So I don’t understand what I have to do exactly. Help me out ?

Answer:

The apprentice

Step-by-step explanation:

They both make 5 burgers a minute because, 25/5=5, and 35/7=5

Answer:The apprentice is right.

Step-by-step explanation:

Shown in picture below

Hope this helps :)

The distance she has walked around a swimming pool is 44 ft.

What is circumference?

The circumference of the circle is the length of the curve traced out from the fixed point which is equidistant from the locus of the curve.

Given that:-

The circumference of the circular swimming pool will be:-

C  =  2 π r

C  =  2  x  π  x  7

C   =  44 ft

Therefore the distance she has walked around a swimming pool is 44 ft.

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44

Step-by-step explanation:

i got this right on my exam i am  in 8th

Answer:

The answer is 3:8 or 3 to 8

Step-by-step explanation:

The value of the exponent (2/5)^3 is \(\frac{8}{125}\)

In the above question, it is given that

(2/5)^3

The number of times a number has been multiplied by itself is referred to as an exponent. For instance, the expression 2 to the third (written as 2^3) signifies 2 x 2 x 2 = 8.

We need to solve it and then find the value of the exponent

(2/5)^3

= \(\frac{2}{5}\) x \(\frac{2}{5}\) x \(\frac{2}{5}\)

= \(\frac{2 . 2. 2}{5 . 5 . 5}\)

= \(\frac{8}{125}\)

Therefore the value of the exponent (2/5)^3 is \(\frac{8}{125}\)

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Answer: 2

(0, 2)

Step-by-step explanation: The y-intercept is on the x-axis so the x-value is 0

Thus,  78% of the people surveyed,  shopped at a local grocery store.

In essence, percentages are fractions with a 100 as the denominator. We place the percent symbol (%) next to the number to indicate that the number is a percentage. For instance, you would have received a 75% grade if you answered 75 out of 100 questions correctly on a test (75/100).

Grocery Options:

                                Store           Online          Total

Women                     32                 9                  41

Men                           28                8                   36

Total                          60               17                  77

Total people = 77

Total people who shop at a local grocery store = 60

Thus,

Percentage = 60/77 *100  = 77.92% = 78%

Thus,  78% of the people surveyed,  shopped at a local grocery store.

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Answer:

1, 206 inches

Step-by-step explanation:

We draw the conclusion that the results are significantly different since the null hypothesis was rejected, which means that a different proportion of people than 0.3 had clinical illness.

With the aid of a statistical test, researchers weigh the evidence in favor of and against the null and alternative hypotheses, which are two opposing claims: The null hypothesis (H0) states that there is no population impact. Alternative hypothesis (Ha or H1): The population is affected.

Given,

Among susceptible individuals exposed to a particular infectious agent 30% generally develop clinical disease. out of a random sample of 100 people suspected of exposure to the agent only 20 developed clinical disease.

Let X be the random variable to determine the proportion of people who have clinical illness.

n: The overall number of people who were exposed to a specific infectious pathogen.

p: The percentage of sample members who have a clinical illness.

Selected subjects who experience clinical disease are the experiment's success.

As a result, the variables are n = 100 and p = 0.30.

It is necessary to determine whether exposure to the agent outcome may be entirely accounted for by coincidence.

A P-value is a probabilistic indicator of the likelihood that an observed outcome effect is accidental.

Using the default level of significance = 0.05, the level of significance is not defined.

One percentage z-test is the best suitable test for the aforementioned assertion.

The alternate and null hypothesis is

H0: p = 0.3

H1:: p ≠ 0.3

Where p is the percentage of the population that develops a clinical illness.

R may be used to calculate the p-value and test statistic.

The instruction is as follows:

x = 20; n = 100; p = 0.3; prop.test

The result looks like this: - The p-value obtained from the output above is 0.03817.

Decision principle:

When significance is 5%,

If the p-value is below 0.05, reject the null hypothesis.

Accept the contrary.

Because the p-value was 0.03817 0.05

The null hypothesis is disproven.

In conclusion:

We draw the conclusion that the results are significantly different since the null hypothesis was rejected, which means that a different proportion of people than 0.3 had clinical illness.

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Step 1

given

Step 2

\(\angle HKM \cong \angle OKM, \angle HMK \cong \angle OMK\)

Step 3

\(\overline{KM} \cong \overline{KM}\)

Reason: Reflexive property

Step 4

ASA

Answer:

7 cm and 49 cm²

Step-by-step explanation:

(a)

A square has 4 equal sides , then

28 cm ÷ 4 = 7 cm

The length of each side of the square is 7 cm

(b)

The area (A) of a square is

A = s² ( s is the side length ) , then

A = 7² = 49 cm²

Answer:

Step-by-step explanation:

Perimeter of square will be equal to the length of the  string

Perimeter of square = 28 cm

4*side = 28

Divide both sides by 4

Side = 28/4

Side = 7 cm

b) Area of square = side * side

                             = 7 * 7

                             =49 cm²

This measure of central tendency can be considered the most precise in option c. mean

The mean is a measure of central tendency that calculates the average of a set of values. It is often considered the most precise measure because it takes into account all the values in the dataset and provides a balanced representation.

The mean is calculated by summing all the values and dividing by the total number of values. Unlike the mode, which only identifies the most frequently occurring value, and the median, which represents the middle value, the mean incorporates all the values and provides a comprehensive summary of the dataset.

However, it is important to note that the mean can be sensitive to extreme values or outliers in the data.

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The solutions to the quadratic equation 3u^2 + 6u - 9 = 0 are u = 1 and u = -3.

To solve the quadratic equation 3u^2 + 6u - 9 = 0 using the quadratic formula, we can substitute the coefficients into the formula and simplify.

The quadratic formula is given as: u = (-b ± √(b^2 - 4ac)) / (2a)

In this equation, a = 3, b = 6, and c = -9. Substituting these values into the formula, we get:

u = (-6 ± √(6^2 - 4 * 3 * -9)) / (2 * 3)

Simplifying further:

u = (-6 ± √(36 + 108)) / 6

u = (-6 ± √144) / 6

u = (-6 ± 12) / 6

Now, we have two possible solutions:

u = (-6 + 12) / 6 = 6 / 6 = 1

u = (-6 - 12) / 6 = -18 / 6 = -3

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900 + 315 + 150 = 1,365 square yards is the total area. The sum of triangles 1 and 2 is 315 square yards.

To calculate the size of the playground, divide the land into two triangles, a rectangle, and a square, and then add the areas of each.

Given that it is 50 yards long and 18 yards broad, the rectangle's area is.

900 square yards is the area of a rectangle, which is equal to length times breadth times 50 divided by 18.

One of the triangles has the following area at a height of 35 yards and a base of 18 yards:

Triangle 1 has an area of 315 square yards, or (18 35) / 2 (base x height).

Since the second triangle's top side is marked as 50 yards, its base is 20 yards, and its height is 50 - 35 = 15 yards, its area is as follows.

150 square yards is the area of triangle 2 (20 15) / 2 (base x height).

Consequently, the playground's overall size is:

900 + 315 + 150 = 1,365 square yards is the total area. The sum of triangles 1 and 2 is 315 square yards.

The option that most closely resembles the estimated playground area is 1,750 square yards. But this option is not the appropriate one. The correct response is 1,365 square yards.

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(A) A person's chance of experiencing neither symptom is 30%. (b) Seventy percent of people are likely to experience at least one symptom. (c) If a person has symptom B, there is a 25% chance that they will also have both symptoms.

(A) The individual exhibits neither symptom:

Let's write P(A) for the likelihood of having symptom A and P(B) for the likelihood of having symptom B. Given that 20% of people only have symptom A, 40% only have symptom B, and 10% only have both symptoms, the likelihood of having neither symptom can be determined as follows:

100% - P(A) - P(B) - P(both symptoms) - P(neither symptom)

P(none of the symptoms) = 100% – 20% – 40% – 10% = 30%

As a result, there is a 30% chance that a randomly selected person will exhibit neither symptom.

(b) At least one symptom is present in the person.

We can use the complement rule to calculate the likelihood that at least one symptom will be present. Neither symptom is the opposite of having at least one symptom. Because of this, P(at least one symptom) = 1 - P(neither symptom), and P(at least one symptom) = 1 - 0.30 = 0.70.

Therefore, there is a 70% chance that a randomly selected individual has at least one symptom.

(c) The person has both symptoms, given that they have symptom B:

To calculate this conditional probability, we use the formula:

P(both symptoms | symptom B) is equal to the product of P(both symptoms and symptom B) / P(symptom B).

We are informed that 40% of people only have symptom B whereas 10% have both symptoms. P(both symptoms | symptom B) = (10% / 40%) = 0.25 as a result.

Given that they have symptom B, a randomly selected person has a 25% chance of having both symptoms.

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Answer:

\(15\dfrac{39}{40} $ inches\)

Step-by-step explanation:

On the map, 3 inches = 10 miles in real life.

Therefore:

10 miles: 3 Inches

\(1$ miles rep $ \dfrac{3}{10}$ inches\)

If the real-life distance between two buildings is 53.25 miles

Distance on the map

\(\dfrac{3}{10}$ X 53.25 inches\\=15.975 inches\)

\(=15\dfrac{39}{40} $ inches\)

The distance between the two buildings on the map is therefore: \(15\dfrac{39}{40} $ inches\)

The  exact length of the polar curve. r = θ2, 0 ≤ θ ≤ 7π/4 is {49π²}{7π +12}

The given polar curve is

r = θ2, 0 ≤ θ ≤ 7π/4

This is calculated using the formula

\(\int\limits^a_b {r^{2} \frac{dr}{d\alpha } )d\alpha } \, .....1\)

compute the value for d r/d α

dr/dα = d/dα(α²) =2α

By substitution,

r=α², d r/d α = 2αA = 0

and b = 7 π/4 in equation 1

Simplifying all the terms we have

All the terms must be completely be simplified for us to arrive at

(49π²)/16(7π/12  +1)

Therefore the value equals {49π²}{7π +12}

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The expressions are expanded to give;

1. 2x² - 5x

2. 6x² + 8x

3. 6x² - 12xy

Algebraic expressions are defined as expressions consisting of  variables, coefficients, constants, terms and factors.

These expressions are also known to consist of mathematical operations, which includes;

From the information given, we have that;

a. x (2x - 5)

expand the bracket

2x² - 5x

b. 2x (3x+4)

expand the bracket

6x² + 8x

c. 6x(x-2y)

expand the bracket

6x² - 12xy

Hence, the expressions are 2x² - 5x, 6x² + 8x and 6x² - 12xy

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Answer:

1) 2x² - 5x

2) 6x² + 8x

3) 6x² - 12xy

Step-by-step explanation:

1) x ( 2x - 5 )

To expand the above, multiply both terms inside the brackets by x.

2x² - 5x

2) 2x ( 3x + 4 )

To expand the above, multiply both terms inside the brackets by 2x.

6x² + 8x

3) 6x ( x - 2y )

To expand the above, multiply both terms inside the brackets by 6x.

6x² - 12xy

Therefore , the solution of the given problem of function comes out to be  f(g(x)) = x\(X^{2}\)−4\(X^{2}\)−28x−32/(x−4)

Each x value in the domain has one but only one y value range, according to the rule of a function. Definition. If there is only one and only one value of x such that f(x) = y, then the function is one-to-one

Here,

Given : f(x) =X² - 8x+16/2 + 2x

g(x) =(6x)/(x-4)

To find the f(g(x)) :

=> f(g(x)) = f(6x/(x-4))

=>  f(6x/(x-4)) =  (6x/(x-4) )^2 - 8((6x)/(x-4)) +16/2 + 2(6x)/(x-4)

=>  f(6x/(x-4)) = 36\(x^{2}\)/ ( \(x^{2}\)+ 16 - 8x) - 36\(x^{2}\)/(x+4) +8

=> f(6x/(x-4)) = x\(X^{2}\)−4\(X^{2}\)−28x−32/(x−4)

Therefore , the solution of the given problem of function comes out to be  

f(g(x)) = x\(X^{2}\)−4\(X^{2}\)−28x−32/(x−4)

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Answer:

x = ⅔

Step-by-step explanation:

step 1

add -4 to both left hand side and right hand side

then you get the equation : | 3x-2| = 0

step 2

you solve the absolute value which is: | 3x-2 |

and that is : 3x-2 = 0 (possibility 1)

3x-2 +2 = 0 +2 ( add 2 to both sides )

then you get : 3x = 2

step 3

you divide 3 on both side : 3x by 3 = ⅔ ( 2 by 3)

then you get your answer as : x = ⅔

I hope this helps .

Using the ideal gas law, pv=nrt we can find the number of moles (n), pressure (P), volume (V), Kelvin (T).

The relationship between pressure (P), volume (V), amount of gas (n), and temperature (T) is represented by the ideal gas equation, PV=nRT (T). Because it assumes that gas is functioning in an ideal or theoretical way and can therefore be written as a universal gas constant, it is known as "the ideal gas law" (represented by R in the equation).

It is believed that the gas is perfect.

In many cases, pressure (P) is measured in atmospheres (atm). Liters are commonly used to measure volume (V) (L). Mole amounts (n) are frequently used as units of measurement (mol). The unit of temperature is Kelvin (T) (K).

R is the universal constant. The SI value is 8.31 J/mol∗K

The ideal gas law is helpful for comprehending and computing the characteristics and actions of gas, such as when developing cars or airplanes. It is also crucial for understanding thermodynamics. For instance, the pressure can be determined when the temperature, volume, and quantity of gas are known. When the variables are unknown, the ideal gas law equation can be changed to provide a solution for each one.

Hence by using the ideal gas law, pv=nrt compute the characteristics and actions of gas.

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Answer:

Condition:

If a series converges, then the terms of the series approach 0.

Converse:

If the terms of a series approach 0, then the series converges.

Answer:

What is the median of the data set shown 34,86,12,56,21,98,72,34,21,34,45,23,97,44

The median is 39.

Step-by-step explanation:

First, you must organize the data.

12, 21, 21, 23, 34, 34, 34, 44, 45, 56, 72, 86, 97, 98

The median of a data set is the number in the middle. (median sounds like middle) If there is an even amount of numbers in the data set, you must add the middle two numbers together and divide by 2.

In this case, the middle two numbers are 34 and 44.  

34+44/2 = 39  The median is 39.

Answer:

the slope is 2.5

(from x=0 to x=2 it goes up by 5)

-2 is the intercept with the y-Axis

the general formula is:

y = m*x + b

where m is the slope and b the intercept

here you go:

y = 2.5x -2

pls brainliest

Answer:C

Step-by-step explanation:

Step-by-step explanation:

the answer is which is y=-3/2x-2

Answer:

Lookie here the total profit is 357.03

Answer:

5/9

Step-by-step explanation:

brainliest when possible.

Answer:

x = 8

Step-by-step explanation:

5( 8 + 7 ) = 5 ⋅ x + 5 ⋅ 7

Add 8 and 7 to get 15.

5 × 15 = 5x + 5 × 7

Multiply 5 and 15 to get 75.

75 = 5x + 5 × 7

Multiply 5 and 7 to get 35.

75 = 5x + 35

Swap sides so that all variable terms are on the left-hand side.

5x + 35 = 75

Subtract 35 from both sides.

5x = 75 − 35

Subtract 35 from 75 to get 40.

5x = 40

Divide both sides by 5.

x = \(\frac{40}{5}\)

Divide 40 by 5 to get 8.

x = 8

Answer:

25

Step-by-step explanation:

Factor the number 4----->2^2

=\left(2^2\right)^{\log _2\left(5\right)}

add the exponent rule-----> (a^b)^c=a^bc

=2^{2\log _2\left(5\right)}

apply log rule----->\:a^{\log _a\left(b\right)}=b

=5^2=25

hope it helps :>