-3)

Answer:

A. AB = AC because of the definition of an isosceles triangle

B. ∠B = ∠C because corresponding parts of congruent triangles are congruent.

D. BM = CM because of the definition of a midpoint

Step-by-step explanation:

A. An isosceles triangle is a triangle with two equal sides, hence:

AB = AC because of the definition of an isosceles triangle. option A is correct.

D. Since Point M is drawn as the midpoint of BC, hence:

BM = CM because of the definition of a midpoint. Option D is correct.

E. Reflexive property of congruence states that an angle, line segment, or shape is always congruent to itself. hence AM ≈ AM because of reflexive property.

AM ≈ AM because of the Symmetric Property is wrong. Option E is wrong.

C) The side - side - side (SSS) triangle congruence theorem states that if all the sides of two triangles are equal, then they are congruent triangles.

Since BM = CM, AM = AM and AB = AC, hence ΔABM = ΔACM because of the SSS triangle congruence criterion

ΔABM = ΔACM because of the SAS triangle congruence criterion is wrong. Option C is wrong.

D. Corresponding parts of congruent triangles are congruent. hence:

∠B = ∠C because corresponding parts of congruent triangles are congruent. Option B is correct

Answer:

[tex]uttar \: pradesh[/tex]

Step-by-step explanation:

[tex]because \: all \: except \: uttar \: pradesh \\ \: have \: sea \: coast \\ \: \\need \: brainliest \: and \: thankss...[/tex]

Answer:

[tex]x^{2} -2x-4=0[/tex]

Solving Steps

Use the quadratic formula

[tex]x=\frac{-(-2)(+/-)\sqrt{(-2)^2-4*1*(-4)} }{2*1}[/tex]

Multiply / Remove the parentheses / Evaluate

[tex]x=\frac{2(+/-)\sqrt{4+16} }{2}[/tex]

Calculate

[tex]x=\frac{2(+/-)\sqrt{20} }{2}[/tex]

Separate the solutions

[tex]x=\frac{2(+/-)2\sqrt{5} }{2} \\x=\frac{2-2\sqrt{5} }2}[/tex]

Simplify

[tex]x=1+\sqrt{5} \\x=1-\sqrt{5}[/tex]

Answer:

65% :) enjoy your day!

Step-by-step explanation:

please mark brainliest

Answer:

B: Divide by -2

Step-by-step explanation:

The only logical conclusion would be divide by -2, though that may not be the entire correct answer. Why?

Firstly, the sequence of 8, -4, 2, -1 only follows division by -2. Division by 2 would result in 8, 4, 2 and 1, multiplication by -2 would result in 8, -16, 32, -64, and multiplication by 2 would result in 8, 16, 32 and 64. Hence, the only logical conclusion would be division by -2.

However, this rule breaks down as we go into the fractions. -1 / -2 is 1/2, sure, but (1/2) / -2 should be - 1/4, and not 1/4. Hence, as we go into the fractions, the rule should have changed to division by 2 instead.

The only solution to unite the whole sequence would be to correct 1/4 to -1/4, and maybe OP should check whether that is the case.

Hope this helped!

Answer:

b. divided by -2

Step-by-step explanation:

Answer:

[tex]3)\ and\ 4)[/tex]

Step-by-step explanation:

[tex]We\ are\ given\ that,\\A\ is\ the\ set\ of\ squares.\\x\ belongs\ to\ the\ Set\ A\\y\ belongs\ to\ the\ Set\ A,\ too.\\Hence,\\Lets\ consider\ that\ \sqrt{x} =a, \sqrt{y}=b\\Hence,\\a^2=x, b^2=y\\Before\ proceeding\ we\ may\ use\ the\ following\ Laws\ Of\ Exponents:\\* For\ any\ two\ real\ numbers,\ m\ and\ n, m^a*n^a=(mn)^a\\* For\ any\ two\ real\ numbers,\ m\ and\ n, \frac{m^a}{n^a}=[\frac{m}{n}]^a\\[/tex]

[tex]Now,\\When\ we\ intend\ to\ multiply\ x\ and\ y,\\x*y=a^2*b^2\\xy=a^2*b^2\\xy=(ab)^2\\As\ the\ new\ term\ xy\ is\ the\ square\ of\ product\ of\ a\ and\ b\,\ it\\ is\ a\ square\ too.\ Hence,\ it\ belongs\ in\ the\ set\ of\ squares(A).\\Similarly,\\When\ we\ intend\ to\ divide\ x\ by\ y,\\\frac{x}{y} =\frac{a^2}{b^2}\\Hence,\\\frac{x}{y} =[\frac{a}{b}]^2\\As\ the\ new\ term\ \frac{x}{y}\ is\ the\ square\ of\ the\ quotient\ of\ a\ and\ b\ i.e\ \frac{a}{b}, the\ term\\ \frac{x}{y}\ too\ belongs\ toA[/tex]

[tex]Why\ not\ 1)\ and\ 2)?\\Because\ by\ just\ adding/subtracting\ x\ and\ y:\\x+y=a^2+b^2\\x-y=a^2-b^2\\It\ doesnt\ really\ prove\ that\ their\ sum\ say\ c\ is\ a\ perfect\ square.(except\\ in\ the\ case\ of\ Pythagorean\ Triplets [Ex. 3,4,5\ or\ 6,8,10]. Hence, As\\ not\ all\ numbers\ form\ integral\ pythagorean\ triplets,\\ (x+y)\ and\ (x-y)\ are\ not\ always\ perfect\ squares\ and\ hence,\\ dont\ belong\ to\ Set\ A.[/tex]

[tex]This\ gives\ Options\ 3)\ and\ 4)\ as\ the\ right\ answer.[/tex]

Answer:

Mexico

Step-by-step explanation:

It’s in Spanish

Answer:

The caterer served 5 hours. x = 5

Step-by-step explanation:

25x + 225 = 350

We must use inverse operations to get x

25x + 225 - 225 = 350 - 225

25x = 125

25x ÷ 25 = 125 ÷ 25

x = 5

the caterer served 5 hours.

I hope this helped and if it did I would appreciate it if you marked me Brainliest. thank you and have a nice day!

Answer:

c

Step-by-step explanation:

I took the test and got a 4/5

Answer:

(-4)^5x(-5)^5=

Step-by-step explanation:

Answer:

0.25

Step-by-step explanation:

Answer:

the amswer is b hope this helps

Answer:

answer is 3 upon 4

Step-by-step explanation:

because if we reduce 18/24 to its lowest term so first we have to reduce 18 to and then 24 --- 18 is factor of 9x2 and 24 is factor of 12x2 then we have to cut 2 in both and there is answer 9 upon 12 still it is reducing so 3x3 is 9 and 3x4 is 12 so now we have to cut 3 in both the answer is 3 upon 4

Answer:

A

Step-by-step explanation:

Answer:

A: They can order from 0 to 449 bars, but no more.

Step-by-step explanation:

the other guy deserves more likes

To calculate this percentage, we suggest using this formula:

% / 100 = Part / Total

Substituting the provided values:

60/100 = Part / 20

Performing cross multiplication:

60 x 20 = 100 x Part, or

1200 = 100 x Part

Now just divide by 100 and get the answer:

Part = 1200/100 = 12

Answer:

221,760

Step-by-step explanation:

1. multiply 231,000 by 4

2. divide the answer by 100

3. subtract that answer from 231,000

4. This is the answer to the question

Answer:

yes

Step-by-step explanation:

Answer:

Step-by-step explanation:

For Mr Rowley,

Ratio of Number of home works to the number of exit tickets = [tex]\frac{12}{14}[/tex]

                                                                                                      = [tex]\frac{6}{7}[/tex]

                                                                                                      = 6:7

For Ms Rivera,

Ratio of Number of home works to the number of exit tickets = [tex]\frac{36}{42}[/tex]

                                                                                                      = [tex]\frac{6}{7}[/tex]

                                                                                                      = 6:7

Since, both the ratios are same, fractions will be proportional.

[tex]\frac{12}{14}=\frac{36}{42}[/tex]

Answer:

Austin earned a higher score

Step-by-step explanation:

47/50 (Austin's score) = 94/100 (denominator is now 100) = 94% (converted to percentage) > 92% (Marty's score)

Hope this helps!

Answer:

Austin earned a higher score.

Step-by-step explanation:

Marty 50 * 0.92 = 46 points

Answer:

y = 13

Step-by-step explanation:

y = 13

Answer:

3w+7=31

Step-by-step explanation:

Subtract 7 on both sides

3w+7=31

     -7   -7

Divide by 3 on both sides

3w=24

/3    /3

w=8

Hopefully, this helps! :)

Answer:

It can't be made into a mixed number

Step-by-step explanation:

Answer:

Step-by-step explanation:

From the given information:

x = number of ads in sports illustrated

y = number of ads in Man's health

Thus, the total ads read by z = (4x +y) million people

The objective function to maximize Z (millions) is:

Z = 4x + y

To determine x & y; constraint to,

x  ≥ 3,  y  ≥  4

Budget constraint:  2000x + 1000y ≤ 14000

By approaching the graphically

If we draw the line x = 3 , y = 4

Then;

2000x + 1000y = 14000

2x + y = 14

Corner points are A (3,4), B(5,4), C(3,8)

At A(3,4):

Z = 4(3) + 1 (4) = 16

At B(5,4):

4(5) + 1 (4) = 24

At C(3,8):

4(3) + 1(8) = 20

Thus, Z = 24 million.    x = 5, y = 4

Therefore;

they should place 5 ads in sports illustrated.

4 ads in man's health to maximize the number of 24 million readers.

Answer:

$15 and 50 cents

Step-by-step explanation:

3.25x2=6.50+9=15.50

Answer:

0.68?

Step-by-step explanation:

I am not from English speaking country so I am not sure about the first sentence but the second

126n = 86 | /126

n = 86/126

n ≈ 0,68

Answer:

2 * x - 2

Step-by-step explanation:

If you double something on one side, you have to do it on the other side

So you can do this for any problem, and it will be equivalent to the original expression :D

Answer:

A balanced diet is when we eat different groups of food in right proportion and in sufficient quantity to maintain a healthy life

The function of proteins :supply the amino acids necessary to synthesize new proteins needed for metabolism,growth and repair

Answer: Light caused the eludes plants to photosynthesize, releasing O2 gas

Students replicated the experiment carried out in biology class, and after observing for 24 hours that gas had accumulated in one of the inverted test tubes, it is by light caused to elodea plant to photosynthesize and release oxygen, hence option D is correct.

There are numerous studies that show photosynthesis in action. For instance, when an elodea plant is exposed to sunlight, gases are emitted, collected in a tube, and tested to see if they contain oxygen.

This shows that the plant creates oxygen and glucose when exposed to sunlight.

Therefore students replicated the experiment carried out in biology class, and by the plant during the process of photosynthesis, hence option D is correct.

Learn more about photosynthesis, here:

https://brainly.com/question/30033973

#SPJ5

Answer:

find a common denominator

Step-by-step explanation: