Pythagorean theory formula and thank you :)

Answer:

The probability of testing positive for one is 0.20.

The probability of testing negative for one sample is (1-0.2)=0.8.

We only save time when all five are negative, which has a probability of 0.8^5=0.32768.

This means that the expected number of tests is

combined sample tests negative = 1 with probability 0.32768

combined sample tests positive = 1+5 retests = 6 with probability 0.67232

Expected number of tests

=Σ nipi / n

=(1*0.32768+6*0.67232)/5 [divide by 5 because we tested 5 samples]

= 0.87232 < 1

So yes, there is a saving.

Note: In practice, all medical tests are not absolute, i.e. they give false-positives(α) and false-negatives (β). The ratios 1-α and 1-β are respectively measures of specificity and sensitivity.

These two parameters complicate the simplistic evaluation above.

Answer:

5/6

Step-by-step explanation:

5/10 can be simplified as 1/2

1/2 + 1/3 = 3/6 + 2/6 = 5/6

Answer:

5/6

Step-by-step explanation:

Find the greatest common factor which is 30. Divide the GCF by the denominator. Whatever the quotient is, is how much you need to multiply the numerator by. Simplify 25/30 by dividing by 5.

Hope this helps!

Answer: 2nd from the botttom

Step-by-step explanation:

Solving the inequality, we get [tex]m \geq 7[/tex], which matches with the third graph.

Step-by-step explanation:

Don't make the lines i drew i wanted to make it for u easier to read it

A cylinder of radius r cm and height h cm has a curved surface area A cm². Where –

a) We are asked to find formula for h.

[tex]\qquad[/tex][tex]\purple{ \bf \longrightarrow A=2 \pi rh }[/tex]

First, overturn the equation

[tex]\qquad[/tex][tex] \sf \longrightarrow 2 \pi rh =A[/tex]

Divide both sides by 2πr

[tex]\qquad[/tex][tex] \sf \longrightarrow \dfrac{2\pi rh}{2\pi r } = \dfrac{A}{2\pi r}[/tex]

[tex]\qquad[/tex][tex] \sf \longrightarrow \dfrac{\cancel{2 \pi r }h}{\cancel{2\pi r} } = \dfrac{A}{2\pi r}[/tex]

[tex]\qquad[/tex][tex] \purple{\bf \longrightarrow h = \dfrac{A}{2 \pi r }}[/tex]

b) Again, we are given –

[tex]\qquad\qquad\quad\underline{\sf{Substituting \ Values \ :}}[/tex]

⠀⠀⠀━━━━━━━━━━━━━━━━━━━━━━━━━━

[tex]\qquad[/tex][tex] \bf \longrightarrow h = \dfrac{A}{2\pi r }[/tex]

[tex]\qquad[/tex][tex] \sf \longrightarrow h = \dfrac{93}{2 \times 3.1 \times 2.5 }[/tex]

[tex]\qquad[/tex][tex] \sf \longrightarrow h = \dfrac{93}{15.5}[/tex]

[tex]\qquad[/tex][tex] \sf \longrightarrow h =\cancel{ \dfrac{93}{15.5}}[/tex]

[tex]\qquad[/tex][tex]\pink{ \bf \longrightarrow h = 6\: cm }[/tex]

Answer:

It's y =

Step-by-step explanation:

The button at the top left where you'd then input the equation

Answer:

y=

Step-by-step explanation:

All linear equations are in the form:

y=mx+c

To be able to put this into a graphing calculator, you must put y= first.
Check attachment below for an example:

the slope is -4, so B is the answer.

Answer:

the answer is 3 because 2a-2a+6a-2+2+2

2a-2a=0

6a-2+2+2=

6a-6

a= 3

Answer:

gradient = -1

Step-by-step explanation:

identify the y intercept ( the point where it meet the y- axis ) which denoted by c in the formula y =mx + c

in the graph :the y- intercept is 5 (c)

take the coordinate of any point that passes through the line :- for example (2,3)

in (2,3), the value of x is 2

the value of y is 3

using the formula y = mx + c find m with is the gradient ( unknown )

y = mx + c

3 = m2 + 5

2m + 5 = 3

we sent + 5 to the right and it changes sign to become -5

2m = 3 -5

we substract -5 from 3

2×m = -2

we send 2 to the other side so that m can be alone, it change to become divide since it was multiply

m = -2 ÷ 2

m = -1

the gradient ( unknown ) = -1

Answer:

the answer to this is very easy

Step-by-step explanation:

but i do not know

Answer:

Here you go. :D

(Pic included)

Step-by-step explanation:

Hope this helps!

Answer:

pota pota pota thats the song

Answer:

2/15+3/15. = (5×2)+(15×3)/15×5 = 10+45/75=55/75 ÷5=11/15

Answer:

14

Step-by-step explanation:

l-4l is 4 so 12/4=3 3x3=9 9+5 =14

Answer:

14

Step-by-step explanation:

Since absolute value is always positive, you will get 14. I will let you figure it out now. :D

It can be deduced that the probability of having 4 or more correct guesses will be 0.0296.

From the given information, the null hypothesis is p = 1/7 and the alternate hypothesis is p>1/7. In this case, the mind reader gets a 4 out of 9 chances.

In order to test the hypothesis, simulations for 10000 cases were run with a probability of the correct answer being 1/7.

In this case, the p-value is the probability of correct answers that are greater than 4, assuming the null hypothesis is true. Here the p-value is 0.0296.

Also, the significance level to reject the hypothesis is less than 0.01. Since p > 0.01, we then fail to reject the hypothesis. Therefore the null hypothesis stands and Joao is not a mind reader.

Learn more about probability on:

https://brainly.com/question/24756209

Answer:

4

Step-by-step explanation:

[tex]\lim_{x \to \infty}\frac{1-cos4x}{1-cos2x}= \lim_{x \to 0} \frac{(1-cos4x)'}{(1-cos2x)'}= \lim_{x \to 0}\frac{4sin4x}{2sin2x}= \lim_{x \to 0}\frac{2*2sin2xcos2x}{sin2x}\\ = \lim_{x \to 0}4cos2x\\ =4[/tex]

{L'Hospital's rule}

I hope this helps you

:)

Answer:

419ft squared

Step-by-step explanation:

If I am incorrect in my reasoning, please let me know so that I can plan better for my future answers. Have an amazing day.

Answer:

Step-by-step explanation:

Split the shape into two rectangles as shown in the attachment.

Rectangle I

length = 23 ft

Width = 9 ft

Area I = length * width

          = 23*9

          = 207 ft²

Rectangle II:

length = 13 ft

Width = 26 -9 = 17 ft

Area II = 13 * 17

            = 221 ft²

Area of the entire polygon = 207 + 221

                                              = 428 ft²

Answer:

99/1=99

Step-by-step explanation:

The largest possible quotient that has a 1-digit divisor and 2-digit dividend will be 99.

Algebra is the study of abstract symbols, while logic is the manipulation of all those ideas.

The acronym PEMDAS stands for Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This approach is used to answer the problem correctly and completely.

Division means the separation of something into different parts, sharing of something among different people, places, etc.

The smallest one-digit number is 1 and the largest two digits number is 99. Then the largest possible quotient will be given as,

⇒ 99 / 1

⇒ 99

The largest possible quotient that has a 1-digit divisor and 2-digit dividend will be 99.

More about the Algebra link is given below.

https://brainly.com/question/953809

#SPJ2

Answer: 25

9(3)-2

9(3)=27

27-2=25

The equation that best represents this relationship is y = 8x

The standard linear equation is expressed as y = mx + b

writing the given information in a coordinate form (x, y) will give (18, 144) and (22, 176)

Determine the slope "m"

Slope = 176-144/22-18
Slope = 32/4
Slope = 8

Detremine the y-intercept

144 = 8(18) + b

b = 144 - 144
b = 0
Hence the equation that best represents this relationship is y = 8x

Learn more on equation here: https://brainly.com/question/4459283

Answer:

A. 49 + 16 (t - 1)

Step-by-step explanation:

Plug in t = 1 to test for the first hour:

[tex]49+16(1-1)=49+16(0)=49[/tex]

Test as many values as you like, but testing t = 5:

[tex]49+16(5-1)=49+16(4)=49+64=113[/tex]

You can see that plugging in just a few values confirms the answer.

Answer:

C )   She needs to save AT LEAST  20 months

Step-by-step explanation:

Half of her income each month  is $250

m= months

250m ≥ 5000

m≥ 20

Answer:

the answer is A )An approximate solution of the equation p(x ) = q(x ) is (-3, 1).

Step-by-step explanation:

The error that was made is found in; C: Step 3 and it can be corrected by Setting the width greater than.

When trying to construct a line tangent to circle O at a point say P, the steps are as follows;

Step 1; Draw a line from the center through P and beyond the circle.

Step 2; With the compass on P, draw an arc each side of P, creating Q and R.

Step 3; With the compass on Q, set its width to a setting greater than QP.

Step 4; Make an arc in a random location using Q as center with distance less than QR but greater than QP.

Step 5; Without changing the compass width, repeat step 4 for point R, creating point S.

Step 6; Draw a line through P and S.

Step 7; PS is the line tangent to circle O at point P

Looking at the steps and comparing to the question, it is clear that the error was in step 3 where they made the compass on Q equal to QP rather than greater than QP.

Read more about tangent to a circle at; https://brainly.com/question/17040970

Answer:

C: Step 3 and it can be corrected by Setting the width greater than.

Step-by-step explanation:

in case you have not noticed the man who posted on top did say the answer at first then explained why, he desierves brainliest, and who ever didint see his post and made that coment, well, hes kinda blind

Answer:

Step-by-step explanation:

Hi! :)

Please take a look at the diagram of the parallelogram attached.

This is your answer

Have a great day!

Answer:

Look below.

Step-by-step explanation:

The following shape is being reflected across the y-axis.

To confirm this, we can check the coordinates.

When something is reflected across the y-axis, its points' y-coordinate don't change. Upon evaluation of the given transformation, we can see that the y-coordinate does not change for any point.

Now, we check the x-coordinate. The x-coordinate MUST be the opposite of the original x-coordinate...

-2 --> 2

-4 --> 4

0 --> 0

-4 --> 4

-2 --> 2

All of the x-coordinates are opposites, and the y-coordinates remained the same, therefore this figure is being reflected across the y-axis.

Answer:

x = 3

Step-by-step explanation:

=> 5x=15

=> x = 15/5

=> x = 3

Answer:

Step-by-step explanation:

Divide each term in 5x=15 by 5 and simplify.

∴ x=3

Thanks!

Answered by: FieryAnswererGT

#learnwithbrainly

Check the picture below.