Drag each label to the correct location on the equation. Each label can be used more than once, but not all labels will be used. A company has two packaging machines in a unit, each with a different daily capacity. The capacity of machine 1 is defined by the function f(m) = (m + 4)2 + 100, and the capacity of machine 2 is defined by the function g(m) = (m + 12)2 − 50, where m is the number of minutes the packaging machine operates. Create the function C(m) that represents the combined capacity of the two machines

Answers

Answer 1

The combined capacity is given by (f+g) m = 2m² +32 m +210

What is an Equation ?

An equation is defined as a mathematical statement used to relate a dependent and an independent variable.

The equation that gives the capacity of machine 1 is

f(m) = (m+4)² +100

and

The equation that gives the capacity of machine 2 is

g(m) = (m + 12)² -50

The total capacity of both the machine is given by

f(m) + g(m) =  (m+4)² +100 +(m + 12)² -50

(f+g) m = 2m² +32 m +210

Therefore the combined capacity is given by (f+g) m = 2m² +32 m +210

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Related Questions

Find the midpoint of a A(3, -1) and B(x, y) is P(4, - 5). Find the coordinates of B. pls answer it is urgent i will mark him or her brainlest​

Answers

Answer:

is this tye required answer

A pet supply store lets you donate your change to the local animal shelter. Denise buys a bag of dog food for $15.74 and a squeaky toy for $3.98. She gives the cashier $20. If she gives all of her change, how much will Denise donate to the animal shelter?

Answers

Considering her change, it is found that she will donate $0.28 to the animal shelter.

How to find the amount of change in a purchase?

The amount of change is given by the subtraction of the total paid and the price of the products.

In this problem, the price of the products bought is given by:

$15.74 + $3.98 = $19.72

She paid $20, hence the change is given by:

$20 - $19.72 = $0.28.

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Select the correct answer.
Serena's financial goal is to reduce debt. Which statement could make Serena's financial goal specific and timely?


Serena should focus on a certain credit card and give herself a deadline.
Serena should focus on a certain amount and track her spending.
Serena should track the amount of debt reduced over a period of six months.
Serena should track her purchases at gas stations for one year.
O A.
O B.
O C.
O D.

Answers

Serena should focus on a certain amount and track her spending. Option B

What Serena should do

From the information given, Serena wants to reduce debt and to do this she needs to pay attention on how she borrows and the possible way to pay her debts.

Some possible ways to reduce debts include;

Develop a budgetTrack your expensesDo not take more debtPay bills in timeCheck bills carefully

Thus, Serena should focus on a certain amount and track her spending. Option B

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A triangle is shown with its exterior angles. The interior angles of the triangle are angles 2, 3, 5. The exterior angle at angle 2 is angle 1. The exterior angle at angle 3 is angle 4. The exterior angle at angle 5 is angle 6.
Which statements are always true regarding the diagram? Select three options.

m∠5 + m∠3 = m∠4
m∠3 + m∠4 + m∠5 = 180°
m∠5 + m∠6 =180°
m∠2 + m∠3 = m∠6
m∠2 + m∠3 + m∠5 = 180°

Answers

Answer:

The Three options are

1.  m∠5 + m∠6 = 180°  ...........Linear Pair

2. ∠ 2+ ∠ 3 = ∠ 6.................Exterior angle Property of Triangle

3. m∠2 + m∠3 + m∠5 = 180° .....Triangle Sum Property

Step-by-step explanation:

Consider Δ ABC with Exterior angles as

∠ 1 , ∠ 4 ,and ∠ 6

Exterior angle Property of Triangle:

An exterior angle of a triangle is equal to the sum of the opposite interior angles.

For Exterior ∠ 1 we have

∠ 1 = ∠ 5 + ∠ 3 .................Exterior angle Property of Triangle

Similarly,

For Exterior ∠ 4 we have

∠ 4 = ∠ 5 + ∠ 2.................Exterior angle Property of Triangle

Similarly,

For Exterior ∠ 6 we have

∠ 6 = ∠ 2 + ∠ 3.................Exterior angle Property of Triangle

Triangle Sum Property:

Ina triangle sum of the measures of angles is equal to 180°

∴ m∠2 + m∠3 + m∠5 = 180° .....Triangle Sum Property

Linear Pair:

The measure of a straight angle is 180 degrees, so a linear pair of angles must add up to 180 degrees.

∴ m∠5 + m∠6 = 180°  ...........Linear Pair

Answer:

m∠5 + m∠6 =180°

m∠2 + m∠3 = m∠6

m∠2 + m∠3 + m∠5 = 180°

Step-by-step explanation:

got it correct on my test

A
B
Value: 10
AB=
12√2
BC=
45°
Find the missing side lengths. (Enter your answer
without units.)
C

Answers

Answer:

12

Step-by-step explanation:

This is a special triangle with angle measure 45-45-90

The side lengths for this special right triangle is as follows:

The side length that sees angle measure 90 is represented by a[tex]\sqrt{2}[/tex]

The side lengths that see angle measures 45 is represented by a

We can see from the image hypotenuse (the side that sees angle 90)

is given as 12[tex]\sqrt{2}[/tex] that means a = 12

So the missing side lengths (both see angle measure 45) = 12

The 8. is just the number of the question.

Answers

The value of (1+tanx)(1-tanx)+sec²x is 0 and the value of [tex]\frac{sec^{2}-4 }{sec+2}[/tex] is [tex]sec\theta \ -2[/tex].

Given that, (1+tanx)(1-tanx)+sec²x.

Now, (1-tan²x)+sec²x

=1-tan²x+sec²x

=1+sec²x-tan²x

=1-1=0

Now, evaluate [tex]\frac{sec^{2}-4 }{sec+2}[/tex]

[tex]=\frac{sec^{2} \theta \ -2^{2} }{sec\theta \ +2} =\frac{(sec \theta \ +2)(sec \theta \ -2)}{sec \theta \ +2}[/tex] (∵a²-b²=(a+b)(a-b))

[tex]=sec \theta \ -2[/tex]

Hence, the value of (1+tanx)(1-tanx)+sec²x is 0 and the value of [tex]\frac{sec^{2}-4 }{sec+2}[/tex] is [tex]sec\theta \ -2[/tex].

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Raul is building a house. On day 1, he uses 3 bags of cement. On each of the following 3 days, he uses 3 times the number of bags used the previous day. How many bags of cement does he use in the last 3 days?

Answers

Answer:

117 bags

Step-by-step explanation:

Day 1: 3 bags

Day 2: 3 × 3 = 9 bags

Day 3: 9 × 3 = 27 bags

Day 4: 27 × 3 = 81 bags

Total: 9 + 27 + 81 = 117 bags

Answer:

81 bags of cement in the last 3 days.

Step-by-step explanation:

On the first day he used 3 bags.

The second day he used twice that amount so that would be 3²=9

The third day he used twice the amount he used the second day. So that would be 9²=81.

He used 81 bags of cement in the last 3 days.

Hope this helps!

If not, I am sorry.

HELP HELP HELP

Just 5 quick algebra 1 questions for 50 points!

Answers

1. x = a

2. y = b

3. It has an undefined slope.

4. You can either use, rise/run or change in y / change in x.

5. Rewrite the given equation in slope-intercept form, then determine the y-intercept, b, of the line.

What is the Equation of a Line?

Equation of a line with m as slope and b as y-intercept is given as: y = mx + b.

1. Vertical lines have undefined slope. This implies that, for a given point, (a, b), the equation that models the line would be expressed as x = a, where a is the x-intercept.

Vertical line equation is: x = a.

2. Horizontal lines have 0 as a slope value, therefore, given (a, b), the equation that models the line is: y = b.

3. Equation for a vertical line cannot be written in slope-intercept form because the slope for a vertical line is undefined.

4. Using the following, rise/run or change in y / change in x, the slope (m), can be calculated given the coordinates of two points on a line.

5. To find an equation in point-slope form, e.g. y - 3 = 6(x - 4), rewrite the equation in slope-intercept form:

y - 3 = 6x - 24

y = 6x - 24 + 3

y = 6x - 21

The y-intercept, b, is: -21.

Therefore, the coordinate of the y-intercept would be: (0, -21).

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What is the product of the...

Answers

Step-by-step explanation:

the answer is C) 8x^5y - 6x^4y^2

pls like and follow.

hope you understand as well

Alice is able to produce 3 dozen cupcakes in 90 minutes. How many cupcakes can she produce in 8 hours

Answers

Answer:

[tex]\boxed{192~cupcakes}[/tex]

Step-by-step explanation:

dozen = 12

3 × 12 = 36 cupcakes

I.

36 cupcakes ----------------  90 minutes

                x    ----------------  60 minutes

[tex]x=\dfrac{36\cdot 60}{90 } ~ cupcakes\\\\x=24~cupcakes[/tex]

II.

24 cupcakes ---------------------- 60 minutes = 1 hour

          y         ----------------------    8 hours

 

[tex]y=\dfrac{8\cdot 24 }{1} ~cupcakes\\\\\boxed{y=192~cupcakes}[/tex]

They will produce 192 cupcakes in 8 hours.

the question is on the image​

Answers

Answer:

nth term: 0.5n² + 2.5n + 3

Explanation:

pattern 1 = 6 bowls

pattern 2 = 10 bowls

pattern 3 = 15 bowls

pattern 4 = 21 bowls

First difference:

10 - 6 = 415 - 10 = 521 - 15 = 6

Second difference:

5 - 4 = 16 - 5 = 1

This is not an arithmetic nor a geometric sequence.

Solve:

2a  = 2nd difference

2a = 1

a = 1/2 or 0.5

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

3a + b = 1st difference

3a + b = 4

b = 4 - 3(1/2)

b = 2.5

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

a + b + c = first term

1/2 + 2.5 + c = 6

c = 3

Quadratic nth term:

0.5n² + 2.5n + 3

PLEASE HELP!!!

Angle CAE is congruent to angle___

Angle CBF is congruent to angle___

Answers

Answer:

Angle CAE is congruent to angle    CBE  

Angle CBF is congruent to angle    CAF  

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

Explanation:

Angle CAE is an inscribed angle that subtends the minor arc CE

Minor arc CE is the distance around the circle from C to E following the shorter path. All minor arcs are smaller than 180 degrees.

What other inscribed angle also subtends minor arc CE? That would be inscribed angle CBE

Notice that CAE and CBE both have "C" and "E" as the first and last items. The only change is the middle letter. This is a quick nonvisual way to determine inscribed angles.

Recall that if two inscribed angles subtend the same arc, then they are congruent. Therefore, angle CAE is congruent to angle CBE

-------------------

For similar reasoning, angles CBF and CAF are congruent inscribed angles that subtend minor arc CF.

For more information, check out the inscribed angle theorem. Also I recommend using GeoGebra as a handy tool.

Triangles F G H and F J H share common side F H. Sides F G and G H are congruent. Sides F J and J H are congruent.
Which explains whether ΔFGH is congruent to ΔFJH?

They are congruent because GH ≅ GF, JF ≅ JH, and FH ≅ FH.
They are congruent because opposite sides of a parallelogram are congruent.
They are not congruent because only one pair of corresponding sides is congruent.
They are not congruent because only two pairs of corresponding sides are congruent.

Answers

ΔFGH is congruent to ΔFJH They are not congruent because only one pair of corresponding sides is congruent.

The correct option is (C)

What is Congruency?

Two geometric figures are said to be congruent, or to be in the relation of congruence, if it is possible to superpose one of them on the other so that they coincide throughout.

Given:

ΔFGH and ΔFJH share common side FH. Sides FG and GH are congruent.

As, per the information, it can be seen that the triangles are not congruent as one pair of corresponding side is not congruent.

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Answer: C

Step-by-step explanation: edge

what is inversion transformation ​

Answers

Answer:

Inversión en una circunferencia es una transformación que conserva la magnitud de los ángulos pero cada ángulo se transforma en un ángulo de signo opuesto . El sentido o dirección de cada ángulo se invierte. La inversión en una circunferencia es una transformación anti-conforme(como la reflexión en una recta).

Step-by-step explanation:

El sentido o dirección de cada ángulo se invierte. La inversión en una circunferencia es una transformación anti-conforme(como la reflexión en una recta).

Answer:

inversion transformations are a natural extension of Poincaré transformations to include all conformal one-to-one transformations on coordinate space-time.

Through how many degrees does the hour hand of a clock travel between 3:00pm and 3:15pm?

Answers

Answer: 90 degrees

Explanation: A clock is a circle, so overall it’s 360 degrees. It is divided by 60 separate minute marks. So to find the degree for each minute we divide 360 by 60 and get 6. This means each minute is work 6 degrees. Now we see that the time change between 3:00 and 3:15 is 15 minutes. So we need to multiply 15 by 6. This gives us 90 which is the final answer.

Answer:

90 degrees

Step-by-step explanation:

the clock is a circle so the entire # of degrees is 360.

there are 12 sections on the clock so 360 /12 =30

so each section is 30 degrees.

if you go from 3:00 to 3:15, that is 3 sections.

so 3 times 30 is 90

Natalie is ordering a burrito. For the main protein, she is given the option of veggie, chicken, carnitas, or carne asada. For the beans, she is given the option of no beans, black beans, or pinto beans. How many possible order combinations are there?

Answers

Answer: 12

Step-by-step explanation:

For this counting question, we need to figure out the possible choices for each selection.

For main protein, there are four options, so we can make four slots

_ _ _ _

For beans, there's three options, so we can make three slots
_ _ _

Doing some casework, we know that 4*3 = 12, which is the answer.

hellp help
x =x=x, equals

^\circ



degrees

Answers

The sum of the unknown angle and 33 degrees are supplementary. The measure of x is 147 degrees

Supplementary angles

The sum of the unknown angle and 33 degrees are supplementary to have:

x + 33 = 180

Subtract 33 from both sides

x + 33 - 33 = 180 - 33

x = 180 - 33

x = 147degrees

Hence the measure of x is 147 degrees

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Answer:

Step-by-step explanation:

x + 33° = 180°

reason :( they are cointerior angle )

x = 180° - 33°

x = 147°

Triangles A B C and N M Q are shown. Sides B C and N M are congruent. Angles A B C and Q N M are congruent. Angles B C A and N M Q are both right angles.
Nessa proved that these triangles are congruent using ASA. Roberto proved that they are congruent using AAS. Which statement and reason would be included in Roberto’s proof that was not included in Nessa’s proof?

Given: AngleB ≅ AngleN; BC ≅ NM; AngleC is right; AngleM is right
Prove: TriangleABC ≅ TriangleQNM

AngleA ≅ AngleQ because of the third angle theorem.
AB ≅ QN because they are both opposite a right angle.
BC ≅ NM because it is given.
AngleC ≅ AngleM because right angles are congruent.

Answers

What would be included to prove both triangles are congruent by the AAS theorem is: B. AB ≅ QN because they are both opposite a right angle.

What is the AAS Congruence Theorem?

The AAS congruence theorem states that two triangle are congruent if both have two pairs of corresponding congruent angles and a pair of non-included corresponding congruent sides.

In the image given, since AB and QN both lie opposite a right triangle, then they are congruent to each other.

Therefore, to prove both triangles are congruent by AAS theorem, what would be included is: B. AB ≅ QN because they are both opposite a right angle.

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Answer:

AngleA ≅ AngleQ because of the third angle theorem

Step-by-step explanation:

right on edge

If 1/2 is the fraction representing the ratio of corresponding sides of two similar
triangles, the ratio of the areas of the triangles would be:

Answers

Answer:

1/4

Step-by-step explanation:

The ratio of the areas is the square of the ratio of the lengths of sides.

(1/2)² = 1/4

Answer: 1/4

Determine the equation of the parabola shown in the diagram in vertex form.

Answers

By the vertex form of the parabola, the equation of the parabola shown in the diagram is equal to the quadratic equation y - 1 = (2/3) · (x - 3)².

How to determine the equation of the parabola in vertex form

Parabolae are represented mathematically by second order polynomials, which can be described either in standard form or in vertex form. In accordance to the picture, we have a parabola with a vertical axis of symmetry. The formula in vertex form is described by this expression:

y - k = C · (x - h)²

Where:

(h, k) - Coordinates of the vertex.C - Vertex constant

Please notice that vertices represent the absolute extreme of the parabola. We can determine the equation by knowing the vertex and another point. Let be (h, k) = (3, 1) and (x, y) = (0, 7), then we find that the vertex constant is:

7 - 1 = C · (0 - 3)²

6 = 9 · C

C = 2/3

By the vertex form of the parabola, the equation of the parabola shown in the diagram is equal to the quadratic equation y - 1 = (2/3) · (x - 3)².

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How can you quickly determine the number of roots a polynomial will have by looking at the equation?

Answers

One can determine the number of roots by seeing the degree of the given polynomial.

The number of roots can be determined by just seeing the highest power of the given equation.

1) for the equation  x-4=0

here, the highest power of the equation is one. So, it will have one root.

What is the polynomial?

A polynomial is an expression consisting of indeterminates and coefficients, that involves only the operations of addition, subtract multiplication, on,  and non-negative integer exponentiation of variables.

Let's check it by simplifying x-4=0  which implies x=4

Hence, the equation has only one root namely x = 4.

2) Consider a quadratic equation,

10t^2-t-3=0

here, the highest power of the equation is two. So, it will have two roots.

Let's check it by simplifying using the middle term splitting method,

10t^2+5t-6t-3=0

5t(2t+1)-3(2t+1)=0

(5t-3)(2t+1)=0

t=-3/5 or t=-1/2

Thus, the equation has two roots.

Hence, one can determine the number of roots by seeing the degree of the given polynomial.

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11. (21x² - 6x +14) + (x²-3x+18)

Answers

Answer:

22x^2-9x+32

Step-by-step explanation:

(21x² - 6x +14) + (x²-3x+18)

To add, we need to combine like terms

21x^2+x^2     -6x-3x    +14+18

22x^2-9x+32

Answer:

22x² - 9x + 32

Step-by-step explanation:

(21x² - 6x +14) + (x²-3x+18)

Get rid of the parenthesis:

21x² - 6x + 14 + x² - 3x + 18

Group like terms:

22x² - 9x + 32

Everyday Math
425. Cooking Natalia's pasta recipe calls for 2 pounds of pasta for 1 quart of sauce. How many pounds of pasta should Natalia cook if she has 2.5 quarts of sauce?

Answers

Answer:

5

Step-by-step explanation:

........................

Answer:

If Natalia's pasta recipe calls for two pounds of pasta for one quart of sauce.

Then she needs to cook 5 pounds of pasta if she has 2.5 quarts of sauce.

Step-by-step explanation:

Given that Natalia's pasta recipe calls for two pounds of pasta for one quart of sauce.We need to find pounds of pasta to be cooked if she has 2.5 quarts of sauce.Use the unitary method to find the pounds of pasta to be cooked.

Step 1 of 2

Given that Natalia's pasta recipe calls for two pounds of pasta for one quart of sauce.

If one quart of sauce calls for two pounds of pasta,

Then to find how much pasta is needed for 2.5  quarts of sauce we need to form a proportion.

Let the pounds of pasta needed be x .

[tex]$$\begin{aligned}\frac{\text { pasta }(\text { inPounds })}{\text { Sauce }(\text { inQuarts })} &=\frac{\text { pasta }(\text { inPounds })}{\text { Sauce(inQuarts })} \\\frac{2}{1} &=\frac{x}{2.5}\end{aligned}$$[/tex]

Multiplying both sides by 2.5 we get,

[tex]$$\begin{aligned}\frac{2}{1} \times 2.5 &=\frac{x}{2.5} \times 2.5 \\x &=2 \times 2.5 \\x &=5\end{aligned}$$[/tex]

Step 2 of 2

To check if the answer is reasonable, we substitute it back in the formed proportion

[tex]$\frac{2}{1}=\frac{x}{2.5}$$[/tex]

We found x=5 hence,

[tex]$$\begin{aligned}\frac{2}{1} &=\frac{5}{2.5} \\2 &=2\end{aligned}$$[/tex]

Here, LHS =RHS

Hence, our answer is correct.

Part of the graph of the function f(x) = (x + 4) (x - 6) is shown below. A 2 Which statements about the function are truc? Select two options.

Answers

The true options include the following:

The vertex of the function is at (1,–25).The graph is negative on the entire interval –4 < x < 6.

What is a Graph?

This is defined as a pictorial representation of data or variables in an organized manner.

Function f(x) = (x + 4)(x – 6)

Graph intersects the x-axis at points (-4,0) and (6,0).

x-coordinate of vertex = -4+6/2 = 1

y-coordinate of vertex = (1+4) (1-6) = 5(-5) = -25

The vertex is at the point (1,-25).

The graph is positive for all x< -4 or x>6.

The graph is negative for –4 < x < 6.

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Here is a list of ages (years) of children in a room: 9 , 9 , 9 , 4 , 9 , 1 , 10 State the median.

Answers

Answer:

the median is 9

Explanation

Finding the median is easy, all you need to do is put the numbers in numeric order and the one that's in the middle of the numbers is the median

9 , 9 , 9 , 4 , 9 , 1 , 10  =   1, 4, 9, (9), 9, 9, 10

                                              (median)

SOLVING

[tex]\Large\maltese\underline{\textsf{A. What is Asked}}[/tex]

Given the Ages of students: 9,9,9,4,9,1,10. State the median

[tex]\Large\maltese\underline{\textsf{B. This problem has been solved!}}[/tex]

[tex]\boxed{\begin{minipage}{7cm} Before finding the median, we\\ need to arrange \\ our data from least to greatest. \end{minipage}}[/tex]

Thus,

[tex]\bf{1,4,9,9,9,9,10}[/tex].

[tex]\fbox{The median is the number in the middle.}[/tex]

Thus,

[tex]\bf{9}[/tex]

[tex]\cline{1-2}[/tex]

[tex]\bf{Result:}[/tex]

            [tex]\bf{=9}[/tex]

Extra information [tex]\curvearrowright[/tex]

[tex]\begin{tabular}{c | 1} Data Parameter & What to Do \\ \cline{1-2} \\ Mean & Add all the numbers and divide by how many there are \\ Median & Arrange the numbers from least to greatest and take the number \\ & in the middle. Take the mean of the 2 numbers in the middle \\ & if there's an even amount of numbers \\ Mode & The number that occurs the most \\ Range & The largest number minus the smallest number \\ Minimum & The smallest value \\ Maximum & The largest value \end{tabular}[/tex]

[tex]\LARGE\boxed{\bf{aesthetic\not1\theta\ell}}[/tex]

How many solutions exist for the system of equations graphed below?

Answers

Answer: one

Step-by-step explanation:

     When a system of equations is graphed the solutions are the point of intersections. Here, we only have one point of intersection since these are both linear equations. That means there is only one solution.

Four students are trying to find the rule that translates point N(–2, –4) to N prime (2, 4). Each student’s reasoning is shown below. Raheem: The rule is (x times (negative 1), y times (negative 1)) because Negative 2 times (negative 1) = 2 and Negative 4 times (negative 1) = 4. Casey: The rule is (x + 2, y + 4) because the image is (2, 4). Andrew: The rule is (x + 4, y + 0) because the coordinates are opposites. Lo: The rule is (x + 4, y + 8) because Negative 2 + 4 = 2 and Negative 4 + 8 = 4. Which student is correct?

Answers

Answer:

Raheem

Step-by-step explanation:

if you can solve, i will give brainliest!
What is the sum of StartRoot 3 EndRoot – i and 2 – StartRoot 3 EndRooti?

(2 + StartRoot 3 EndRoot) – (1 –StartRoot 3 EndRoot )i
(2 + StartRoot 3 EndRoot) – (1 + StartRoot 3 EndRoot)i
(2 + StartRoot 3 EndRoot) + (1 + StartRoot 3 EndRoot)i
(2 + StartRoot 3 EndRoot) + (1 – StartRoot 3 EndRoot)i

Answers

Answer:

(2 + StartRoot 3 EndRoot) – (1 + StartRoot 3 EndRoot)i

Step-by-step explanation:

I'm 100% sure! ^^

Answer:

B: (2 + StartRoot 3 EndRoot) – (1 + StartRoot 3 EndRoot)i

Step-by-step explanation:

Took the quiz

IJ=
Measure of IJ
Help me thanks

Answers

Answer: 11

Step-by-step explanation:

By the secant-secant theorem,

[tex]5(5+7)=(JK)(15)\\\\60=(JK)(15)\\\\JK=4\\\\\implies IJ=15-4=11[/tex]

Based on a poll, 867 of 1050 randomly selected adult said that they always wear seat belts. Construct and interpret a 97% confidence interval for the proportion of adults who always wear seat belts.

Answers

The 97% confidence interval for the proportion of adults is 0.801<P<0.851.

Given that 867 adults are randomly selected from 1050 who always wear seat belts.

A confidence interval refers to the probability that a population parameter will fall between a set of values for a certain proportion of times.

Let's assume n=1050 and x=867

Find the sample proportion by dividing the given proportion with sample size as,

[tex]\begin{aligned}\hat{p}&=\frac{x}{n}\\\hat{p}&=\frac{867}{1050}\\ \hat{p}&=0.826 \end[/tex]

Find the α by subtracting the given confidence interval that is 97% from 1 as

α=1-(97÷100)

α=1-0.97

α=0.03

To find the critical value that is [tex]Z_{\frac{\alpha}{2}}[/tex] by dividing alpha with 2,

[tex]\begin{aligned}Z_{\frac{\alpha}{2}}&=Z_{\frac{0.03}{2}}\\ Z_{\frac{\alpha}{2}}&=Z_{0.015}\end[/tex]

From this table which is shown in the figure it says that the critical value is

[tex]Z_{crit}=\pm 2.17[/tex]

Use this formula to find the confidence interval [tex]P=\hat{p}\pm Z_{Crit}\times \sqrt{\frac{\hat{p}(1-\hat{p})}{n}}[/tex]

Substitute the values in the formula,

[tex]\begin{aligned}P&=0.826\pm 2.17\times \sqrt{\frac{0.826(1-0.826)}{1050}}\\ P&=0.826\pm 2.17\times \sqrt{\frac{0.826\times 0.174}{1050}}\\ P&=0.826\pm 2.17\times 0.0116995\\ P&=0.826\pm 0.025\end{aligned}[/tex]

Hence, a 97% confidence interval for the proportion of adults who always wear seat belts is 0.801<P<0.851.

Learn more about confidence interval from here brainly.com/question/13929861

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