B
21
31
20
C
G
42
H
16
28
D

Answer:2sin(x)

Step-by-step explanation:.

Answer: D.

Step-by-step explanation:

Answer:The degree of the product is equal to the sum of the degrees of the factors.

Step-by-step explanation:

(a) The amount will be increasing by 83%.

(b)  Part B's account has a higher percentage change in money over the preceding year than Part A's account.

A part or quantity in every hundred is defined as a percentage. It's a fraction having a denominator of 100. The percentage difference is the change in the value of a quantity over time expressed as a percentage difference. Percentage Change is a term used to describe the growth or decrease in a quantity expressed in percentages.

Find:

Whether the amount is increasing or decreasing over the years and which is experiencing a greater change.

From the given equation,1.831>1 , this shows that money in account A is  83% more, compared to its previous year. The amount will be increasing by 83%.

Part B:

The change in each consecutive term is 94%. This shows that the consecutive term is multiplied by 94%  the previous year's amount. As a result, Part B's account has a higher percentage change in money over the preceding year than Part A's account.

Hence we get the required answer.

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Answer:

I think the values are :

Step-by-step explanation:

AC= -5

CB= -2

AB= -3

The value of the exterior angle of the  measure of the angle X is found as  120.85°.

For the stated question-

Three angles of the triangle XYZ are-

∠Y = 63.25°

∠Z = 28.8°.

then, by angle sum property of  triangle.

∠X + ∠Y + ∠Z = 180

∠X = 180 - 63.25° - 28.8°.

∠X = 87.95

Thus, exterior angle to X.

Exterior angle = 180 - ∠X (linear pair)

Exterior angle = 180 - 87.95

Exterior angle = 120.85°

Thus, the value of the exterior angle of the  measure of the angle X is found as  120.85°.

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Answer:

the answer is 87.95

Step-by-step explanation:

Answer: 8.4

Step-by-step explanation: 5.25 divided by 5 is 1.05. So 1.05 x 8 is 8.4

Answer:

Step-by-step explanation:

The answer is 3.

X=2X-3

X+3=2X

3=2X-X

3=X

Answer:

3x < 2x + 8

Step-by-step explanation:

The value of "-3" in the context of this situation is "tiger loses 3 balls each round".

The correct answer option is option A

y = -3x + 28

Where,

For instance, if the tigers played 8 rounds of golf,

The number of golf lost = - 3x

= -3(8)

= -24

Then,

The number of golf balls in tigers golf bag,

y = -3x + 28

= -3(8) + 28

= -24 + 28

= 4 golf balls.

Therefore, the situation can be solved using equation and determining the parameters of the equation.

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Answer:

Tiger begins with 3 balls in his golf bag.

Step-by-step explanation:

:)

we are 90% confident that the mean penguin height lies in the range:

14.99 and 15.81

A popular deviation (or σ) is a degree of the way dispersed the facts is on the subject of the imply. Low popular deviation way facts are clustered across the imply, and excessive popular deviation shows facts are greater unfold out. What is the usual deviation example? Consider the facts set: 2, 1, 3, 2, four.

The imply and the sum of squares of deviations of the observations from the imply could be 2.four and 5.2, respectively. Thus, the usual deviation could be √(5.2/5) = 1.01. Standard deviation tells you ways unfold out the facts is. It is a degree of the way some distance every determined fee is from the imply. In any distribution, approximately 95% of values could be inside 2 popular deviations of the imply.

Given sample  mean=x=15.4 kg

sample standard deviation=s=2.5 kg

sample size=n=100 penguins

z multiplier for 90 CI is 1.645

90% CI for population mean is given by:

[tex]X+Z_{\frac{\alpha }{2} } * \frac{Z}{\sqrt[]{N} }[/tex]

15.4 (±)1.645(2.5)/sqrt(100)

15.4(±)1.645(2.5)/10

15.4  (±)  0.41125

15.4-.41125<μ<15.4+.41125

14.98875<μ<15.81125

we  are 90% confident that the mean penguin height lies in the range

14.99 and 15.81

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The fraction when five friends divide three bags of apples equally between them is 3/5.

A fraction is simply a piece of a whole. The number is represented mathematically as a quotient where the numerator and denominator are split. In a simple fraction, the numerator as well as the denominator are both integers.

Therefore, the fraction when five friends divide three bags of apples equally between them will be:

= Number of apple / Number of friends

= 3/5

The fraction is 3/5.

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The domain of the function (t) in h(t) = -16t² + 16t+ 96 should be greater than or equal to 3 seconds.

Inequality is a relation that compares two numbers or other mathematical expressions in an unequal way. The symbol a < b indicates that a is smaller than b. When a > b is used, it indicates that a is bigger than b.

Given that height of the rocket in feet is given by h(t) = -16t² + 16t+ 96 where t represents the time in seconds after launch

We know that height can not be negative.

∴ h ≥ 0.

So,  - 16t² + 16t+ 96 ≥ 0.

- t² + t+ 6 ≥ 0.

t ≥ 3 seconds.

Therefore the domain of the function (t) in h(t) = -16t² + 16t+ 96 should be greater than or equal to 3 seconds.

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Answer:

Step-by-step explanation:

All units of a physical measure are linked via a conversion factor. On this web page for every unit you can find the conversion factor compared to the base unit (SI unit).

To do a conversion (or equivalent) you must multiply the value to be converted by the conversion factor of the start unit and then divide the result by the conversion factor of the destination unit.

For example, we want to know how many centimeters equals 12 yards?

# convert the units in meters (which is the SI base unit for the lengths)

# 1 yard = 0.9144 meters

# 1 centimeters = 0.01 meters

# derive the conversion factor between the yard and centimeters by dividing the factors found

# 0.9144/0.01 = 91.44

# 1 yd = 91.44 cm

# now we multiply the amount to be converted by the conversion factor found

# 12 * 91.44 = 1097.28

# result: 12 yd equals 1097.28 cm

Unit conversion tool implements this simple algorithm.

Answer:

x = 9/5 − 4y/5

x = 7 + y/2

Step-by-step explanation:

Move all terms that dont contain x to the right side and solve.

660 or it may not be that because only said that theres 22 classrooms. So yeah ;)

30 x 22 = 660 its just multiplication

Answer:

Step-by-step explanation

x=2

To keep track of each student's preferred hue, Mr. Roberson constructed a frequency table. According to the frequency chart, the following statements are accurate:

Hence, Options B and D are correct.

The number of times a specific value appears in the data is the value's frequency. Frequency tables or charts are used to represent frequency distributions.

A variable's distribution is its frequency pattern, or the collection of all conceivable values and the frequencies corresponding to those values.

Therefore, Options B and D are correct.

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The system of equations has no solutions, the correct option is A.

The system of equations is:

y = x^2 + x + 3

y = -2x -5

The system can be solved if we solve the equation:

-2x - 5 = x^2 + x + 3

So we need to solve that quadratic equation, we can rewrite it as:

x^2 + x + 3 + 2x + 5 = 0

x^2 + 3x + 8 = 0

Let's check the discriminant to see how many solutions we have:

D = (3)^2 - 4*1*8

D = 9 - 32 = -23

We have a negative discriminant, so we only have complex solutions, thus, the system of equations has no solutions.

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536.2  cubic inches  is the volume of a cube with surface area of 396.

a three dimensional shape can be defined as a solid figure or an object or shape that has three dimensions—length, width, and height.

Given,

[tex]A=6V^{\frac{2}{3}}[/tex]

A is surface Area ‘A’, in square units, of a cube

V is  volume of cube in cubic units.

We need to find the volume, in cubic inches, of a cube with surface area of 396.

A=396

We need to find V

[tex]V^{\frac{2}{3} } =A/6[/tex]

=396/6

=66

[tex]V=66^{\frac{3}{2} }[/tex]

V=536.2  cubic inches

Hence, 536.2  cubic inches  is the volume of a cube with surface area of 396.

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Answer:

Step-by-step explanation: 500

The number of ways can the selection be made is 84.

Given:

an executive hires 3 office workers from 8 applicants.

a ) .

Number of ways = C ( 8 , 3 )

C ( n , r ) = n! / ( n - r ) ! r!

C ( 8 , 3 ) = 8! / ( 8 - 3 ) ! 3!

= 8! / 5! * 3 !

= 8 * 7 * 6 * 5! / 5! * 3!

= 56 * 6 / 3!

= 56 * 6 / 3 * 2 * 1

= 56 * 3 / 2 * 1

= 28 * 3 / 1

= 28 * 3

= 84 ways

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The greatest number of silverware holders Mary can stock is 4, each containing 4 forks and 3 knives so that no fork or knife is left over and are distributed equally.

What is distribution?

When a quantity is to be distributed equally into a certain number of groups, we divide the quantity by the number of groups.

Given: 16 Forks and 12 knives

To find: number of silverware stocks = ?

As we know that the knives and forks should be distributed equally in each silverware holder, 4 forks and 3 knives will go into each of the silverware holder.

Now, we need number of silverware holders each having same number of forks and knives.  

4 forks×4 = 16

3 knives× 4  = 12

∴ Number of silverware holders Mary requires to distribute knives and forks equally with no left over is 4.

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Percentage of buyers who paid more than $155,000 is equal to 2.78%.

The standard deviation is a metric that reveals the degree of variation (such as spread, dispersion, and spread) from the mean. The standard deviation represents a "average" departure from the mean. Because it uses the original units of measurement from the data set, it is a well-liked measure of variability. Similar to variance, there is little variation when data points are close to the mean, but there is much variation when data points are widely scattered from the mean. The amount of departure from the average is determined by standard deviation. The most common measurement of dispersion, the standard deviation, is based on all values. Therefore, a change in even one value has an impact on the standard deviation's value. It is

Given:

Mean is $150,000, and

Standard deviation is $2500.

We need to determined the percentage of buyers who paid more than $1,55,000 as per given mean and standard deviation.

By using z score formula can be use to calculate the percentage of the buyer who paid,

z=    [tex]\frac{x-μ}{σ}[/tex]

As given in question sample mean i.e. X= 150,000

= [tex]\frac{1,55,000- 1,50,000}{2500}[/tex]

=2

By using standard normal distribution table,

P(X > 155000) = P( z > 2 )

= 1 - 0.9772

=0.0278

Hence, it is equal to 2.78%.

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Answer:

f = 8

Step-by-step explanation:

First, let's multiply this equation out

10 = 3f - 15 + 1

Simplify:

10 = 3f - 14

Add 14 to both sides:

24 = 3f

Divide both sides by 3:

f = 8

Let's plug this in to make sure:

10 = 3(8 - 5) + 1

10 = 24 - 15 + 1

10 = 24 - 14

10 = 10

Thus, the answer is not -75, but I applaud you for trying before coming here!

I hope this helped!

we use is the derivative of top times bottom times top over bottom squared. At the critical point, we want eight X ln x minus four X to equal zero.

Only one answer—two x minus one and one x minus half—will satisfy the condition. The largest and smallest endpoints on the left and right must be determined. On each of these items, there is an E square root. A maximum for the minimums occurs at critical point or endpoints. We can see that these will be absolute according to the extreme value theorem, and here is our maximum.

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Nearly half of the newborns among nonsmokers (56 out of 115, 48.7%) have birth weights between 3,000 and 4,000 grammes. 40 of 74, or 54%, of the infants born to smokers have birth weights between 2,000 and 3,000 grammes, with fewer infants in the larger weight groups.

What is birth weight?

The body weight of a newborn is referred to as birth weight. Infants of European descent typically weigh between 2.5 and 4.5 kilogrammes at birth, with an average of 3.5 kilograms. South Asian and Chinese babies weigh about 3.26 kilogrammes on average.

Babies born to nonsmokers typically weighed between 1,000 and 5,000 grammes. Babies born to smokers often ranged in weight from 500 to 4500 grammes.

However, we also notice some significant variations between the two groups' normal ranges of birth weights. With fewer infants in the lower weight ranges, nearly half of the newborns among nonsmokers (56 out of 115, 48.7%) have birth weights between 3,000 and 4,000 grammes. 40 of 74, or 54%, of the infants born to smokers have birth weights between 2,000 and 3,000 grammes, with fewer infants in the larger weight groups.

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Answer: The recursive formula generate term at a time by relating the term to one or more previous terms

Step-by-step explanation: The formula for recursive is

f(1)=6,f(n)=f(1)+f(n-1),n>1

Answer:

Step-by-step explanation:

Given: AC = CB

CD Bisects AB 

Prove: ΔADC= ΔBDC

AC≅CB Given

AD ≅ DB are congruent because of the segment bisector theorem.

DC≅DC reflexive property

ΔADC≅ ΔBDC  SSS theorem

We may determine that the triangles are congruent based on the (B) HL criterion right away.

According to the HL Postulate, a right triangle's hypotenuse and leg are congruent if they are also congruent with the hypotenuse and leg of another right triangle.

So, we can see from the accompanying figure that these two triangles share a center line that is parallel to the base.

The two triangles are therefore right-angled triangles.

The hypotenuse of two triangles being congruent is then mentioned as a further argument.

Triangle congruence according to the HL criterion allows for a quick determination of congruence.

Therefore, we may determine that the triangles are congruent based on the (B) HL criterion right away.

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Complete question:
Which criteria for triangle congruence allows you to immediately conclude that the triangles are congruent without any extra steps?

A) SAS

B) HL

C) AAS

D) none