26.
circle


triangle


hexagon


rectangle


pentagon

The probability that a randomly selected person in the neighborhood does not take walks but has a dog is 7/26.

Probability refers to the chance or likelihood that an expected outcome occurs when there are many possible chances of other outcomes.

Probability is the ratio or quotient obtained by dividing the expected outcome by the number of occurrences.

Probability can be expressed as a fraction, decimal, or percentage when it is not 100% certain or uncertain.

The total number of dog owners in the neighborhood = 78

The number of dog owners in the neighborhood who walks their dogs = 57

The number of dog owners in the neighborhood who do not walk their dogs = 21

The probability of randomly selecting a person who does not take walks but has a dog = 21/78 = 26.9% (21/78 x 100)

21/78 = 7/26

Thus, in fraction, the probability that a randomly selected person in the neighborhood has a dog but does not take walks is 7/26.

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Answer:

21/100

Step-by-step explanation:

just took the test

The median and mode of the data set are 12, 12 respectively.

The median is the value that splits the mathematical numbers or expressions in the half. The median value is the middle number of data point. To find the median, firstly arrange the data points in ascending order.

The mean of the data is 12 (given).

The median of the data is the middle number.

The data arranged in the ascending order,

10, 10, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 14, 14.

12 is the middle value.

The median is 12.

The value that happens most frequently is the mode.

The only average that is capable of having zero, one, or several values is the mode.

Ordering the numbers first aids in determining the mode.

The mode of data set is 12.

Therefore, 12 is mean, median and mode of the data set.

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Answer:

He has 40 cans in each box

Step-by-step explanation:

8 x 5 = 40

The economy size of spray fixative contains 2.70 ounces.

For the stated question-

Thus,

Convert mixed number in improper fraction:

6 2/3 = 20/3

and, 1 2/5 = 7/5

Now, the number of ounces =  20/3 / 7/5

number of ounces =  20*5 /3*7

                               =  100/37

                               =  2.70

number of ounces =  2.70

Thus, the economy size contains 2.70 ounces.

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The value of the numerical expression 11 - 2 · [5 - {5² + 2}] will be 55.

Algebra is the study of abstract symbols, while logic is the manipulation of all those ideas.

The acronym PEMDAS stands for Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This approach is used to answer the problem correctly and completely.

The numerical expression is given below.

⇒ 11 - 2 · [5 - {5² + 2}]

Simplify the numerical expression, then we have

⇒ 11 - 2 · [5 - {5² + 2}]

⇒ 11 - 2 · [5 - {25 + 2}]

⇒ 11 - 2 · [5 - 27]

⇒ 11 - 2 · (-22)

⇒ 11 + 44

⇒ 55

The value of the numerical expression 11 - 2 · [5 - {5² + 2}] will be 55.

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The statement which is true is that: B. the y-value of Function A when x = -4 is less than the y-value of Function B when x = -4.

First of all, we would determine a linear equation that represents Function B by determining its slope using the point-slope form as follows;

y - y₁ = m(x - x₁)

y - y₁ = (y₂ - y₁)/(x₂ - x₁)(x - x₁)

Substituting the given parameters into the point-slope formula, we have the following;

y - 11 = (23 - 11)/(9 - 3)(x - 3)

y - 11 = 12/6(x - 3)

y - 11 = 2(x - 3)

y - 11 = 2x - 6

y = 2x - 6 + 11

y = 2x + 5

Next, we would evaluate both Function A and Function B as follows:

y = x - 4

y = -4 - 4

y = -8.

y = 2x + 5

y = 2(-4) + 5

y = -8 + 5

y = -3.

Therefore, the output value (y-value or range) of Function A is lesser than that Function B.

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Answer:

[tex]8\sqrt{5x}[/tex]

Step-by-step explanation:

I'm assuming the "x" is also under the square root, making the equation:

[tex]9\sqrt{5x} - \sqrt{5x}[/tex]

This may look difficult to simplify at first, but this is really a matter of subtracting coefficients. It may help to explicitly write the coefficient of the square root, which is one.

[tex]9\sqrt{5x} - 1\sqrt{5x}[/tex]

This can be thought of as having 9 of something, and taking away 1 of that thing, this logically means you have 8 left. In this case, that "thing" is the: [tex]\sqrt{5x}[/tex], so we have 8 of this, or in other words: [tex]8\sqrt{5x}[/tex] which is our answer! Note: It also may help to think of the equation as: [tex]9x-x[/tex] which you may be more used to, making it easier to remember just to subtract coefficients, except in this case, [tex]x=\sqrt{5x}[/tex]

Another way to think of this problem, which will lead to the same step of subtracting one from nine, is factoring. Starting with the equation:

[tex]9\sqrt{5x} - 1\sqrt{5x}[/tex]

We can factor out the [tex]\sqrt{5x}[/tex] which leads to the equation:

[tex]\sqrt{5x}(9-1)[/tex]

now just simplify that 9-1, and you get:

[tex]8\sqrt{5x}[/tex]

Answer:

  D.  y = 2 1/16

Step-by-step explanation:

You want to know the value of f(x) when x = 1/4 and f(x) = x²+2.

The domain of a function is the set of values for which it is defined. The given function f(x) is defined for all values of x. However, the problem statement tells you the only domain value of interest is x = 1/4.

The range is the set of function values corresponding to the domain values. Here, the only range value of interest is the value of f(1/4).

Put the value of the variable where the variable is in the function definition and do the arithmetic.

  y = f(1/4) = (1/4)² +2 = 1/16 +2

  y = 2 1/16

__

Additional comment

A calculator can help you evaluate an expression.

Answer: D

Step-by-step explanation:

The probability that a randomly selected student plays a sport, given that the student is a senior will be 0.08. Then the correct option is A.

Its fundamental concept is that someone will nearly surely occur. The proportion of positive events in comparison to the total of occurrences.

Then the probability is given as,

P = (Favorable event) / (Total event)

At a secondary school, the likelihood that an understudy is a senior is 0.25. The likelihood that an understudy plays a game is 0.20. The likelihood that an understudy is a senior and plays a game is 0.08.

The probability that a randomly selected student plays a sport, given that the student is a senior will be 0.08. Then the correct option is A.

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Answer:

Step-by-step explanation:

To find the measure of angle B in the triangle, we can use the fact that the measures of the angles in a triangle always add up to 180 degrees.

We know that the measure of angle A is 112 degrees and the measure of angle C is 40 degrees, so we can set up the following equation:

A + B + C = 180

Plugging in the known values, we get:

112 + B + 40 = 180

Solving for B, we find that the measure of angle B is 28 degrees.

Therefore, the missing angle of the triangle is 28 degrees.

5yz^2-z-24y+77 contain 5 terms .

In this question ,

This expression 5yz^2-z-24y+77 contains 5 terms.

The first term is 5yz^2.

The second term is -z.

The third term is -24y.

The fourth term is +77.

The fifth and final term is +77.

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5yz^2-z-24y+77 contain 5 terms .

In mathematics, the terms of an expression are the individual parts of the expression. Each term is separated from other terms by a plus sign ("+") or a minus sign ("-").

Terms can be numbers, variables, or a combination of the two. A term might also include coefficients, which are numbers that are multiplied by the variables.

In algebra, the terms of an expression are usually combined using addition, subtraction, multiplication, and division. Each term can be evaluated separately, and the result of the evaluation will be the result of the entire expression.

For example, the expression 5x + 3 can be evaluated by multiplying 5 times x and then adding 3 to get the result. The terms of the expression are 5x and 3.

In this question ,

This expression 5yz^2-z-24y+77 contains 5 terms.

The first term is 5yz^2.

The second term is -z.

The third term is -24y.

The fourth term is +77.

The fifth and final term is +77.

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F60.

246 in hexadecimal is F6. When multiplied by 10, the result is F60.

Answer:

d = 45

Step-by-step explanation:

It is stated that ECA and DBA are similar triangles.

To find the distance across the lake we can use the similarity ratio:

CE/BD = CA/BA

[tex] \frac{d}{30} = \frac{435}{290} [/tex]

290d = 13050

d = 45

Answer:

$5.00

Step-by-step explanation:

2.00/40% = x/100%

Using the butterfly method becomes:

200/40x

then solve for x:

200/40 = 40x/40

5 = x

Answer:

b = 8

Step-by-step explanation:

I think that you meant

-56 = -3b -32  Add 32 to both sides

-56 + 32 = -3b - 32 + 32

-24 = -3b  Divide both sides by -3

[tex]\frac{-24}{-3}[/tex] = [tex]\frac{-3b}{-3}[/tex]

8 = b

Answer:

b = 8

Step-by-step explanation:

Given equation,

→ -56 = -3b - 32

Now the value of b will be,

→ -3b - 32 = -56

→ -3b = -56 + 32

→ -3b = -24

→ b = -24/-3

→ b = 24/3

→ [ b = 8 ]

Hence, the value of b is 8.

Answer:

yes

Step-by-step explanation:

yes, I have taken a picture of a problem/question and had it answered

The value of the expressions are:

a) -x(1 + x)

b) 16xy

c) -2x²/y

d) -6xyz (3z + x)

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

a)

-x - x²

= -x(1 + x)

b)

8x³y4z² ÷ 2x²y²z²

= 32x³yz² / 2x²y²z²

= 16xy

c)

12x² ÷ -6y

= 12x² / -6y

= -2x²/y

d)

-18xyz² + (-6)x²yz

= -6xyz (3z + x)

Thus,

The value of the expression is:

a) -x(1 + x)

b) 16xy

c) -2x²/y

d) -6xyz (3z + x)

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Answer: y = -√(x + 5) + 2.

y = -√x

Shifting these 2 units up produces the equation:

y = -√x + 2

Moving it 5 units to the left gives:

y = -√(x + 5) + 2.

Step-by-step explanation:

The picture is enough to prove the triangles congruent with the pattern

Congruency simply means equivalent.  So two triangles are equivalent in the following conditions

The two triangles are ΔIJH and ΔKHJ

ΔIJH has two given sides with an included angle

Also, ΔKHJ has two given sides with an included angles

This is to say that the two triangles have SAS each

In conclusion, the two triangles are congruent

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Answer:

x is 40.

Step-by-step explanation:

The triangle with all sides equal is an equilateral triangle, one you shouldn't be bothered about. This is because the angle of 100 has already been given. If you look at the diagram closely, you can see that the triangle in which angle x is present is an isosceles triangle. Since the top angle is already given, there is a formula to calculate the bottom angle, i.e., x.

The formula is : (180- the top angle, in this case 100) / 2

Hope you fully understood my answer ! If you didn't, that's fine, you can search on any website. You can find way better explanations there.

The z-score, also known as the standard score, tells us how many standard deviations an individual data point is from the mean of the data set.

What is an illustration of statistics ?

A statistic is a numerical expression of a sample characteristic. The average amount of points obtained by students in one math class at the conclusion of the term, for instance, is an example of a statistic if we see that class as a sample of the population of all math classes.

For Class 1, where the mean is 70 and the standard deviation is 10, the z-score for your midterm score of X = 70 is (70-70)/10 = 0. This means that your score is exactly at the mean and the same as other students in the class.

For Class 2, where the mean is 50 and the standard deviation is 20, the z-score for your midterm score of X = 70 is (70-50)/20 = 1. This means that your score is one standard deviation above the mean and better than most of the students in the class.

For Class 3, where the mean is 80 and the standard deviation is 5, the z-score for your midterm score of X = 70 is (70-80)/5 = -2. This means that your score is two standard deviations below the mean and worse than most of the students in the class.

For Class 4, where the mean is 80 and the standard deviation is 20, the z-score for your midterm score of X = 70 is (70-80)/20 = -0.5. This means that your score is half a standard deviation below the mean and worse than some of the students in the class but better than others.

Overall, from the z-scores, in class 1 and class 4, you have scored at the mean, in class 2 you have scored better than most of the students in the class and in class 3 you have scored worse than most of the students in the class.

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Answer: Width is 70 yd and length is 120 yd

Answer:
y = 2x + 4

If this help please set brainly brainliest.

Step-by-step explanation:

The slope-intercept form of the line shown in the graph is indeed y = 2x + 4.

To arrive at this equation, we used the slope-intercept form y = mx + b, where m is the slope and b is the y-intercept. The slope was calculated to be 2 using the formula: slope = (y2 - y1) / (x2 - x1) = (4 - 0) / (0 - (-2)) = 4/2 = 2.

The y-intercept of the line is the point where the line crosses the y-axis, which in this case is (0,4). Substituting the values for the slope and y-intercept into the slope-intercept form gives us the equation y = 2x + 4.

When compared to green and yellow, which have diameters of 6 and 8, respectively, blue has a 1.5 cm diameter.

A circle is created in the plane by each point that is a specific distance from another point (center). Thus, it is a curve made up of points that are separated from one another by a defined distance in the plane. Additionally, it is rotationally symmetric about the center at every angle. Every pair of points in the plane of a circle, which is a closed two-dimensional object, are equally separated from the "center," and a line through the circle generates a specular symmetry line. Additionally, it is rotationally symmetric about the center at every angle.

given

diameter green = 6 cm

diameter yellow = 8 cm

diameter of total = 13 cm

diameter of blue = diameter of total - ( diameter yellow + diameter green )

= 1.5 cm

When compared to green and yellow, which have diameters of 6 and 8, respectively, blue has a 1.5 cm diameter.

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Answer: x = 9500

Step-by-step explanation:

Ok, so we know the bank loaned part of the $17,500 at a 4% interest rate.  Lets call this loan amount x.  Then the rest of the 17,500 was loaned at a 9% interest rate.  Whatever this amount was, we can define it as 17,500 - x.  We also know that the total interest earned was $1,100.  With this information, we can form the following equation:

.04(x) + .09(17500 - x) = 1100

Multiply the .09 times the inside of the parentheses:

.04x + 1575 - .09x = 1100

Simplify:

-.05x + 1575 = 1100

-.05x = -475

x = 9500

Since x is originally the amount loaned at the 4% interest rate, we know that $9,500 was loaned at a 4% interest rate.

To figure out the other amount loaned at 9%, simply subtract 9,500 from 17,500 -- this gets us 8,000.  So $8,000 was loaned at a 9% interest rate.

Answer:

I = $ 11.00

Equation:

I = Prt

Calculation:

First, converting R percent to r a decimal

r = R/100 = 11%/100 = 0.11 per year,

then, solving our equation

I = 100 × 0.11 × 1 = 11

I = $ 11.00

The simple interest accumulated

on a principal of $ 100.00

at a rate of 11% per year

for 1 years is $ 11.00.

$22

Using the initial loan amount, interest rate, and term we can find the amount of simple interest paid.

Simple Interest

First, let's define simple interest. Simple interest is the simplest to calculate.  Simple interest is calculated based on the initial loan, aka the principle (P). Compound interest, on the other hand, is calculated based on the principle and any accumulated interest.

Solving for Interest

We are given every value we need, so we can just plug them into the given formula. The principle is the initial $100 loan, so P = 100. The interest rate is 11%, but for the formula, we should use this in decimal form. This way r = 0.11. Then, we are told the total time is 2 years, so t = 2.

Given that f(x) = 3(1.04)* denotes an exponential growth function and that the growth factor is bigger than 1, exponential growth is assumed. Growth is exponential and is occurring at a 4% annual growth rate.

The exponential growth function and exponential decay are the two different kinds of exponential functions. The exponential growth function is represented by the equation f (x) = bx when b > 1. When 0 b 1, the exponential decay function, f (x) = bx, is what is being represented.

Continuous growth is tracked throughout time via exponential functions. Bacterial development, compound interest, and radioactive decay are some typical examples from the real world. The exponential decay function is represented by the equation f (x) = a (1 r) x, where is the initial value and is the rate of decay.Using a percentage, the decay rate is described.Just reduce the % and divide it by 100 to get it into decimal form.The decay factor, b = 1-r, can then be determined. If the rate of deterioration is 25% .

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The probability P(not purple) is (a) 64%

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

2 red, 4 green, 10 yellow, and 9 purple marbles.

This means that

P(not purple) = (not purple)/Total

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

P(not purple) = (2 + 4 + 10)/(2 + 4 + 10 + 9)

Evaluate

P(not purple) = 64%

Hence, the probability is 64%

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Answer:

1/4 is the slope of the line that passes through these points

Step-by-step explanation:

120 - 80 = 40
30 - 20 = 10
10/40
10/40 as a fraction simplified is 1/4 so y = 1/4x