answer for this and example ​

The ratio of cups of flour to water for 6 batches is 18:6

18:6 = 3:1

The ratio is maintained.

The ratio shows how many times one value is contained in another value.

Example:

There are 3 apples and 2 oranges in a basket.

The ratio of apples to oranges is 3:2 or 3/2.

We have,

Two batches:

The ratio of cups of flour to water.

= 6: 2

= 3:1

Now,

For 1 batch.

The ratio of cups of flour to water.

= 3 : 1

Now,

For m batches.

The ratio of cups of flour to water.

= 3m : 1m

So,

For m = 6

The ratio of cups of flour to water.

= 18 : 6

Thus,

The ratio of cups of flour to water for 6 batches is 18:6.

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The complete question.

For two batches the ratio is 6 cups of flour to 2 cups of water,

This means for every 3 cups of flour, you need 1 cup of water.

The ratio 3:1 is maintained.

Find the ratio for 6 batches

The value of the expression when evaluated is -15

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

The table of values for the function f(x)

The expression to evaluate is given as

f-1(3) - 4 * f(6)

Using the above as a guide, we have the following:

f-1(3) = 5

f(6) = 5

substitute the known values in the above equation, so, we have the following representation

f-1(3) - 4 * f(6) = 5 - 4 * 5

Evaluate

f-1(3) - 4 * f(6) = -15

Hence, the solution is -15

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The value of x and y in the geometric sequence are 1/r and 1

A geometric sequence is a sequence of numbers that follows a pattern were the next term is found by multiplying by a constant called the common ratio, r.

If the first term of the sequence is a ,second term is ar , third term = ar²

r = ar²/ar

In the sequence 2y, 2xy, 2, xy/2, ...

r = 2y/2xy

therefore r = 1/x

r = 2/2xy

r = 1/xy

therefore 1/x = 1/xy

therefore y = 1

x = 1/r

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Proportion of participants prefer cheese pizza is 0.35 from the sample of 100 students was randomly selected.

A sample of 100 students was randomly selected from a middle school in a large city. These participants were asked to select their favorite type of pizza: pepperoni, cheese, veggie or Hawaiian pizza

The number of males who prefers chess pizza is 18.

The number of females who prefers chess pizza is 17.

The total number of students who prefer chess pizza is 18 + 17 = 35.

The total number of students is 100.

The proportion of students who prefers chess pizza is 35/100 = 0.35

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The expression for the amount of money Eric has after he pays his brother back is x- 17.

Mathematical expressions consist of at least two numbers or variables, at least one arithmetic operation, and a statement. It's possible to multiply, divide, add, or subtract with this mathematical operation. An expression's structure is as follows: Expression: (Math Operator, Number/Variable, Math Operator)

Given:

Eric owes his brother $17.

let x be the amount of money Eric got for his birthday.

If Eric gave the money back to his brother then he left with

= x - 17

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A plumber worked 3. 5 hours for AED 1,075 in total. He added AED 200 for supplies to the customer's bill hourly rate of the plumber is AED 364.29.

How much is charged, paid, or earned for each hour worked?

Instead of paying for the things the advisers try to sell you, you pay a set or hourly charge for their time.

We must first deduct the price of the materials from the plumber's overall profits in order to get his hourly rate:

Income equals AED 1,075 plus AED 200, or AED 1,275.

After that, we may split his total income by the quantity of hours he put in:

Hourly fee is calculated as follows: AED 1,275 / 3.5 hours of work.

Hourly rate is 364.29 AED.

The plumber's hourly charge is therefore AED 364.29.

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It will take Daniel approximately 2 hours and 52 minutes (172.066 minutes) to complete the triathlon.

To estimate how long it will take Daniel to complete the triathlon, we can calculate the time it will take him to complete each leg of the race and add them together.

Swim:

Distance = 0.93 miles

Speed = 2.2 mph

Time = Distance / Speed = 0.93 miles / 2.2 mph = 0.4236 hours = 25.416 minutes

Bike:

Distance = 24.8 miles

Speed = 17.8 mph

Time = Distance / Speed = 24.8 miles / 17.8 mph = 1.3933 hours = 83.6 minutes

Run:

Distance = 6.2 miles

Speed = 5.9 mph

Time = Distance / Speed = 6.2 miles / 5.9 mph = 1.0508 hours = 63.05 minutes

Total time = Swim time + Bike time + Run time

Total time = 25.416 minutes + 83.6 minutes + 63.05 minutes

Total time = 172.066 minutes

Therefore, it took  172.066 minutes which is approximately equal to 2 hours and 52 minutes by Daniel to complete the triathlon.

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Answer:

no sisiejdirjr diendieje jdisjeidi

Answer:

awnser is b

Step-by-step explanation:

eg 2023 ........................................

Both slope are equal so we can say that both lines are parallel

slope, The inclination of a line with respect to the horizontal is measured numerically. The ratio of the vertical to the horizontal distance between any two points on a line, ray, or line segment is known as its slope in analytical geometry ("slope equals rise over run").

Line a: 2x + y = 10

Line b:

- 6x – 3y = 3

and line

Line a: 2x + y = 10

= slope of line A is

2x + y = 10

y = -2x+10

slope = -2

- 6x – 3y = 3

-3y = 6x +3

x = -2y -1

slope  = -2

in  this case both slope are equal so we can say that both lines are parallel

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Step-by-step explanation:

the area of a circle is

pi×r²

r being the radius (1.68 m).

the area of half a circle is therefore

pi×r²/2

in our case

pi× 1.68²/2 = pi× 2.8224/2 = pi×1.4112 =

= 4.433415553... m² ≈ 4.43 m²

The area of the shaded semicircle is  1.11 meters squared.

A circle is a round-shaped figure that has no corners or edges. In geometry, a circle can be defined as a closed shape, two-dimensional .

The area of shape is the space enclosed within the perimeter or the boundary of a given shape.

The area of a circle is expressed as ;

A = π[tex]r^{2}[/tex]

where r is the radius of the circle.

Therefore the area of a semi circle will be :

A = 1/2  π[tex]r^{2}[/tex]

r = d/2

r = 1.68/2 =0.84

A = 1/2 × 3.14 × 0.84 ×0.84

 = 1.11 meter squared.

Therefore the area of the shaded semi circle is 1.11 meters squared.

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The total surface area of the given prism would be = 504

The formula that can be used to calculate the total surface area of a square prism = 2a² + 4a L

where a = 7

L = 14.5

Area = 2(7²) + 4 ( 7× 14.5)

= 2×49 + 4( 101.5)

= 98 + 406

= 504

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The inverse of a function f(x)=2x + 1 include the following: A. H(x) = 1/2x - 1/2

In Mathematics, an inverse function simply refers to a type of function that is obtained by reversing the mathematical operation in a given function (f(x)).

In order to determine the inverse of any function, you should swap both the input value (x-value) and output value (y-value) as follows;

f(x) = y = 2x + 1

x = 2y + 1

By rearranging the equation, we have the following:

2y = x - 1

y = (x - 1)/2

H(x) = 1/2(x) - 1/2.

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Answer:

(x + 6)² + (y - 5)² = 16

Step-by-step explanation:

Using Pythagoras' theorem we found that when the angle is greater than 90°, the distance between the cue ball and the pocket is greater than 10 inches.

What is Pythagoras' Theorem?

A right triangle's three sides are related in Euclidean geometry by the Pythagorean Theorem. According to this statement, the square of the side of a triangle known as hypotenuse is equal to the sum of squares of the other two sides of the triangle.

The complete question is given below in the image.

It is given that a triangle is formed by the cue ball, eight ball and pocket as shown below.

The ∠y is greater than 90°.

The two sides of the triangle are 8 in. and 6in.

Two find the minimum distance between the cue ball and the pocket, we assume that the minimum angle formed by the paths of the cue ball and eight ball is 90°.

That is ∠y = 90°.

Then the triangle becomes a right-angle triangle.

So the distance x becomes the hypotenuse.

Using the Pythagoras theorem, we can find the hypotenuse of the triangle.

x² = 8² + 6²

x² = 100

x = 10 inches.

This is the minimum distance between the cue ball and pocket when y = 90°.

Therefore using Pythagoras' theorem we found that when the angle is greater than 90°, the distance between the cue ball and the pocket is greater than 10 inches.

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The value of x for the similar triangles is given as follows:

x = 40.5.

Similar triangles share these two features:

A bisection divides a triangle into two similar triangles, hence the proportional relationship for the side lengths is given as follows:

x/45 = 18/20

18/20 = 0.9, hence:

x/45 = 0.9

x = 45 x 0.9

x = 40.5.

Meaning that the fourth option is the correct option.

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Answer:

(4,3)

Step-by-step explanation:

The required shortest distance between the building and the end of the ramp, if the doorway is 1.3 feet above the parking lot, is 1.3 feet.

The slope is defined as the ratio measure of rise to measure of the run.

Here,
The shortest possible distance between the building and the end of the ramp, if the doorway is 1.3 feet above the parking lot, is 1.3 feet.

This is because, if the doorway is 1.3 feet above the parking lot, the ramp will need to rise 1.3 feet in order for a person or vehicle to be able to enter the building. The length of the ramp will be equal to the rise, so in this case, the shortest possible distance between the building and the end of the ramp would be 1.3 feet.

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a) The probability that he will make both free throws is 81 %

b) The probability that he will make at least one free throw is 18 %

The probability that an event will occur is measured by the ratio of favorable examples to the total number of situations possible

Probability = number of desirable outcomes / total number of possible outcomes

The value of probability lies between 0 and 1

Given data ,

Let the particular NBA player makes 90 % of his free throws

Now , the equation will be

The probability that the first shot going in = 90 %

And , the probability that the first shot does not go in = 10 %

So , there are 4 scenarios when he is awarded 2 free throws

Both the shots going in = 90 % x 90 %

Both the shots not going in = 10 % x 1- %

Missing one shot and and one shot going in = 10 % x 90 %

And , One shot going in and missing one shot = 90 % x 10 %

a)

Now , the probability that he will make both free throws = Both the shots going in

Substituting the values in the equation , we get

The probability that he will make both free throws = 0.9 x 0.9 = 0.81

The probability that he will make both free throws = 81 %

b)

The probability that he will make at least one free throw = Missing one shot and and one shot going in = 10 % x 90 %   +   One shot going in and missing one shot = 90 % x 10 %

Substituting the values in the equation , we get

The probability that he will make at least one free throw = 0.1 x 0.9 + 0.9 x 0.1

The probability that he will make at least one free throw = 0.09 + 0.09

The probability that he will make at least one free throw = 0.18

The probability that he will make at least one free throw = 18 %

Hence , the probabilities are solved

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The equation that represents this situation is $6t - $450 ≥ $1000.

The number of tickets that should be sold is 242.

The form of the equation is:

total revenue - total cost ≥ $1000

(cost of one ticket x number of tickets sold) -  cost of pizza and drinks ≥ $1000

($6 x t) - ($200 + $250) ≥ $1000

$6t - $450 ≥ $1000

$6t ≥ $1000 + $450

$6t ≥ $1450

t ≥ $1450 / 6t

t ≥ 242

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The probability that no two of them celebrate their birthday in the same month is very low.

There are 12 months in a year, so the probability that the first person has a birthday in a particular month is 1/12. The probability that the second person does not have a birthday in the same month is 11/12, since there are 11 months left that the second person's birthday can fall in. The probability that the third person does not have a birthday in any of the two previously chosen months is 10/12, and so on.

Therefore, the probability that none of the 12 people have a birthday in the same month is:

P = (1/12) x (11/12) x (10/12) x ... x (2/12) x (1/12)

which is approximately 0.00010578, or about 0.01%.

So the probability that no two of them celebrate their birthday in the same month is very low.

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Answer:

The answer is 26

Step-by-step explanation:

As per the discount, the customer will only need to pay P4,950 on May 12.

Discounts are a common practice in business transactions, where the seller offers a reduction in the price of goods or services as an incentive for the buyer to make a purchase.

The terms of the sale are as follows: 2/10, 1/15, n/30. This means that the customer is entitled to a 2% discount if they pay within 10 days, or a 1% discount if they pay within 15 days. Otherwise, the full amount is due within 30 days.

The customer makes a partial payment of P1,000, which means that they still owe P5,000. However, since the discount is only given upon full payment, the customer is not eligible for any discounts at this point.

Assuming that the customer pays the balance on May 12, they will have taken 11 days to make the payment. Since this is within the 15-day discount period, they are entitled to a 1% discount.

The calculation of the discount is as follows: P5,000 x 1% = P50. Therefore, the customer will only need to pay is calculated as,

=> P5,000 - P50 = P4,950

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Complete Question:

On May 1, RVQ Company sold goods for P6,000 on terms of 2/10, 1/15, n/30. Customer made a partial payment of P1,000 discounts are given only upon full payment of an account. The customer pays the balance on May 12, RVQ will receive on May 12 the amount of

For removing all the perfect squares of √(39y^9), we need to factor out any perfect squares from the expression under the square root.

To get rid of all the perfect squares in (39y9), factor out any perfect squares in the expression under the square root.

First, by factoring 39 and y9, we can simplify the expression under the square root:

[tex]√(39y^9) = √(313y^8y) = √(313*(y^4)^2*y)[/tex]

Because (y4)2 is a perfect square, we can take it out from under the square root:

[tex]√(39y^9) = √(313(y^4)^2y) = (y^4)√(313*y)[/tex]

By removing all of the perfect squares from (39y9), we get:

[tex](y^4)√(313y)[/tex]

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Answer:ab

Step-by-step explanation:

because..........

Answer:

1/4

Step-by-step explanation:

On a graph that's up 1 over 4 and its rise over run or (rise/run)

The approximate solutions to the equation is (0.655, -2.618)

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

-2x

|-3 + 1| =

-2√x - 1

Express the equation properly

So, we have the following representation

-2x|-3 + 1| = -2√x - 1

This gives

-4x = -2√x - 1

Next, we split the equation

y = -4x

y = -2√x - 1

To solve graphically, we plot the equation and write out the point of intersection

Hence, the solution is (0.655, -2.618)

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Answer:

[tex]\frac{- 7}{b - y}[/tex]

Step-by-step explanation:

Algebraic manipulation (i.e. a process involving rearranging or rewriting variables and, multiplication or division, to achieve an algebraic expression in a desired form) will be applied:

The expression in the denominator (y - b) will be algebraically manipulated by being multiplied by negative one:

[tex](y - b)[/tex]×[tex](-1)[/tex]

The parenthesis will be expanded by applying the Distributive Law. The derived variables will be rearranged to achieve the desired form of the algebraic expression:

[tex][(-1)(y)] - [(-1)(b)][/tex] = [tex]-y - (-b)[/tex]

                               = [tex]-y + b[/tex]

                               = [tex]b - y[/tex] (Desired form achieved)

∴The multiple factor of negative one will also need to be multiplied with the numerator of the fraction for balance. This is because the negative one (that is being multiplied with the denominator) was NOT present originally:

[tex](-1)[/tex]×[tex](7)[/tex] = [tex]-7[/tex]

∴The desired form of the fraction is:

     [tex]\frac{-7}{b - y}[/tex]

The fraction 7/(y - b) after changing the denominator (b - y) becomes - 7/(b - y).

Fraction is a comparison between two mathematical quantities or numbers in general.

The number which is being compared is called Numerator and the with whom it is compared is called Denominator.

In mathematical words, if a fraction is look like A/B where A and B are two numbers then A is called Numerator and B is called Denominator.  

Here given the fraction is, 7/(y - b)

So here numerator = 7 and denominator = y - b

We have to change the denominator that is (y - b) with (b - y).

Rearranging the fraction we get,

7/(y - b) = 7/[- (b - y)] = - 7/(b - y).

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Answer: The inverse of the function y = 2^x^2 - 4 is not a function because it is not a one-to-one function.

Step-by-step explanation:

The inverse of a function is a reflection of the original function over the line y = x. To find the inverse of the function y = 2^x^2 - 4, we need to switch the variables x and y and then solve for x.

y = 2^x^2 - 4

x^2 = log2(y + 4)

x = sqrt(log2(y + 4))

However, this expression is not the inverse of the original function because it is not a one-to-one function, meaning that the same output can have multiple inputs. For example, log2(10) = 3 and log2(14) = 3.5, so sqrt(log2(10)) = sqrt(3) = sqrt(log2(14)) = sqrt(3.5). This means that for y = 10, x can be either sqrt(3) or sqrt(3.5), which is not allowed in a function.

Therefore, the inverse of the function y = 2^x^2 - 4 is not a function.

The fraction of the height of Cleopatra's clock that is the height of Ptolemy's clock is 2/5

A cylinder is a three-dimensional shape that consists of two parallel circular bases connected by a curved lateral surface. The volume of a cylinder is the amount of space contained within the cylinder. It can be calculated using the formula:

Volume of cylinder = πr^2h

Let's denote the height and radius of Cleopatra's water clock as h_c and r_c, respectively, and the height and radius of Ptolemy's water clock as h_p and r_p, respectively. Since both clocks drain uniformly, we can use the formula for the volume of a cylinder to relate the height and radius of each clock to the time it takes to drain:

Volume of Cleopatra's clock =[tex]\mathrm{ \pi r_c^2h_c}[/tex]

Volume of Ptolemy's clock = [tex]\mathrm{\pi r_p^2h_p}[/tex]

Since Cleopatra's clock drains in 4 hours, the rate of draining is (Volume of Cleopatra's clock) / (4 hours), and similarly for Ptolemy's clock. We are given that after 2 hours of draining, both clocks have the same water height. Therefore, we can set the two rates of draining equal to each other and solve for the ratio of heights:

(Volume of Cleopatra's clock) / (4 hours) = (Volume of Ptolemy's clock) / (5 hours)

[tex]\pi r_c^2h_c / 4 = \pi r_p^2h_p / 5[/tex]

[tex]h_c / h_p = (r_p / r_c)^2 \times (5 / 4)[/tex]

We are not given the values of the radii, but we can see that the ratio of heights depends only on the ratio of the radii squared. Therefore, we don't need to know the actual sizes of the clocks, only the ratio of their radii. Let's call this ratio x:

[tex]x^2 = (h_c / h_p) \times(4 / 5)[/tex]

After two hours of draining, the water height in both clocks is the same, so we can set the volume of water in each clock equal to each other:

[tex]\pi r_c^2(h_c - 2h_c/4) = \pi r_p^2(h_p - 2h_p/5)[/tex]

[tex]\pi r_c^2h_c/2 =\pi r_p^2h_p/5*3[/tex]

[tex]r_c^2h_c/2 = r_p^2h_p/15[/tex]

Now, we can solve for the ratio of water heights after each clock has been draining for three hours:

Water height in Cleopatra's clock after 3 hours = [tex]\mathrm{h_c - (3/4)h_c = (1/4)h_c}[/tex]

Water height in Ptolemy's clock after 3 hours = [tex]\mathrm{ h_p - (3/5)h_p = (2/5)h_p}[/tex]

([tex]h_p[/tex]  / (2/5)[tex]h_p[/tex] ) = ((1/4)[tex]h_c / h_c[/tex])

([tex]h_p[/tex]  / (2/5)) = 1/4

[tex]h_p[/tex] = 2/5 * 1/4

[tex]h_p[/tex] = 1/10

Therefore, the fraction of the height of Cleopatra's clock that is the height of Ptolemy's clock is:

[tex]h_p / h_c[/tex]= 1/10 / (1/4) = 2/5

And the fraction of the water height of Ptolemy's clock that is equal to the water height of Cleopatra's clock after each has been draining for three hours is:

[tex]h_c / (2/5)h_p[/tex] = (1/4) / (2/5)(1/10) = (1/4) / (1/20) = 5/4

Hence,

The fraction of the height of Cleopatra's clock that is the height of Ptolemy's clock is: 2/5

The fraction of the water height of Ptolemy's clock that is equal to the water height of Cleopatra's clock after each has been drained for three hours is: 5/4.

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If a 0.10 significance level is used in place of a 0.05 significance level, the power of the test will generally increase. As we are increasing the probability of rejecting the null hypothesis.

The significance level (alpha) of a hypothesis test determines the probability of making a Type I error, which is the probability of rejecting the null hypothesis when it is actually true. The power of a test, on the other hand, is the probability of correctly rejecting the null hypothesis when it is actually false (i.e., the probability of detecting a true effect).

By using a higher significance level (0.10 instead of 0.05), we are increasing the probability of rejecting the null hypothesis, which means we are more likely to detect a true effect. This results in an increase in the power of the test. However, it's worth noting that using a higher significance level also increases the risk of making a Type I error, which means we have to be careful when interpreting the results of the test.

In summary, increasing the significance level generally increases the power of the test, but it also increases the risk of making a Type I error

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