If a book has 346 pages, and you read 3 chapters everyday when will you finish it? (From today reading book.)​

Answer:

This statement is not true:

3 is an element of B'.

Answer:

224cm³

Step-by-step explanation:

Split the shape into 2, find both volumes, then add them up.

Volume = length × height × width

= 7cm × 7cm × 4cm

= 196cm³

Volume = length × height × width

= 2cm x 7cm x 2cm

= 28cm³

Total = 196cm³ + 28cm³

= 224cm³

Answer:

  A. one solution; lines intersect at one point

  B. (x, y) = (3, 4)

Step-by-step explanation:

A linear equation will be represented on a graph by a straight line. A pair of equations will graph as a pair of lines. If the lines are not coincident or parallel, they will intersect at exactly one point. That point is the solution to the pair of equations.

__

A graph of the given points quickly shows the lines are not parallel or coincident. Each point on line A satisfies the equation that describes the line. Each point on line B satisfies the equation that describes line B. The point of intersection is a point that satisfies both equations.

A pair of distinct non-parallel lines can have at most one point of intersection. Hence there can only be one solution to the pair of equations.

__

The graph shows the solution to the equations for lines A and B is ...

  (x, y) = (3, 4)

Answer: D

Step-by-step explanation:

As the circumference of a circle is 360 degrees, this means arc BC is 64 degrees.

So, we can conclude that arc AB measures 180-64=116 degrees.

Thus, angle AOB is also 116 degrees.

Answer:

D) 116°

Step-by-step explanation:

If arcBAC measure 296°,

And arcAC measure 180°,

You can get arcAB measure 116°,

Because the arc equals the measure of the central angle,

<AOB=116°

Hope this helps <3

Answer:

$31.92

Step-by-step explanation:

28.50 x .12 = 3.42

3.42 + 28.50 = $31.92

The total cost is thirty-one dollars and ninety-two cents, which includes a tip of three dollars and forty-two cents. Here’s one way to find these amounts.

Let’s set up a proportion. We can substitute the amounts we know into the proportion.  

Now, we cross multiply. Amount of tip times one hundred equals twenty-eight dollars and fifty cents times twelve.  

Then, we divide both sides of the equation by one hundred. The total cost is the food cost plus the amount of the tip. So, the total cost of the meal is thirty-one dollars and ninety-two cents.

Answer:

we'll call "a number" x

10 less than that is: x-10

10 less than that is: x-1010 less than a number is more than 30: x-10 > 30

10 less than that is: x-1010 less than a number is more than 30: x-10 > 30we can solve for x as well: x > 40

Step-by-step explanation:

hope it will help you have a great day bye and Mark brainlist if the answer is correct

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Answer:

20 pi  units^2

Step-by-step explanation:

The shaded sector is a fraction of the WHOLE circle area

  whole circle area = pi r^2 = pi (10^2) = 100pi

the fraction of the whole circle  is  72/360

72/360 * 100 pi = 20 pi     units^2

43³/₄% can be expressed as a decimal to give 43.75%, which can be pronounced as forty-three point seventy-five percent.

A decimal value is a number that contains a whole and a fractional part.

Mathematically, decimal values are expressed using the decimal sign (.).

43³/₄%, which is a fractional value that can be changed into a decimal value thus:

= 43% + ³/₄%

= 43% + 0.75%

= 43.75%

Thus, 43³/₄%, which is forty-three-three-fourth percent, can be expressed as a decimal to give 43.75%.

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Answer:

z=1

Step-by-step explanation:

\(15 \times \frac{1}{3} \times z=5 \\ \\ 5z=5 \\ \\ z=1\)

Random Sampling will be able to calculate the average value of a population without statistical error.

Each sample has an equal chance of being chosen when using the sampling technique known as random sampling.

When there is little chance of data manipulation, systematic sampling is employed.

A census is a study of every element, person, or aspect of the population.

When a population is divided into clusters, a sample is chosen at random from within each cluster. This process is known as cluster sampling.

Hence, we use Random sampling for not getting statistical errors.

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Answer:

Distance = \(\sqrt{(1-5)^{2} + (5-2)^{2} }\) units

               = \(\sqrt{(-4)^{2} + (3)^{2} }\) units

               =\(\sqrt{25}\) units

               = 5 units

Answer:

3.5x

3x+25=3.5x

Step-by-step explanation:

hope this helps

Answer:

hope this helped :)

Step-by-step explanation:

-Option 1

-3x

-3x+30=3.5x

The amount of times a number has been multiplied by itself is shown by its exponent. In this case, x has a value of 1/2.

Exponents and powers can be used to represent extremely large or extremely small numbers in a more straightforward way. To illustrate 3 x 3 x 3 x 3 in a straightforward manner, for instance, we could write it as 34, where 4 is the exponent and 3 is the base. It is claimed that the entire expression 34 has power.
Power is essentially an expression that displays the same number or factor being multiplied repeatedly. The number of times the base is multiplied by itself determines the exponent's value.
First of all write 27 and 9 in the terms of 3.

We are given \(27^{x} = \frac{9}{3^{x} }\)

we know that,

27 can be written as : 27= \(3^{3}\).

9 can be written as: 9= \(3^{2}\).

so we have, \((3^{3}) ^{x} = \frac{3^{2} }{3^{x} } = (3^{3x} )= 3^{2-x}\)

now, compare the powers of both sides and solve for x:-

3x= 2-x

4x= 2

x= 2/4

x= 1/2.

Hence, the value of x is 1/2.

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Complete question:- If \(27^{x} = \frac{9}{3^{x} }\), find the value of x.

The angle of depression from the observation deck to the Lincoln Memorial is  7°

It is important to note that the six types of trigonometric identities. they are;

From the information given, we have to determine the angle of depression

We have that;

Opposite = 500 feet

Adjacent side = 4, 220 feet

Now, let's use the tangent identity, we get;

tan θ = 500/4220

Divide the values

tan θ = 0. 1185

Find the tangent inverse

θ = 7°

Hence, the value is 7°

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Answer:

the answer is ç (3x+4)(x+7)

Answer:

z(0.05) = -1.645

Step-by-step explanation:

z(0.05) = -1.645  is the left tail of the normal probability curve with 5% of the area under the curve.

Answer:1.645

Step-by-step explanation:

The possible values of W can be obtained by substituting the given values of X and Y into the equation W=X+2Y. We have:

For W = -4: X=-2, Y=-1 => W = -2 + 2*(-1) = -4

For W = 0: X=-2, Y=0 or X=0, Y=-1 => W = -2 + 2*(0) = 0 or W = 0 + 2*(-1) = -2

For W = 4: X=0, Y=1 or X=2, Y=0 => W = 0 + 2*(1) = 2 or W = 2 + 2*(0) = 2

Now, we need to calculate the probabilities associated with each value of W. According to the joint PMF given, we have P(X,Y) = c*|x+y|.

Substituting the values of X and Y, we have:

P(W=-4) = c*|(-2)+(-1)| = c*|-3| = 3c

P(W=0) = c*|(-2)+(0)| + c*|(0)+(-1)| = c*|-2| + c*|-1| = 2c + c = 3c

P(W=2) = c*|(0)+(1)| + c*|(2)+(0)| = c*|1| + c*|2| = c + 2c = 3c

The sum of all probabilities must equal 1, so 3c + 3c + 3c = 1. Solving this equation, we find c = 1/9.

Therefore, the PMF of W=X+2Y is:

P(W=-4) = 1/9

P(W=0) = 1/3

P(W=2) = 1/3

This represents the probabilities of the random variable W taking on each possible value.

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a) 102 of the freshmen like jazz.

b) 306 of the freshmen like neither jazz nor rock.

c) 76 of the freshmen like both rap and rock, but don't like jazz.

The Venn diagram provided shows the result of the survey conducted by the college radio station to determine the number of incoming freshmen that like jazz music, rock music, and rap music.

A Venn diagram is a graphical representation of all possible logical relations among a set of finite collections of different sets or categories.

To answer the questions:

What is the number of freshmen that like jazz?

From the Venn diagram, the number of freshmen that like jazz music = 102 freshmen.

What is the number of freshmen that like neither jazz nor rock?

From the Venn diagram, the number of freshmen that like neither jazz nor rock music = 306 freshmen.

What is the number of freshmen that like both rap and rock, but don't like jazz?

From the Venn diagram, the number of freshmen that like both rap and rock music but don't like jazz music = 76 freshmen.

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Answer:

A: 10

B: 12

c: 18

G: 10.2

Step-by-step explanation:

10 + 10 = 20 \(\geq\) 20 True

10 + 12 = 22 \(\geq\) 20 True

10 + 18 = 28 \(\geq\) 20 True

10 + 10.2 = 20.2 \(\geq\) 20 True

The others are all false if i missed one fell free to tell me

The most precise term for quadrilateral ABCD with vertices A(4, 4), B(5, 8), C(8, 8) is a kite.

Option C is the correct answer.

A kite is a quadrilateral where the adjacent sides are equal which means there are two pairs of equal sides.

We have,

Quadrilateral ABCD:

A = (4, 4)

B = (5, 8)

C = (8, 8)

D = (8, 5)

Now,

A__________B

|                      |

|                      |
|                      |

D_________ C

We see the distance between the two points.

AB = √(8 - 4)² + (5 - 4)² = √(4² + 1) = √17

AD = √(5 - 4)² + (8 - 4)² = √(1² + 4²) = √17

AB = AD

BC = √(8 - 8)² + (8 - 5)² = √9 = 3

CD = √(5 - 8)² + (8 - 8)² = √9 = 3

BC = CD

AB and AC are adjacent sides.

CD and DB are adjacent sides.

So,

The quadrilateral ABCD is a kite.

Thus,

The quadrilateral ABCD is a kite.

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The entire functions that satisfy the given conditions are of the form f(z) = 4z + 3. The entire functions that satisfy the conditions f(0) = 7, f'(2) = 4, and |f"(2)| ≤  are f(z) = 4z + 3, where z is a complex number.

1. Recall that an entire function is a function that is analytic in the entire complex plane.

2. Let's consider the conditions given:

  - f(0) = 7: This condition implies that the constant term of the function is 7.

  - f'(2) = 4: This condition implies that the derivative of the function at z = 2 is 4.

  - |f"(2)| ≤ : This condition implies that the absolute value of the second derivative of the function at z = 2 is less than or equal to some positive constant .

3. To find the entire functions that satisfy these conditions, we can use the Taylor series expansion of an entire function.

4. Let's expand the function f(z) = a₀ + a₁z + a₂z² + ..., where a₀, a₁, a₂, ... are the coefficients of the Taylor series expansion.

5. Since f(0) = 7, we have a₀ = 7.

6. Differentiating the function, we get f'(z) = a₁ + 2a₂z + ..., and evaluating at z = 2, we have f'(2) = a₁ + 4a₂.

7. Using the condition f'(2) = 4, we can solve for a₁: a₁ + 4a₂ = 4. This implies a₁ = 4 - 4a₂.

8. Differentiating the function again, we get f''(z) = 2a₂ + ..., and evaluating at z = 2, we have f''(2) = 2a₂.

9. Using the condition |f"(2)| ≤ , we have |2a₂| ≤ , which implies that |a₂| ≤ .

10. Combining the results, we have a₀ = 7, a₁ = 4 - 4a₂, and |a₂| ≤ .

11. From these equations, we can determine that a₂ can take any value within the range .

12. Therefore, the entire functions that satisfy the given conditions are of the form f(z) = 4z + 3, where the constant term is 3 and the coefficient of z is 4.

In conclusion, the entire functions that satisfy the conditions f(0) = 7, f'(2) = 4, and |f"(2)| ≤  are f(z) = 4z + 3, where z is a complex number.

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The lines to use to solve the equation are y = –3x – 2  and y = 2x + 8

The graph of the line is attached

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

–3x – 2 = 2x + 8

The above equation can be splitted by introducing the variable y

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

y = –3x – 2

y = 2x + 8

This means that the lines to use to solve the equation are y = –3x – 2  and y = 2x + 8

The graph of the line is added as an attachment

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The net annual percentage growth rate of the city population is 0.4%

To calculate the net annual percentage growth rate of a population, we can use the following formula:

Net Annual Percentage Growth Rate = ((Births + Immigrants) - (Deaths + Emigrants)) / Initial Population x 100%

Plugging in the given values, we get:

Net Annual Percentage Growth Rate =\(((100 + 10) - (40 + 30)) / 10,000 x 100%\)

Net Annual Percentage Growth Rate = \((40 / 10,000) x 100%\)

Net Annual Percentage Growth Rate =\(0.4%\)

The net annual percentage growth rate of the city population is 0.4%

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9514 1404 393

Answer:

  multiply the (3, 4, 5) triple by 5 to get (15, 20, 25)

Step-by-step explanation:

Any multiple of a Pythagorean triple is a Pythagorean triple.

  5(3, 4, 5) = (5·3, 5·4, 5·5) = (15, 20, 25) — a Pythagorean triple

Answer:

Step-by-step explanation:

\(f(x)=-x^3-7x^2-7x+15\\Prove:\ x_1=-5\ \ \ \ x_2=-3\ \ \ \ x_3=1\ at\ f(x)=0\\\\-x^3-7x^2-7x+15=0\)

Multiply both parts of the equation by -1:

\(x^3+7x^2+7x-15=0\\x^3+5x^2+2x^2+7x-15=0\\x^2*(x+5)+(2x^2+7x-15)=0\\x^2*(x+5)+(2x^2+10x-3x-15)=0\\x^2*(x+5)+(2x*(x+5)-3*(x+5))=0\\x^2*(x+5)+(x+5)*(2x-3)=0\\(x+5)*(x^2+2x-3)=0\\x+5=0\\x=-5\\x^2+2x-3=0\\x^2+3x-x-3=0\\x*(x+3)-(x+3)=0\\(x+3)*(x-1)=0\\x+3=0\\x=-3\\x-1=0\\x=1\)

From the present question, we can plot the following graph

From the presented equation:

We can see that there is no restriction to the value of x you can use in this equation. It can be evaluated to any given number because the exponential function has as domain all the real numbers. From this, the presented equation also has as domain all the real numbers.

For the range, it is better to solve the other question before finding it.

Let's calculate the limits:

For x going to the positive infinity, the value of x - 2 will go to the positive infinity also, and the exponent of x-2 goes to the same value. From this, we conclude:

Using the same idea, if x goes to the negative infinity, x-2 goes also to negative infinity and the exponential of negative infinity goes to zero, it is:

From these two answers, we also conclude that the Range of the equation is (-7, +∞)

the y-intercept is the value where x = 0. For this, we just need to substitute the value in the equation, as follows:

The asymptote is calculated from the limits to + infinity and - infinity, and from those calculated above we can conclude the only asymptote is:

From this, we conclude:

Answer: A

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

Hope this helps also I had this on a test and it was right

Answer: x(-1.8-6y)  =  -1.8*x -6*y*x

Step-by-step explanation:

The distributive property says that if we have:

A*(B + C) where A, B and C can be any numbers, we can expand the equation as:

A*(B + C) = A*B + A*C.

So, in this case, we have the equation:

x*(-1.8 - 6y)

so we can expand this as:

x*(-1.8 - 6y) = x*(-1.8) + x*(-6*y) = -1.8*x -6*y*x

Each type of interviewer should be hired in order to maximize the number of interviews are 0 undergraduate students, 16 graduate students, and 4 faculty members and the maximum number of interviews is 644 according to the statistics given.

If n = the number of interviews, then let x = the number of undergraduate students hired, y = the number of graduate students employed, z = the number of faculty members hired.

The purposeful action is:

maximization of n = 30x + 32y + 33z

The limitations are: x + y + z 20; 100x + 150y + 200z 3200; and 0;

The answer is 644 because x = 0, y = 16, z = 4.

To increase the number of interviews, it should be recommended that 0 undergraduate students, 16 graduate students, and 4 faculty members be hired. There can be a maximum of 644 interviews by statistics given.

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