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The total percent discount offered by the merchant is 57.12%.

A discount is when the price of an items is reduced. It makes a good cheaper when a discount is applied.

The percent change in price after the first discount = 100% - 32% = 68%

The final price after the second discount = (100 - 16%) x 68%

= 57.12%

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Answer:

512

Step-by-step explanation:

if 8 is the edge using the formula

V=a³=8³

V=512

Answer:

m∠WVY = 30°

Step-by-step explanation:

2x + x = 90

3x = 90

x = 90/3 = 30

m∠WVY = x =  30°

The null hypothesis is based on the idea that there is no relationship between the variables.

What is null hypothesis?

The null hypothesis is a common statistical theory that contends that there is no statistical relationship or significance between any two sets of observed data and measured phenomena for any given single observed variable. The null hypothesis can be evaluated to determine whether or not there is a relationship between two measured phenomena, which makes it valuable. It can let the user know if the outcomes are the product of random chance or deliberate manipulation of a phenomenon.

The null hypothesis states that there is no relationship between two population parameters, i.e., an independent variable and a dependent variable. Therefore, the null hypothesis is based on the idea that there is no relationship between the variables.

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Answer:

The answer is C i think  not that sure

Step-by-step explanation:

Answer:

a

Step-by-step explanation:

Answer:

A. 65

Step-by-step explanation:

Have a blessed day :)

The number of times that a flip comes up heads followed immediately by a flip that is tailsis  10/4.

To solve this problem, we can use the linearity of expectation. Let's consider the first two flips. The probability that they are HT is 1/4, and if they are, then X = 1. If they are not, then we ignore them and consider the next two flips, and so on. So, the expected value of X can be calculated as:

E[X] = (probability of getting HT on the first two flips) * 1 +

(probability of not getting HT on the first two flips) * (expected value of X for the remaining flips)

The probability of getting HT on the first two flips is 1/4, as mentioned earlier. The probability of not getting HT on the first two flips is 3/4. For the remaining eight flips, the situation is exactly the same as the original problem, except that we now have eight flips instead of ten. So, the expected value of X for the remaining flips is E[X] * 8/10.

Putting it all together, we get:

E[X] = (1/4) * 1 + (3/4) * (E[X] * 8/10)

= 1/4 + 6/10 * E[X]

Solving for E[X], we get:

E[X] = 10/4

Therefore, the answer is A) 10/4.

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Answer:

CI = (-0.0445, 0.0225)

there is no sufficient evidence to men and women have equal success in challenging calls

Step-by-step explanation:

Sample size for men; n1 = 1425

Number of success for men; x1 = 412

Sample size for women; n2 = 739

Number of success for women; x2 = 221

Significance level; α = 0.05

Sample proportion for men;

p1 = x1/n1 = 412/1425

p1 = 0.2891

Sample proportion for women;

p2 = x2/n2 = 221/739

p2 = 0.2991

From tables, z-score at significance level of 0.05 is 1.96.

Formula for margin of error is;

E = z√[(p1(1 - p1)/n1) + (p2(1 - p2)/n2)]

Plugging in the relevant values;

E = 1.96√[(0.2891(1 - 0.2891)/1425) + (0.2991(1 - 0.2991)/1425)]

E = 1.96 × 0.0170687

E = 0.0335

Coordinates of the confidence interval will be;

[(p1 - p2) - E], [(p1 - p2) + E]

[(0.2881 - 0.2991) - 0.0335], [(0.2881 - 0.2991) + 0.0335]

CI = (-0.0445, 0.0225)

This means that the confidence interval contains 0 since it's between (-0.0445 and 0.0225). Thus we can conclude that there is no sufficient evidence to men and women have equal success in challenging calls

The simplified expression of the expression given as (62)4 is 248

From the question, we have the following parameters that can be used in our computation:

(62)4

Remove the bracket and rewrite the expression as a product expression

So, we have the following representation

(62)4 = 62 * 4

Evaluate the products

This gives

(62)4 = 248

The above expression cannot be further simplified

Hence, the solution is 248

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Answer:

Step-by-step explanation:The correct answer is C. The requirement of at least 5 successes and at least 5 failures is not satisfied, so the binomial distribution cannot be used.

In order to use the methods described in this section, it is necessary to have a sufficient number of successes and failures in the sample. The Rule of Three assumes that there have been at least 5 successes and at least 5 failures in the sample, which ensures that the binomial distribution is reasonably approximated by the normal distribution. However, when there are no successes in the sample (x = 0), it violates this requirement, making it inappropriate to use the methods described in the section.

b. The 95% upper bound for p, the proportion of all babies who are boys, can be determined using the Rule of Three. Since all 40 couples in the sample had baby girls, there were 0 boys in the sample. Therefore, the upper bound for p, the proportion of boys, is calculated by using the Rule of Three with 95% confidence. The upper bound can be expressed as p ≤ (3/40) = 0.075.

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Answer:

see explanation

Step-by-step explanation:

(a)

The angle on the circumference is half the central angle , that is

∠ A = ∠ BOC ÷ 2 = 50° ÷ 2 = 25°

(b)

Δ AOC is isosceles ( OA = OC , radii of the same circle ) then the base angles are congruent , that is

∠ ACO = ∠ A = 25°

(c)

Δ BOC is isosceles ( OB = OC, radii of the same circle ) then the base angles are congruent, that is

∠ BCO = \(\frac{180-50}{2}\) = \(\frac{130}{2}\) = 65°

(d)

∠ ACO + ∠ BCO = 25° + 65° = 90° ( angle in a semicircle )

Answer:

1 hour 26 Minutes

Step-by-step explanation:

Tanya needs 2 hours to do the job.

Pat needs 5 hours to do this same job.

Tanya's rate  \(=\frac{1}{2}\)

Pat's rate\(=\frac{1}{5}\)

Let the number of hours it will take both of them =x

Rate when two of them work together  \(=\frac{1}{x}\)

Therefore:

\(\frac{1}{2}+\frac{1}{5}=\frac{1}{x}\\$Taking lowest common multiple$\\\frac{5+2}{10}=\frac{1}{x}\\\\\frac{7}{10}=\frac{1}{x}\\\\$Cross multiply$\\7x=10\\x=1.43$ hours\)

\(0.43 X 60 =25.8 \approx 26$ minutes\)

Therefore: 1.43 hour = 1 hour 26 Minutes

It will take both of them approximately 1 hour 26 minutes to  the job.

Answer:

C egg salad sandwich

Step-by-step explanation:

Answer:

C egg salad sandwich

Step-by-step explanation:

We can make 4 servings of chicken noodle soup using 20 oz of egg noodles.

To determine how many servings of chicken noodle soup can be made from 20 oz of egg noodles, we need to divide the total amount of noodles by the amount required for each serving.

Given that 5 oz of egg noodles are needed for one serving, we can divide 20 oz by 5 oz/serving to get the total number of servings.

20 oz ÷ 5 oz/serving = 4 servings

The serving size may vary depending on the recipe and the individual's appetite, so this calculation is an estimate. Other ingredients such as chicken, vegetables, and broth will also affect the overall serving size and number of servings.

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Answer: yes

Step-by-step explanation: smart werewolf.

Answer:

C. the function f(x) has the greater y-intercept by 72 units

Step-by-step explanation:

find f(x) y-intercept:

\(3(0-5)^2\\\\=3(-5)^2\\\\=3(25)\\\\=75\)

the y-intercept of g(x) is 3

to find the difference subtract 3 from 75 and you get 72

Answer:

30

Step-by-step explanation:

all traiangles have to same vetec

Answer:

Since the angle on the top is a 90 degree as you might have noticed.

And the other angle is 30 degrees.

Then the last angle should be 60 degrees.

(Because every angle in a triangle should add up to 180 degrees)

I don't know about the measure of the sides tho.

Hope that helps !

Answer:

y = -5/7x - 32/7

Step-by-step explanation:

Perpendicular slopes are "opposite reciprocals."

7/5 goes to 5/7, then -5/7 (if you don't get it you can comment)

So the perpendicular equation line: y = -5/7x + b (you don't know the y-intercept yet)

Substitute (2, -6) because that perpendicular line is going through it.

-6 = -5/7(2) + b

-6 = -10/7 + b

-42/7 = -10/7 + b

-32/7 = b

Perpendicular line equation: -5/7x -32/7

Answer :

According to the Question

Diameter of a circle field is 40m and that of another 96m .

We have to find the diameter of the circle whose area is equal to the sum of the area of given two circular fields.

Radius of field whose diameter is 40 m

→ r = 40/2 = 20m

Radius of field whose diameter is 96 m

→ r' = 96/2 = 48m

Now, calculating the diameter of Larger circular field.

Let the radius of larger field be R m .

Now, according to the given statement

Sum of Area of given two circular fields = Area of larger field

➠ πr² + πr'² = πR²

➠ π ( r² + r'²) = π R²

➠ 20² + 48² = R²

➠ 400 + 2304 = R²

➠ 2704 = R²

➠ √2704 = R

➠ 52 = R

Therefore, Diameter = 2 × R = 2×52 = 104 m

So, the diameter of Larger circular field is 104 m .

Answer:

Area of circular field(2)=\(πr^2\)

=\(π×(20)^2\)

=\(400π\)

Area of circular field(2)=\(πr^2\)

=\(π×(48)^2\)

=\(2304π\)

Let the radius of circular field that is formed so be r meter(m).

Now,

\( \cancel\pi {r}^{2} = 2704 \cancel\pi\)

\( {r}^{2} = 2704\)

\(r = \sqrt{2704} \)

\(r = 52 \: m\)

Diameter=\(2r\)

Diameter=\(2×52\)

Diameter=\(104 m\)

Step-by-step explanation:

\( \frak{ \blue{DisneyPrincess29}}\)

its so hard

Step-by-step explanation:

its so hard sorry but i dont no

The length of the river in real life is 600000.

A map's scale is the ratio of a distance on the map to its equivalent distance on the ground. The curvature of the Earth's surface complicates this simple concept by forcing scale to vary across a map. Because of this variation, the concept of scale takes on two distinct meanings.

From the information, the scale on a map is 1 : 300,000 and the length of a river on the map is 2 cm.

In this case, the length on real life will be calculated thus:

= 2 ×300000

= 600000

It is 600000 in real life.

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According to the 75% learning curve, it is estimated that it will take approximately 23.46 hours to manufacture chair number 13.

The learning curve is a concept that suggests the time required to complete a task decreases as the cumulative volume of production increases. In this case, the learning curve is stated to be 75%, which means that for each doubling of the cumulative volume of production, the time required decreases by 25%.

To determine the time it will take to manufacture chair number 13, we need to calculate the learning curve rate. The formula to calculate the learning curve rate is as follows:

Learning Curve Rate = log(learning curve percentage) / log(2)

In this case, the learning curve rate is calculated as:

Learning Curve Rate = log(75%) / log(2) ≈ -0.415

Next, we can use the learning curve formula to find the time required for chair number 13. The formula is:

Time required for a specific unit = Time required for the first unit × (Cumulative volume of production for the specific unit)^learning curve rate

Given that the first premium elegance chair took 68 hours to manufacture, and we want to find the time for chair number 13, the calculation is:

Time required for chair number 13 = 68 × (\(13^{(-0.415)\)) ≈ 23.46 hours

Therefore, it is estimated that it will take approximately 23.46 hours to manufacture chair number 13, which corresponds to option (a) in the provided choices.

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Answer:

6

Step-by-step explanation:

3+6=9

9+6=15

because had the rihjt answer

Step-by-step explanation:

a square plus b squad plus c

Step-by-step explanation:

x^2+4x=0

therefore x=-4

Answer:

35 yards

Step-by-step explanation:

19+16= 35

Hope this helps! :)

Answer:

35 yards

Step-by-step explanation:

Hope this helps! (:

Answer:

See below for the proof of the identity

Step-by-step explanation:

I read your statement as \(\displaystyle \frac{\tan\theta-\cot\theta}{\tan\theta+\cot\theta}+2\cos^2\theta=1\):

\(\displaystyle \frac{\tan\theta-\cot\theta}{\tan\theta+\cot\theta}+2\cos^2\theta\\\\\frac{\frac{\sin\theta}{\cos\theta}-\frac{\cos\theta}{\sin\theta}}{\frac{\sin\theta}{\cos\theta}+\frac{\cos\theta}{\sin\theta}} +2\cos^2\theta\\\\\frac{\frac{\sin^2\theta-\cos^2\theta}{\sin\theta\cos\theta}}{\frac{\sin^2\theta+\cos^2\theta}{\sin\theta\cos\theta}} +2\cos^2\theta\\\\\frac{\frac{\sin^2\theta-\cos^2\theta}{\sin\theta\cos\theta}}{\frac{1}{\sin\theta\cos\theta}} +2\cos^2\theta\)

\(\displaystyle \sin^2\theta-\cos^2\theta+2\cos^2\theta\\\\\sin^2\theta+\cos^2\theta\\\\1\)

Thus, the identity is proven.

The assertion that which shows that P(k + 1) is true provided Pk in the Inductive step is true. Moreover, P(1) is also true. Hence, by induction principle, we can say that P(n) is true for all positive integer n.

What is Integer?

A zero, a positive natural number, or a negative integer with a minus sign is an integer. The negative numbers are the additive inverses of their positive counterparts.

Given that P(n) be the assertion

∑j² = n (n+1)(2n+1)/6

(a) For n = 3, we get

∑j² = 1² + 2²+3² =14

= 3(3+1)(6+1)/6

=14

Hence, P(3) is true.

(b) Expression for P(k) may take the form

∑j² = k (k+1)(2k+1)/6

(c) Expression for P(k + 1) may take the form

∑j² = (k+1) (k+2)(2k+3)/6

(d)Base case:

In base case, we must prove that P(1) is true.

(e) To prove P(n) will be true for every positive integer n, we need to prove that P(k + 1) is true in the inductive step, where k is a positive integer.

(f) In the Inductive step, the Inductive hypothesis is that Pk is true for positive integer k.

(g)Base case:

a) For n=1, we get

RHS= 1(1+1)(2+1)/6

=1

Hence, P(1) is true.

Inductive hypothesis:

Assume P(k) is true:

∑j² = k (k+1)(2k+1)/6

Inductive step:

Now,

∑j² = k (k+1)(2k+1)/6 +(K+1)²

which shows that P(k + 1) is true provided P(k) in the Inductive step is true. Moreover, P(1) is also true. Hence, by induction principle, we can say that P(n) is true for all positive integer n.

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To yield $26,000 in the future, compounded semiannually at an interest rate of 6%, a lump sum investment needs to be made today. The correct amount to invest can be calculated using the present value formula.

The present value formula can be used to calculate the amount that should be invested today to achieve a specific future value. The formula is given by:

PV = FV / (1 + r/n)^(n*t)

In this case, the future value (FV) is $26,000, the interest rate (r) is 6%, and the compounding is semiannually (n = 2). We need to solve for the present value (PV).

Using the formula and substituting the given values:

PV = 26,000 / \((1 + 0.06/2)^(2*1)\)

PV = 26,000 / \((1.03)^2\)

PV = 26,000 / 1.0609

PV ≈ $24,490.92

Therefore, the correct lump sum to invest today, at 6% compounded semiannually, to yield $26,000 in the future is approximately $24,490.92.

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