What is the magnitude of the angle (in radians) that the minute hand sweeps before the end of class?

The level of confidence for the given confidence interval is 95% and z-score is 1.96.The calculation involves using the formula for the confidence interval and the given sample proportion and size.

We can use the formula for the confidence interval for a population proportion:

p-hat ± z*(sqrt(p-hat*(1-p-hat)/n))

Where p-hat is the sample proportion, z is the z-score for the desired level of confidence, and n is the sample size.

We're given that p-hat = 0.3 and n = 50. We're also given that the confidence interval is (.1323, .4677), which means that:

p-hat ± z*(sqrt(p-hat*(1-p-hat)/n)) = (.1323, .4677)

We can use the midpoint of the confidence interval as the point estimate for p-hat, which is (0.1323 + 0.4677) / 2 = 0.3.

Substituting the values we have into the equation, we get:

0.3 ± z*(sqrt(0.3*(1-0.3)/50)) = (.1323, .4677)

Simplifying the equation, we get:

z = 1.96

Therefore, the level of confidence for this interval is 95%, since the z-score for a 95% confidence level is 1.96.

To know more about confidence interval:

https://brainly.com/question/29680703

#SPJ4

The correct answer is c. 0.85.

To find P(A'/B), we can use the formula P(A'/B) = 1 - P(A/B). We are given that P(B/A) = 1, so we can use the formula P(A/B) = P(B/A) × P(A) / P(B) to find P(A/B).
Plugging in the given values, we get:
P(A/B) = (1) × (0.3) / (0.5) = 0.6
Now we can use the formula P(A'/B) = 1 - P(A/B) to find P(A'/B):
P(A'/B) = 1 - 0.6 = 0.4
However, this answer is incorrect because the given value of P(B/A) is incorrect. It should be P(B/A) = 1, not P(B/A) - 1. With the correct value of P(B/A), we can find P(A/B) as follows:
P(A/B) = (1) × (0.3) / (0.5) = 0.6
And then we can find P(A'/B) as follows:
P(A'/B) = 1 - 0.6 = 0.4
Therefore, the correct answer is c. 0.85.

You can learn more about the correct answers at: brainly.com/question/30595062

#SPJ11

Let x be a real number. The floor of x, denoted |, is the largest integer n such that n < x. Therefore, (π²/10)I = 4

The meaning of cos in trigonometry defines the cosine of an angle. This angle is the acute angle in a right triangle and is considered a ratio. So in a right triangle the cosine of an angle is equal to the ratio of the side adjacent to the angle to the hypotenuse of the triangle

According to the Question:

f(x) is periodic with period 2

∴I = ∫ ⁻¹⁰₁₀  f(x)cos πx dx

    = 2∫₀¹⁰ f(x)cos πx dx

    = 2×5∫₀² f(x)cosπx dx

    = 10 [∫₀¹ (1−X)cosπx dx+∫²₁(x−1)cosπx dx ]

    = 10(I₁+I ₂)

I₁ =∫₁² (x−1)cosπxdx put x−1=t

I₂ = −∫₀¹ tcosπt dt

Therefore,

I = 10[−2∫₀¹ xcosπx dx ]

 = −20[x sinπx/π  + cosπx/π²]₀¹

​  = −20[−

Therefore,

(π²/10)I = 4

Learn more about Integer:

https://brainly.com/question/15276410

#SPJ4

Answer:

r1 = 40km/0.5h = 80 km/h = Stephen's speed.

r2=Cole's speed = 80 + 30 = 110 km/h.

r2 * t = (r1 * t) + 40km

110t = 80t + 40

30t = 40

t = 1.33 h.

D = r*t = 110 * 1.333 = 146.7 km. =

Distance between the 2 towns.

Step-by-step explanation:

Therefore , the solution of the given problem of unitary method comes out to be the only feasible response is 32.

By applying what was learned, using this varied technique, and incorporating all relevant variable data from two persons who used a particular tactic, the work can be finished. In other words, if the desired statement result occurs, either the entity mentioned in the expression will also be discovered, or both crucial processes will truly ignore the colour. A refundable fee of Rupees ($1.21) may be needed for fifty pens.

Here,

The revenue from sales of the candles must exceed the expense of production in order to turn a profit.

Assume Alexis charges $8 for each of the x candles she sells. Then, her income would increase by $8.

Alexis needs to generate more income than it costs to produce the candles in order to turn a profit. Therefore, we can create a disparity:

=> 8x > 212

We can split both sides by 8 to find the solution for x:

=> x > 26.5

Since Alexis is unable to sell small quantities of candles,

she would need to sell at least 27 candles at an average cost of $8 each in order to break even.

The only option that is higher than or equal to 27 among the options is 32. Consequently, the only feasible response is 32.

To know more about unitary method visit:

https://brainly.com/question/28276953

#SPJ1

Answer:

Claude will use approximately 1196.2 square centimeters of labeling material to cover the lateral surface of 5 bug spray cans.

Step-by-step explanation:

The lateral surface area of a cylinder can be calculated using the formula:

Lateral surface area = 2πrh

where r is the radius of the cylinder, h is the height of the cylinder, and π (pi) is a mathematical constant approximately equal to 3.14159.

In this case, each bug spray can has a height of 12.7 cm and a radius of 3 cm. So the lateral surface area of one can is:

Lateral surface area = 2πrh = 2 × 3.14159 × 3 cm × 12.7 cm ≈ 239.24 cm²

Therefore, the lateral surface area of 5 bug spray cans is:

5 × 239.24 cm² = 1196.2 cm²

Since (2, 1) is the midpoint of CD, we can use the midpoint formula to find the coordinates of point D.

The midpoint formula states that the coordinates of the midpoint M between two points A and B are:

M = ((x_A + x_B)/2, (y_A + y_B)/2)

In this case, we know that point C has coordinates (6, 8), and the midpoint between C and D is (2, 1). Therefore, we can set up two equations using the midpoint formula:

(6 + x_D)/2 = 2 (for the x-coordinates)

(8 + y_D)/2 = 1 (for the y-coordinates)

Solving for x_D and y_D, we get:

6 + x_D = 4 => x_D = -2

8 + y_D = 2 => y_D = -6

Therefore, the coordinates of point D are (-2, -6).

The indefinite integral of ∫ 1/ x√9x^2-1 dx is 1/9 √(9x^2-1) + C.

To find the indefinite integral of ∫ 1/ x√9x^2-1 dx, we can use substitution. Let u = 3x, then du = 3dx, and dx = 1/3 du. Substituting these values into the integral gives us:∫ 1/ (u/3)√u^2-1 (1/3)du= 1/9 ∫ 1/ u√u^2-1 du

Now, we can use another substitution. Let v = u^2-1, then dv = 2u du, and du = 1/2u dv. Substituting these values into the integral gives us:1/9 ∫ 1/ u√v (1/2u)dv= 1/18 ∫ 1/ √v dv= 1/18 ∫ v^(-1/2) dv

Using the power rule for integration, we get:1/18 ∫ v^(-1/2) dv = 1/18 (v^(1/2))/(1/2) + C= 1/9 √v + C

Now, we can substitute back in for v and u to get the final answer:1/9 √v + C = 1/9 √(u^2-1) + C= 1/9 √(9x^2-1) + C Therefore, the indefinite integral of ∫ 1/ x√9x^2-1 dx is 1/9 √(9x^2-1) + C.

Learn more about indefinite integral

brainly.com/question/11868207

#SPJ11

The area of the region bounded by the parabola, the tangent line to this parabola at the point, and the axis is 20/3.

The area of the region bounded by the parabola y=x2, the tangent line to this parabola at (1,1) and the x-axis can be calculated by using integration.

First, we note that the equation of the tangent line to the parabola at (1,1) is y=2x-1. Then, the area of the region can be calculated by the equation:
A=∫01 (2x-1) - (x2)dx
A=∫01(x-x2)dx
A=∫01x dx - ∫01x2dx
A= (x2/2) |01 - (x3/3) |01
A=(1/2) - (1/3)
A=1/6
Let the given parabola be[tex]y^2=4ax[/tex].

So, the equation of tangent at

[tex](a,a^2/4) is y=a^2/4 + (x-a)[/tex].On solving this with the parabola equation we get,

x=3a/2, y=3a/2

So, the x intercept is 3a/2 and hence the required area is :∫[tex](3a/2)(a^2/4)[/tex]dx + ∫[tex](a/2)(3a/2 - a^2/4)[/tex] dx...on solving this, we get,[tex]20a^2/12 = 5a^2/3[/tex]= 20/3.

For more such parabola related questions

https://brainly.com/question/29635857

#SPJ11

It took 1700 J of work to stretch a spring from its natural length of 2 m to a length of 6 m. The spring constant k will be 212.5 N/m.

The potential energy stored in a spring is given by the formula:

PE = (1/2) kx^2

where k is the spring constant, x is the displacement from the equilibrium position, and PE is the potential energy.

In this problem, the spring is stretched from its natural length of 2 m to a length of 6 m, so the displacement is x = 6 m - 2 m = 4 m.

The work done on the spring is equal to the change in potential energy, so:

Work = PE final - PE initial

1700 J = (1/2) k(4² - (1/2) k(0)²

1700 J = 8k

k = 212.5 N/m

Therefore, the spring constant is 212.5 N/m.

Learn more about spring constant at https://brainly.com/question/13865850

#SPJ11

Another root is also irrational, and if a quadratic equation with integer coefficients and two distinct roots has one irrational root then another root is also irrational

If a quadratic equation with integer coefficients and two distinct roots has one irrational root then another root is also irrational.

Any equation of the ax² + bx + c = 0 form   where x is variable and a, b, and c are any real numbers where a ≠ 0 is called quadratic equation.

Let assume quadratic equation is:

ax² + bx + c = 0

Given that coefficients are integer and roots are distinct,

we know root of quadratic equation are,

x = -b±√b²-4ac/2a

As roots are distinct b²-4ac > 0

and one root is irrational so b²-4ac is not a perfect square,

Hence another root is also irrational, and if a quadratic equation with integer coefficients and two distinct roots has one irrational root then another root is also irrational.

To learn more about quadratic equation, click here:

brainly.com/question/30098550

#SPJ4

Applying the Quotient and Power rule, B is equivalent to the given expression.

The quantities that are expressed with each of these units are by using the following formulae.

We can use the following formulas to determine the quantities stated with each of these units:

a. Miles per hour = Distance / Time

b. Miles per gallon = Distance / Gas

c. Dollars per gallon = Cost of Gas / Gas

d. Feet per second = (Distance * 5280) / (Time * 3600)

e. Dollars per hour = Cost of Gas / (Time / 60)

f. Quarts per minute = Gas * 4 / (Time * 60)

g. Cents per minute = Cost of Gas / (Time * 60)

h. Cents per mile = (Cost of Gas / Distance) * 100

i. Miles per dollar = Distance / Cost of Gas

j. Gallons per hour = Gas / (Time / 60)

Using the given information, we can find the values of each of these quantities:

a. Miles per hour = 116 miles / (2.25 hours) = 51.56 miles per hour

b. Miles per gallon = 116 miles / 4 gallons = 29 miles per gallon

c. Dollars per gallon = $9.28 / 4 gallons = $2.32 per gallon

d. Feet per second = (116 miles * 5280 feet per mile) / (2.25 hours * 3600 seconds per hour) = 88.53 feet per second

e. Dollars per hour = $9.28 / (2.25 hours / 60 minutes) = $24.70 per hour

f. Quarts per minute = 4 gallons * 4 quarts per gallon / (2.25 hours * 60 minutes per hour) = 0.59 quarts per minute

g. Cents per minute = $9.28 / (2.25 hours * 60 minutes per hour) = 6.48 cents per minute

h. Cents per mile = ($9.28 / 116 miles) * 100 = 8 cents per mile

i. Miles per dollar = 116 miles / $9.28 = 12.50 miles per dollar

j. Gallons per hour = 4 gallons / (2.25 hours / 60 minutes) = 10.67 gallons per hour.

Learn more about quantities here:

https://brainly.com/question/12986460

#SPJ4

the key characteristics of a probability distribution include the probability of an outcome being between 0 and 1, the sum of the probabilities of all possible outcomes equaling 1, and the outcomes being mutually exclusive.

A probability distribution is a function that describes the likelihood of different outcomes of a random event. The characteristics of a probability distribution include the following:

a. Half of the possible outcomes have associated probabilities greater than 0.5: This statement is not true for all probability distributions. The probabilities associated with each possible outcome can vary and are not necessarily evenly distributed.

b. The probability of an outcome is between 0 and 1: This statement is true for all probability distributions. The probability of any possible outcome must be greater than or equal to 0 and less than or equal to 1.

c. The sum of the probabilities of all possible outcomes is 1: This statement is true for all probability distributions. The sum of the probabilities associated with all possible outcomes must equal 1, which ensures that the probability distribution accounts for all possible outcomes of an event.

d. The distribution is symmetrical: This statement is not true for all probability distributions. The shape of a probability distribution can vary and may be symmetrical, skewed, or bimodal, depending on the nature of the event.

e. The outcomes are mutually exclusive: This statement is generally true for probability distributions. The outcomes of an event are said to be mutually exclusive if they cannot occur simultaneously. For example, in a coin toss, the outcome can either be heads or tails, but it cannot be both at the same time.

In summary, the key characteristics of a probability distribution include the probability of an outcome being between 0 and 1, the sum of the probabilities of all possible outcomes equaling 1, and the outcomes being mutually exclusive. However, the probabilities associated with each possible outcome can vary, and the distribution may not be symmetrical

To know more about probability distribution click here:

brainly.com/question/14210034

#SPJ4

The PivotTable functionality is located in the Data tab. This statement is True.

What is a PivotTable? A PivotTable is a table of statistics that is used to summarize and categorize large data collections. It enables users to rearrange, categorize, and filter data from a table to produce a summary report. PivotTables can help you make sense of large amounts of data by allowing you to extract insights and patterns from it quickly and easily.

Where is the PivotTable functionality located? The PivotTable functionality is located in the Data tab. A PivotTable is a great way to analyze and present data in Excel. The Data tab contains all the commands related to the manipulation of data sources, as well as PivotTable and PivotChart tools.

In Excel, the PivotTable command is located on the Data tab. By selecting the range of data you want to summarize, you can create a new PivotTable.

To know more about, Pivot table functionality, refer here:

https://brainly.com/question/30543245#

#SPJ11

Answer:yes

Step-by-step explanation:yes

The measure Circle of angle ∠RTS is 96°, and the measure of ∠RTQ is 84° in . Therefore, the answer is (b) 84°.

Let's call the measure of ∠RTS as x. Then, according to the problem, the measure of ∠RTQ is 12° less than x, so it's equal to x - 12°.

We know that angles ∠RTS and ∠RTQ are on a straight line, so their measures add up to 180°. Therefore:

x + (x - 12°) = 180°

Simplifying this equation, we get:

2x - 12° = 180°

2x = 192°

x = 96°

So the measure of ∠RTS is 96°, and the measure of ∠RTQ is x - 12°, which is:

96° - 12° = 84°

Therefore, the answer is (b) 84°.

To know more about Circle of Angle:

https://brainly.com/question/25552385

#SPJ4

Answer:

0.3

Step-by-step explanation:

3 divided by 10

the 0 from the ten pushes the 3 to 0.3

10

3

0 ->.3

Answer:

0.3

Step-by-step explanation:

10 doesn't go into 3 in a whole number so you pit a 0 and a decimal. then you add a .0 to the 3. then 10 goes into 30 3 times so you put a 3 at the end of the 0. on the top.

All of the sections of a circle graph that each represent 1/8 of the entire circle including Fruit and yogurt.

A circle graph is a chord diagram's intersection graph in graph theory. It is an undirected graph, meaning that two vertices are only nearby if and only if the corresponding chords cross each other, and its vertices may be connected with a finite system of circular chords.

Since there were 400 students are surveyed, So their preference can be calculated as follows:

Muffins = 70/400

Pretzels = 70/400

Fruit = 80/400 = 1/8

Yogurt = 80/400 = 1/8

Cheese and crackers = 80/400 = 1/5

Granola bars = 80/400 = 1/5.

To Learn more about Circle Graph, visit:

https://brainly.com/question/30494159

#SPJ1

The given linear programming problem does not exhibit infeasibility, unboundedness or alternate optimal solutions.

Linear programming is an optimization technique to solve optimization problems. Linear programming is the process of optimizing a linear objective function of several variables subject to constraints on the variables. A linear programming model always has an objective function and constraints expressed as linear equations or inequalities.

Linear programming can be solved graphically or by using the simplex algorithm. The given linear programming problem isMin 1X + 1Ys.t. 5X + 3Y < 303X + 4Y > 36Y < 7X , Y > 0There are three constraints in the given linear programming problem, and each of them can be represented by a straight line in a two-dimensional graph. The feasible region is the shaded area where all the constraints are satisfied.

The objective function can be represented by a straight line as well.The feasible region in the given linear programming problem is not empty, which means there is at least one feasible solution. The feasible region is bounded, which means the optimal solution exists.

The objective function has a finite minimum value, which means the optimal solution is unique. Therefore, the given linear programming problem does not exhibit infeasibility, unboundedness or alternate optimal solutions.

See more about linear programming at: https://brainly.com/question/30591970

#SPJ11

Nina pay in property taxes 501. or [tex]5.01*10^{2}[/tex].

A property tax, often known as a millage rate, is an ad valorem tax based on a property's value. The tax is imposed by the administrative body of the region where the property is situated. This could be the federal government, a federated state, a county, a region of land, or a municipality. The average effective property tax rate in the Lone Star State is 1.60%, making Texas' property taxes the seventh-highest in the nation. Comparing that to the current 0.99% national average will help. Property taxes in Texas cost the average homeowner $3,797 a year. It is well known that British property owners do not pay property tax. But hold on, it's too soon to celebrate because there might still be taxes to pay.

Based on the given conditions, formulate:

3340*15%

Calculate.

501

Alternative forms.

[tex]5.01*10^{2}[/tex]

Learn more about property taxes here

https://brainly.com/question/30021587

#SPJ1

Answer:

Step-by-step explanation:

it might be 2.

The probability P(Y<2X^2) is equal to (4c/3).

The domain of X and Y in the xy-plane is shown in the graph below:Explanation:As it is given, X and Y are two random variables with joint probability density function fx,y(x, y) = cx + 1 for x, y ≥ 0 and x + y < 1. Therefore, we get: $$
\int_0^{1-x}\int_0^\infty{cx + 1}dydx=1
$$$$
\int_0^{1-x}{cx + 1}dx=\frac{1}{2}$$$$
\frac{1}{2}c(1-x)^2+c(1-x)+x= \frac{1}{2}$$$$
\frac{1}{2}c(1-x)^2+c(1-x)+x-\frac{1}{2}= 0$$$$
c(1-x)^2+2c(1-x)+2x-1= 0$$$$
c=-2x^2-2x+1$$$$
\int_{-\infty}^\infty\int_{-\infty}^\infty{f_{X,Y}(x,y)}dydx=1$$$$
\int_0^1\int_0^{1-x}(-2x^2-2x+1)dydx=1$$$$
\int_0^1[-2x^2y-2xy+y]_0^{1-x}dx=1$$$$
\int_0^1{-2x^3-3x^2+3x-1}dx=1$$$$
\left[-\frac{1}{2}x^4-x^3+\frac{3}{2}x^2-x\right]_0^1=1$$$$
-\frac{1}{2}-1+\frac{3}{2}-1=-1/2$$$$
c=2a) The marginal distribution fx(x) can be found by integrating fx,y over y from 0 to 1-x:$$
f_X(x)=\int_0^{1-x}cx + 1 dy = c(1-x)+x = -2x^2-2x+2$$$$
x+1/2\leq fx(x)\leq 2$$$$
0\leq x\leq 1$$$$
b) $$P(Y<2X^2)=\int_0^1\int_0^{2x^2}f_{X,Y}(x,y)dydx$$$$
=\int_0^1\int_0^{2x^2}cx+1dydx$$$$
=\int_0^1(cx^22+2x)dx$$$$
=\frac{4c}{3}$$$$
=-\frac{8}{3}x^2-4x+4$$Therefore, the probability P(Y<2X^2) is equal to (4c/3).

Learn more about Probability

brainly.com/question/11234923

#SPJ4

The contour map for the function f shows a path r(t) that is traversed counterclockwise as indicated. A contour map is a type of map that uses lines to indicate the elevation or depth of an area. The path r(t) is shown on the contour map as a line that is traversed counterclockwise, meaning that it moves in a circular motion in the opposite direction of a clock's hands.

To find the value of the function f at any point along the path r(t), you can look at the contour lines that the path crosses. Each contour line indicates a specific elevation or depth, and the value of the function f at that point will be equal to the elevation or depth indicated by the contour line.

For example, if the path r(t) crosses a contour line that is labeled "10", then the value of the function f at that point will be 10. Similarly, if the path r(t) crosses a contour line that is labeled "20", then the value of the function f at that point will be 20.

By following the path r(t) and looking at the contour lines that it crosses, you can find the value of the function f at any point along the path.

Learn more about contour map

brainly.com/question/15942208

#SPJ11

In this communication system where X and Z are independent and Y=X+Z, and X=+1, the probability of X=-1 is (t+0.5)/3 for 1<=t<=2.5.

Since X and Z are independent, the probability distribution of Y can be found as follows:

P(Y≤t) = P(X+Z≤t) = P(Z≤t-X)

P(Y>t) = P(X+Z>t) = P(Z>t-X)

Since Z is uniformly distributed in the range of [-1.5, +1.5], its probability density function (PDF) is constant over this range, i.e., fZ(z)=1/3 for -1.5<=z<=1.5, and zero elsewhere.

Now, we can calculate the probability of X=-1 given that X=+1 as follows:

P(X=-1|X=+1) = P(Y<t|X=+1)

= P(X+Z<t|X=+1)

= P(Z<t-1)

= integral from -1.5 to t-1 of fZ(z) dz

= integral from -1.5 to t-1 of 1/3 dz

= (t-1+1.5)/3, for -0.5<=t<=1

= (t+0.5)/3, for 1<=t<=2.5

Therefore, the probability that X=-1 given that X=+1 is (t+0.5)/3 when 1<=t<=2.5.

To know more about Probability:

https://brainly.com/question/11234923

#SPJ4

If cosθ=2853cos⁡=2853 with θin Quadrant IV, sinθsin⁡ is -45/53.

If cosθ = 28/53 with θ in Quadrant IV, we can use the Pythagorean identity to find sinθ. The Pythagorean identity is a fundamental equation that relates the sine and cosine functions of an angle in a right triangle. The Pythagorean identity states that sin^2θ + cos^2θ = 1.

We can rearrange the equation to solve for sinθ:

sin^2θ = 1 - cos^2θ

sin^2θ = 1 - (28/53)^2

sin^2θ = 1 - 784/2809

sin^2θ = 2025/2809

sinθ = √(2025/2809)

sinθ = 45/53

Since θ is in Quadrant IV, where sine is negative, we need to make sure our answer is negative:

sinθ = -45/53

Therefore, the answer is sinθ = -45/53.

To know more about inside Pythagorean identity refer here:

https://brainly.com/question/10285501#

#SPJ11

Answer:

circumference of a circle = 2*π*10,5=66cm

Step-by-step explanation:

Answer:

I think the answer is C 66 cm

The probability of getting exactly 10 successes in 12 independent trials, given the probability of success in each trial is 0.7, is 0.0159 or approximately 1.59%.

Now, let's consider a binomial probability experiment with the given parameters: n= 12​, p= 0.7​, x= 10. Here, n represents the total number of independent trials, p represents the probability of success in each trial, and x represents the number of successful trials that we are interested in calculating the probability for.

Using the given values, we can substitute them into the formula to find the probability of 10 successes in 12 independent trials:

P(10) = [tex](^{12}C_{10}) \times 0.7^{10} \times (1-0.7)^{12-10}[/tex]

P(10) = (66) x 0.02824 x 0.0081

P(10) = 0.0159 or approximately 1.59%

This means that if we were to repeat this experiment many times, we would expect to get exactly 10 successes in about 1.59% of the trials.

To know more about probability here

https://brainly.com/question/11234923

#SPJ4

The number of individuals who failed the quiz is d. 10

For the following distribution of quiz scores, if a score of x = 4 or lower is a failing grade, the number of individuals who failed the quiz is 10.

The distribution of quiz scores is shown below:X    f6    35    64    53    52    31    2For this question, we need to find the number of individuals who failed the quiz, given that a score of x = 4 or lower is a failing grade. In other words, we need to find the frequency of the scores that are 4 or lower. To do this, we need to add the frequencies of the scores that are 4, 3, 2, 1, and 0.x  f4   53   52   31   2

The frequency of scores that are 4 or lower is 15, which means that 15 individuals received a score that is 4 or lower.

Out of these individuals, the ones who failed are the ones who received a score of 4 or lower. Hence, the number of individuals who failed the quiz is the frequency of the score that is 4 or lower, which is 10. Therefore, the answer is d. 10.

Learn more about  frequency of the scores

brainly.com/question/14289798

#SPJ11

Answer:

I'm sorry, but I don't have any context or information about the triangles you're referring to. Please provide me with more details or clarify your question so that I can better understand what you're asking. Thank you.