A is 50% acid sulotion. And B is an 80% sulotion determin how much of each sulotion he need to create 200 ml of 68% sulotion

Answer:

No.

Step-by-step explanation:

This is not a right triangle. Use the Pythagorean Theorem, \(a^{2} + b^{2}=c^{2} \\\), but write it as \(c^{2}= a^{2}+b^{2}\). The hypotenuse would be 17 feet, so you can insert 17 as \(c^{2}\). \(a\) and \(b\) could be 6 or 16. It can be written either way. The simplified equation would be:

\(c^{2}=a^{2} +b^{2} \\17^{2} = 6^{2} + 16^{2} \\17^{2} = 36+ 256\\17^{2}= 292\\289\neq 292\)

This isn't a right triangle.

I hope this helped :)

Answer:

64,339 = π(r^2)(20)

r^2 = 1,023.987

r = 32 ft

Using the given ratio we will get that:

We know that there are a total of 210 points to be divided.

Gerardo gets 4 fails

Rubén gets 6 fails.

Sara gets 12 fails.

Then we have the ratio 4 : 6 : 12

The total of that is 4 + 6 + 12 = 22 fails.

Then; Gerardo gets (4/22) of the points:

G = (4/22)*210 = 38

Ruben gets (6/22) of the points:

R = (6/22)*210 = 57

Sara gets (12/22) of the points:

S = (12/22)*210 = 115

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The association between lung function (FEV) and age can be observed through the analysis of the provided output from R.

The output from R likely includes statistical measures such as correlation coefficients or regression analysis results to determine the relationship between FEV and age. These calculations can help quantify the association between the two variables. For example, a correlation coefficient can indicate the strength and direction of the relationship, where a positive value suggests a positive association between FEV and age.

Based on the provided output from R, it can be concluded that there is an association between lung function (FEV) and age. However, without the actual output or specific statistical measures, it is challenging to provide further details or draw more precise conclusions. It is important to consider that the association between FEV and age may not necessarily imply causation, as other factors such as lifestyle, health conditions, and genetics can also impact lung function. Further analysis and additional data would be necessary to fully understand the nature and significance of this association.

Overall, it is reasonable to conjecture that lung function (FEV) changes with age, but a comprehensive analysis of the provided output and additional research would be required to establish the precise relationship between the two variables.

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The location of point b on the number line is 8.25.

To find the location of point b on the number line, we need to determine the value that satisfies the ratio of ab:bc being 3:1.

Let's assume that the location of point b is represented by the variable x.

Given that the ratio of ab:bc is 3:1, we can set up the following equation:

ab/bc = 3/1

To find the length of ab and bc, we subtract the respective coordinates:

ab = x - 6

bc = 9 - x

Now we can substitute these values into the equation:

(x - 6)/(9 - x) = 3/1

To solve this equation, we can cross-multiply:

1 * (x - 6) = 3 * (9 - x)

Simplifying the equation:

x - 6 = 27 - 3x

Combine like terms:

4x = 33

Divide both sides by 4:

x = 33/4 = 8.25

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The following is an excerpt from A First Training in Probability by Sheldon Ross. (74) = 35 is the right response.

Total moves required are 7, as follows:

Three steps up as well as four steps right.

Remember that perhaps the number of paths equals the number of arranged 7-tuples with 3 U's and 4 R's. As instance, the word URRURRU indicates to travel up, right, up, right, right, up.

There are 7 ways to arrange these letters, 7 ways to arrange the corresponding Us, and 7 ways to arrange the comparable Rs, for a total of 7!3!4! (74).

For each NxN grid, we may write the following as a generalization of our formula: It should be noted that there's a simpler method of writing this: D = N! / (K! * (N-K))! additionally known as the binomial coefficient.

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Answer:

The answer is "\(0.34 \pm 0.060\)".

Step-by-step explanation:

Point estimate = Sample proportion \(= \frac{102}{300}= 0.34\)

For \(95\%\) confidence, \(z = 1.96\)

Hence,

Margin of error\(= 1.96 \times \sqrt{0.34\times \frac{0.84}{300}}=1.96 \times 0.0308 = 0.060\)

Therefore,

Confidence interval in the tri-equality form:

\(\to 0.34 - 0.060 < p < 0.34 + 0.060\\\\\to 0.28 < p < 0.4\)

Confidence interval using point estimate and margin of error:

\(p = 0.34 \pm 0.060\)

Answer:

4+(3x2)-4/2

Step-by-step explanation:

pemdas

After solving the expressions we get the value for each of it as:

a. 1/108

b. 7/18

Given:

a. 12x⁰(x⁻⁴)

Apply the multiplication property of exponents.

when variables multiply, the powers are added.

12x⁰⁻⁴

12x⁻⁴

substitute the value of x = 6 in the above term.

12(6)⁻⁴

12 × 1/6⁴

12 × 1/1296

1/108

b. 14(x⁻²)

The algebraic technique for resolving simultaneous linear equations is called the substitution method. The value of a variable from one equation is substituted in the second equation in this procedure, as the name implies.

directly substitute the value of the x in the expression.

14(6)⁻²

14 × 1/6²

14 × 1/36

7/18

hence after evaluating expressions we get the values as 1/108 and 7/18.

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Answer:

The answer is below

Step-by-step explanation:

Which statements are true about the parallelograms? Check all that apply.

The length of side MN is 2 units.

The length of side M'N' is 5 units.

The image is smaller than the pre-image.

Sides MQ and M'Q' both have the same slope, 1.

The scale factor is 2/5

a) The length of side MN is determined using the formula:

\(|MN|=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}=\sqrt{(4-2)^2+(-2-(-2))^2}=\sqrt{2^2}=2\\ \\ |MN|=2\)

The first option is correct

b) The length of side M'N' is determined using the formula:

\(|M'N'|=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}=\sqrt{(10-5)^2+(-5-(-5))^2}=\sqrt{5^2}=2\\ \\ |M'N'|=5\)

The second option is correct

c) From the coordinates of parallelogram MNPQ and M'N'P'Q', we can see that parallelogram MNPQ is dilated by a factor of 5/2 to produce parallelogram M'N'P'Q' , hence parallelogram M'N'P'Q'  is bigger that parallelogram MNPQ. This means that The image is bigger than the pre-image.

The third option is wrong

d) The slopes are given as:

\(Slope\ of\ MQ=\frac{Change\ in\ y}{Change\ in\ x}=\frac{1-2}{-3-(-2)} =1\\ \\Slope\ of\ M'Q'=\frac{Change\ in\ y}{Change\ in\ x}=\frac{3-5}{-7-(-5)} =1\\\)

Option four is correct

e) From the coordinates of parallelogram MNPQ and M'N'P'Q', we can see that parallelogram MNPQ is dilated by a factor of 5/2 to produce parallelogram M'N'P'Q', hence the scale factor is 5/2

Option 5 is wrong

The length of MN and M'N' is 2 and 5 respectively and parallelogram MNPQ is dilated by a factor of 5/2 to produce parallelogram M'N'P'Q', hence parallelogram M'N'P'Q' is bigger than parallelogram MNPQ.

Given :

A) First, find the length of MN:

\(\rm |MN| = \sqrt{(4-2)^2+(-2-(-2))^2} =2\)

Therefore, this option is correct.

B) Now, find the length of M'N':

\(\rm |M'N'| = \sqrt{(10-5)^2+(-5-(-5))^2} =5\)

Therefore, this option is correct.

C) Parallelogram MNPQ is dilated by a factor of 5/2 to produce parallelogram M'N'P'Q', hence parallelogram M'N'P'Q' is bigger than parallelogram MNPQ. So the image is bigger than the pre-image. Therefore, this option is incorrect.

D) MQ slope is given by:

\(\rm m_1 = \dfrac{1-2}{-3-(-2)}=1\)

M'Q' slope is given by:

\(\rm m_2= \dfrac{3-5}{-7-(-5)}=1\)

So, the sides MQ and M'Q' both have the same slope, 1. Therefore, this option is correct.

E) Parallelogram MNPQ is dilated by a factor of 5/2 to produce parallelogram M'N'P'Q', hence parallelogram M'N'P'Q' is bigger than parallelogram MNPQ. Therefore, this option is incorrect.

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Step-by-step explanation:

Let f(x)=y

y=2x/X-5

y(x-5)=2x

xy-5y=2x

x(y-2)=5y

x=5y/y-2

Apply x=5y/y-2, on f(x)

f(5y/y-2)=2(5y/y-2)/[(5y/y-2)-5]

=(10y/y-2)/[(5y-5y+10)/y-2]

=10y/10

=y

So f^-1(x)=5y/y-2

Answer:

\( \frac{1}{x + 7} + \frac{3}{x + 2} \)

\( = \frac{x + 2}{(x + 7)(x + 2) } + \frac{3(x + 7)}{(x + 2)(x + 7)} \)

\( = \frac{x + 2 + 3x + 21}{ {x}^{2} + 9x + 14} \)

\( = \frac{4x + 23}{ {x}^{2} + 9x + 14 } \)

The statement is True. Relational models view data as part of a table or collection of tables in which all key values must be identified is True. Relational models define data as a collection of tables where all key values are identified.

A table comprises of rows and columns. Each column has a distinct heading, and each row corresponds to a single record. In this type of model, each table is identified using a unique key, which is a set of columns that define a unique identity for each record. Relational databases are classified into multiple tables.

These tables relate to one another with the aid of foreign keys, which are unique identifiers for records in a table. The relational model is a simple, simple, and extremely scalable data model. It is also widely employed and supported by most database management systems.

As a result, the relational model is commonly used for online transaction processing (OLTP) systems that involve frequent data modification and retrieval.

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The total volume of Mountain Dew in this six-pack is approximately 212.058 cubic inches.

Assuming that each can in the six-pack of Mountain Dew is cylindrical in shape, we can use the formula for the volume of a cylinder to calculate the volume of each can, and then multiply that by the total number of cans in the pack.

The formula for the volume of a cylinder will be;

V = πr²h

where V is volume, r is radius (half the diameter), and h is height.

The radius of each can is 1.5 inches (half of 3 inches), and the height is 5 inches. So the volume of each can is;

V = π(1.5)²(5) = 35.343 cubic inches

To find the total volume of the six-pack, we need to multiply this by the number of cans;

Total volume = 35.343 cubic inches/can × 6 cans

= 212.058 cubic inches

Therefore, the total volume is  212.058 cubic inches.

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The location with the greatest amount of rainfall is Beaumont, while the location with the least amount is El Paso.

The first step is to make sure to use the same units. Due to this, let's convert everything to meters.

Based on this, Beaumont has the greatest amount of rainfall and El Paso has the lowest amount of rainfall.

The ratio for these places are 1.5 to 0.2 or 1.5/ 2 = 0.7. This ratio implies that there is a difference of 0.7 meters in the amount of rainfall in these places.

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The other person is right, I used this and it worked.

Answer:

x = 3 pizzas

Step-by-step explanation:

\(x = 3\)

a) Diminishing returns start at x = 1,  where the marginal revenue will be less than the marginal cost

b)At x = 1, the company will earn R(1) = -32 + 6 + 18 + 4 = -4,000 dollars.

c) 0 ≤ x ≤ 25 implies that the Coffee Junction company has the capacity to spend a maximum of 25,000 dollars per month on advertisements.

a) At what level of advertising spending does diminishing returns start?

Diminishing returns refers to a situation when the marginal return on investment decreases as more resources are devoted to it. For instance, in case of Coffee Junction, increasing the advertising expenditure may lead to higher revenue, but the marginal revenue (revenue generated by each additional dollar spent) will gradually decrease.

b) How much revenue will the company earn at that level of advertising spending?

At x = 1, the company will earn R(1) = -32 + 6 + 18 + 4 = -4,000 dollars.

c) What does 0≤x≤25 tell us with respect to this problem?

In this problem, 0 ≤ x ≤ 25 implies that the Coffee Junction company has the capacity to spend a maximum of 25,000 dollars per month on advertisements.

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Answer: it is 13+13=26

Step-by-step explanation:

I don’t care.

Wellesley and Stonebridge, Stonebridge and Carlisle and Carlisle and Welleslay is c = 22 miles.

Let the three places be denoted by S, C and W respectively.

According to question, a,c,b are the distances between Stonebridge(S) & Carlisle(C), Carlisle(C) & Wellesley (W)and Welleslay(W) & Stonebridge(S) respectively.

Since if we travel C to W to S to C to C then it is equal to 73miles.

So,

c + a + b = 73 .....(1)

Since the distance between S and C is 12 miles father than distance between W and A.

So, b = 12 + c .....(II)

Or c = b - 12 ....(2)

Since if we drove S to C and back to S and than to W and back to S, the total travelling is 102 miles.

So, b + b + a + a = 102

Or 2b + 2a = 102 .....(II)

On dividing both sides by 2, we get

b + a = 51 .....(III)

Or a = 51- b ....(3)

Hence, the equation (I), (II) and(III) are the system of equations that represents the given situation

On Putting the values of c and a from equations (2) and (3) in equation (1), we get

b - 12 + 51- b + b = 73

b +39 = 73

Or b = 73 - 39 = 34 miles ....(4)

On putting b =136 miles in equation(2) and (3) , we get

c = b - 12 = 34 - 12 = 22 miles ...(5)

and

a = 51 - 34 = 17 miles ...(6)

Hence, a = 17 miles, b = 34 miles, c = 22 miles

Here, this solution means that the distance between

Wellesley and Stonebridge is a = 17 miles

Stonebridge and Carlisle is b = 34 miles

Carlisle and Welleslay is c = 22 miles.

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Answer:

We have a problem here, Houston.

Step-by-step explanation:

Is "(x+5)2=36" supposed to be (x+5)^2=36 ?

If so,

x = ± 11

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

If it is indeed (x+5)2=36

then:

2x + 10 = 36

2x = 26

x = 13

None of the answer options fir either of these two interpretations of the equation provided.  Please check the equation.

Answer:

-11 and 1

Step-by-step explanation:

did the test

Answer:

0 I think

Step-by-step explanation:

The regular expression an (a | b)*ba defines a language that consists of strings that start with the letter "a", followed by zero or more occurrences of either "a" or "b", and ends with the sequence "ba".

a. The language defined by the regular expression a(a|b)*ba:
The given regular expression represents a language that consists of strings that start with an 'a', followed by zero or more occurrences of 'a' or 'b' (denoted by the (a|b)* part), and then ending with the sequence 'ba'. In simpler terms, any string that starts with 'a' and ends with 'ba' and has any combination of 'a's and 'b's in the middle belongs to this language.
b. Design a finite-state automaton to accept the language defined by the expression:
To design a finite-state automaton (FSA) for the given regular expression, follow these steps:
1. Create an initial state (q0) and make it the start state.
2. From the initial state (q0), create a transition with the input 'a' to a new state (q1).
3. Create a loop in state q1 with the input 'a' and another loop with the input 'b'. This represents the (a|b)* part of the expression.
4. From state q1, create a transition with the input 'b' to a new state (q2).
5. From state q2, create a transition with the input 'a' to a new state (q3).
6. Make state q3 the final/accepting state.
The designed FSA will accept the language defined by the regular expression an (a|b)*ba. To design a finite-state automaton to accept this language, we can start with a start state, which is represented by a circle. From this start state, we draw an arrow labelled "a" to a new state, which also is represented by a circle. From this new state, we draw two arrows labelled "a" and "b" back to the same state. This represents the zero or more occurrences of "a" or "b". Finally, from this same state, we draw an arrow labelled "b" to a final state, which is represented by a double circle. This final state represents the end of the sequence "ba". The resulting finite-state automaton accepts the language defined by the regular expression an (a | b)*ba.

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Answer:

(0,0)

Step-by-step explanation:

(0,0) would lie on the line y = 2x

Answer:

(0,0)

Step-by-step explanation:

the equation is very easy to be done by x intercept and y intercept so

x intercept( 0,0 )

because on the coordinate line of x the value of y is zero so when we insert 0 on the value of y x becomes 0

y intercept ( 0,0 )

because on the coordinate line of y the value of x is zero so when we insert 0 on the value of x , y becomes 0

Answer:

B.  120°

Step-by-step explanation:

Sum of the measures of the interior angle of a polygon with n sides:

(n - 2)180

We have a pentagon, a 5-sided polygon, so n = 5.

We first find the sum of the measures of the angles of any pentagon.

(5 - 2)180 = 3(180) = 540

From the figure, we add the measures of the 5 angles and set the sum equal to 540°.

3x + 4x + 4x + 4x + 3x = 540°

18x = 540°

Divide both sides by 18.

x = 30°

The angle at vertex C measures 4x.

4x = 4 * 30° = 120°

Answer: B.  120°

Answer:

$42

Step-by-step explanation:

Equation: y = 6x

x = number of ice cream cones

y = 6(7) = 42

Hi! I believe your answer is $10.50. If it's $6 for 4 ice cream cones, divide 6 by 4 and you'll get 1.5, or $1.50 per ice cream cone. For 7 ice cream cones, multiply the unit rate ($1.50 per ice cream cone) by 7. The total cost is $10.50. I hope this helps you! Good luck and have a great day. ❤️✨

Answer:

Your answer would be: square the binomial, distribute 7 inside the parentheses, and then combine like terms

Step-by-step explanation: