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Answer:

289.92

Step-by-step explanation:

Multiply the numbers together

\(\longrightarrow{\green{289.9275}}\) ✅

Step-by-step explanation:

\(39.99 \times 7.25 \\ \\ = 289.9275\)

\(\large\mathfrak{{\pmb{\underline{\orange{Mystique35 }}{\orange{♡}}}}}\)

The most specific name for the figure is an isosceles trapezoid

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

The figure

The properties of the given figure are

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

The figure is a trapezoid

Because the nonparallel sides are congruent, then the most specific name for the figure is an isosceles trapezoid

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Answer:

5: 13

6: 7

7: 26

8: 18

9: x=11 , y=3

Step-by-step explanation:

5:

9x + 2 = 119

9x = 117

x = 13

6:

12x - 8 + 104 = 180

12x - 8 = 76

12x = 84

x = 7

7:

5x + 7 = 8x - 71

3x = 78

x = 26

8:

7x - 61 = 4x - 7

3x = 54

x = 18

9:

9x + 25 = 13x - 19

4x = 44

x = 11

13(11) - 19 + 17y - 5 = 180

143 - 24 + 17y = 180

119 + 17y = 180

17y = 61

y = 3

Answer:

  18x+6

Step-by-step explanation:

You want the total length of fence required to enclose a rectangular garden with width (2x+4) and length (7x-1) feet.

Perimeter

The perimeter of a rectangle is given by the formula ...

  P = 2(L+W)

Substituting the given length and width, we find the perimeter to be ...

  P = 2((7x-1) +(2x+4))

  P = 2((7+2)x +(-1+4)) = 2(9x +3)

  P = 18x +6

The total amount of fencing Susan needs is represented by the expression (18x+6).

Answer: B

Step-by-step explanation: TRUST

The horizontal component of the force vector is 260 pounds, and the vertical component is 150 pounds. (Option B).

To find the horizontal and vertical components of the force vector, we can use trigonometry. The horizontal component is the force acting in the direction parallel to the ground (x-axis), and the vertical component is the force acting in the direction perpendicular to the ground (y-axis).

Given that the force is 300 pounds and makes a 30° angle with the ground, we can calculate the components as follows:

Horizontal component (F_horizontal) = Force * cos(angle)

Vertical component (F_vertical) = Force * sin(angle)

Inserting in the values:

Horizontal component (F_horizontal) = 300 pounds * cos(30°)

Vertical component (F_vertical) = 300 pounds * sin(30°)

Now, let's calculate:

Horizontal component (F_horizontal) = 300 pounds * 0.866 (rounded to 3 decimal places, cos(30°) ≈ 0.866)

F_horizontal ≈ 259.8 pounds

Vertical component (F_vertical) = 300 pounds * 0.5 (rounded to 3 decimal places, sin(30°) ≈ 0.5)

F_vertical ≈ 150 pounds

Therefore, the required components of the force vector are approximately 260 pounds and 150 pounds.

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Answer:

A = 9.2 cm²

Step-by-step explanation:

A = 1/2 bh, you know the base = 4.6 and you need to find the height of the triangle.

Drawn the attitude of the equilateral triangle to the base and use a² + b² = c²

c = side of the triangle = 4.6 , b = 1/2 0f 4.6 = 2.3 . the attitude to the base ÷ the base in half.

a² + (2.3)² = (4.6)²

a² + 5.29 = 21.16

a² = 21.16 - 5.29

a² = 15.87

\(a = \sqrt{15.87}\)  

Now we know the height of the triangle = \(\sqrt{15.87}\) , the base = 4.6

A = 1/2bh

A = 1/2 (4.6)(\(\sqrt{15.87}\) )

A  = 9.1625

A = 9.2 cm²    or the A of any equilateral triangle = \(\frac{\sqrt{3} }{4} s^2\)

                                              A = \(\frac{\sqrt{3} }{4} (4.6)^2\)

                                              A = 9.1625

                                              A = 9.2

Answer:

To simplify the given expression, you need to take commons both in upper and lower part of the fraction..

a² - ab - ac + bc

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

a² + ab - ac - bc

a(a - b) -c ( a -b)

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

a( a+ b) - c(a + b)

(a-b) (a-c)

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

(a+b) (a-c)

Now we can cancel out (a-c) from both sides..

so the result is:

(a-b)

------

(a+b)

The types of concurrent constructions that are needed to find the centroid of a triangle include the following: B. intersection of the lines drawn to the midpoint of each side of the triangle to its opposite vertex.

In Mathematics and Geometry, the centroid theorem states that the centroid of a triangle is located at two-third (2/3) of the distance from the vertex to the midpoint of the (opposite) sides.

Generally speaking, the centroid of a triangle simply refers to the point where the three (3) medians of the triangle meet or intersect. This ultimately implies that, a centroid is a point of intersection of the lines from each vertex of a triangle to the midpoint of the opposite sides.

In this context, the types of concurrent constructions would be modeled by answer option B.

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Complete Question:

What types of concurrent constructions are needed to find the centroid of a triangle.

A. intersection of the lines drawn from each vertex of a triangle and perpendicular to its opposite side.

B. intersection of the lines drawn to the midpoint of each side of the triangle to its opposite vertex.

C. intersection of the lines drawn to bisect each vertex of the triangle.

D. intersection of the lines drawn perpendicular to each side of the triangle through its midpoint

Approximately 95% of the data lie between 35 and 49 is true. Option c)  A symmetric, mound-shaped distribution with a mean of 42 and a standard deviation of 7 follows a normal distribution.

According to the empirical rule, approximately 95% of the data in a normal distribution lie within 2 standard deviations of the mean. In this case, 2 standard deviations above and below the mean would be:

42 + 2(7) = 56

42 - 2(7) = 28

Therefore, approximately 95% of the data lie between 28 and 56. Option c) states that the data lie between 35 and 49, which is within this range and satisfies the condition.

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Answer:

y=-1x+5

Step-by-step explanation:

To find the probability of getting 10 or more successes in a binomial experiment with p = 0.63 and n = 11 trials, we can use the cumulative probability function.

P(X ≥ 10) = 1 - P(X < 10)

Using a binomial probability formula, we can calculate the probability of getting exactly k successes:

P(X = k) = C(n, k) * p^k * (1 - p)^(n - k)

where C(n, k) represents the binomial coefficient.

Let's calculate the probability for each value from 0 to 9 and subtract it from 1 to get the probability of 10 or more successes:

P(X < 10) = P(X = 0) + P(X = 1) + P(X = 2) + ... + P(X = 9)

P(X < 10) = Σ[C(11, k) * p^k * (1 - p)^(11 - k)] for k = 0 to 9

Using this formula, we can calculate the probability:

P(X < 10) ≈ 0.121

Therefore, the probability of getting 10 or more successes in the binomial experiment is:

P(X ≥ 10) ≈ 1 - P(X < 10) ≈ 1 - 0.121 ≈ 0.879

Rounding to three decimal places, the probability is approximately 0.879.

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Consider the same figure as given above. It is observed that DP/PE = DQ/QF and also in the triangle DEF, the line PQ is parallel to the line EF.

So, ∠P = ∠E and ∠Q = ∠F.

Hence, we can write: DP/DE = DQ/DF= PQ/EF.

The above expression is written as

DP/DE = DQ/DF=BC/EF.

It means that PQ = BC.

Hence, the triangle ABC is congruent to the triangle DPQ.

(i.e) ∆ ABC ≅ ∆ DPQ.

Thus, by using the AAA criterion for similarity of the triangle, we can say that

∠A = ∠D, ∠B = ∠E and ∠C = ∠F.

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We know that the volume of a cube is given by V = s^3, where s is the length of a side. Taking the derivative of both sides with respect to time, we get:

dV/dt = 3s^2 ds/dt

We are given that dV/dt = 77 cubic feet per second and V = 8 cubic feet. Therefore,

77 = 3s^2 ds/dt
ds/dt = 77/(3s^2)

We also know that the surface area of a cube is given by A = 6s^2. Taking the derivative of both sides with respect to time, we get:

dA/dt = 12s ds/dt

Substituting ds/dt from above, we get:

dA/dt = 12s (77/(3s^2))
dA/dt = 308/s

At the instant when the volume of the cube is 8 cubic feet, s = (8)^(1/3) = 2, since s is the length of a side. Therefore,

dA/dt = 308/2 = 154

So the rate of change of the surface area of the cube is 154 square feet per second.
To solve this problem, we will use the given information about the rate of change of volume and relate it to the rate of change of surface area. First, let's express the volume (V) and surface area (A) of a cube in terms of its side length (s):

1. Volume of a cube: V = s³
2. Surface area of a cube: A = 6s²

Now, differentiate both equations with respect to time (t):

1. dV/dt = 3s² ds/dt
2. dA/dt = 12s ds/dt

We are given that dV/dt = 77 cubic feet per second. We need to find dA/dt when the volume is 8 cubic feet.

From the volume equation (V = s³), we can find the side length (s) when the volume is 8 cubic feet:

8 = s³
s = 2 feet (since 2³ = 8)

Now, we can find ds/dt by plugging in the values for s and dV/dt into the first differentiated equation:

77 = 3(2²) ds/dt
77 = 12 ds/dt
ds/dt = 77/12 feet per second

Now that we have ds/dt, we can find dA/dt by plugging in the values for s and ds/dt into the second differentiated equation:

dA/dt = 12(2)(77/12)
dA/dt = 24(77/12)
dA/dt = 154 square feet per second

So, the rate of change of the surface area of the cube is approximately 154 square feet per second when the volume is 8 cubic feet.

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The price of one donuts, if you can buy 6 donuts and two kolaches for $8.84 and one kolache and 4 donuts would cost $5.36 is  $0.94.

Let's represent the price of one donut with "d" and the price of one kolache with "k". Then we can write two equations based on the information given:

6d + 2k = 8.84 (equation 1)

4d + 1k = 5.36 (equation 2)

We can use equation 2 to solve for k:

k = 5.36 - 4d

Now we can substitute this expression for k into equation 1:

6d + 2(5.36 - 4d) = 8.84

Simplifying and solving for d:

6d + 10.72 - 8d = 8.84

2d = 1.88

d = 0.94

Therefore, the price for one donut is $0.94.

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There are 45 games played in a season of the youth soccer league with 10 teams.

In a youth soccer league with 10 teams, each team will play against every other team exactly once.

To determine the number of games played in a season, we can use the combination formula, which calculates the number of ways to choose 2 teams from a set of 10 teams. Each combination represents a unique game.

The formula for combinations, also known as the binomial coefficient, is:

C(n, r) = n! / (r! * (n - r)!)

where n is the total number of items and r is the number of items to be chosen.

In this case, we have 10 teams, and we need to choose 2 teams for each game.

Using the combination formula, we can calculate the number of games played as:

C(10, 2) = 10! / (2! * (10 - 2)!)

= 10! / (2! * 8!)

= (10 * 9) / (2 * 1)

= 45

Therefore, 45 games are played in a season.

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Answer:

71.9 i think

Step-by-step explanation:

Answer:

7,3

Step-by-step explanation:

for every 5 it goes right it goes 4 up. 2,1+5,4=7,3

The general solution is v = π/4 - arcsin(-√(3) / 2) + 2πn, where n is an integer.

To find all angles v between -π and π that satisfy the equation -√(2)*sin(v) + √(2)*cos(v) = √(3), we can manipulate the equation using trigonometric identities.

First, let's rewrite the equation in terms of the sine and cosine functions:

-√(2)*sin(v) + √(2)*cos(v) = √(3)

Next, we can simplify the left side of the equation by factoring out the common factor of √(2):

√(2) * (-sin(v) + cos(v)) = √(3)

Dividing both sides by √(2), we have:

-sin(v) + cos(v) = √(3) / √(2)

Now, let's rewrite the left side of the equation using the sine and cosine addition formula:

-√(2)*sin(v - π/4) = √(3) / √(2)

Dividing both sides by -√(2), we obtain:

sin(v - π/4) = -√(3) / 2

Now, we can find the angles v between -π and π that satisfy the equation by taking the inverse sine of both sides:

v - π/4 = arcsin(-√(3) / 2)

Since the inverse sine function has a range of -π/2 to π/2, we can add or subtract multiples of 2π to obtain all possible angles v within the given range.

The general solution is:

v = π/4 - arcsin(-√(3) / 2) + 2πn, where n is an integer.

This equation provides all the angles v between -π and π that satisfy the given equation.

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Answer:

The vertical line test can be used to determine whether a graph represents a function. ... If we can draw any vertical line that intersects a graph more than once, then the graph does not define a function because that x value has more than one output. A function has only one output value for each input value.

Step-by-step explanation:

Can i get braineist pls

Answer:

a 26 meses gracias por los puntos

Answer:

Y value is 33

Step-by-step explanation:

Y intercept is 33 because y intercepts are (0,33)

Step-by-step explanation:

6+7m<6m or 3m-7<5+6m

6<7m+6m or 3m-6m<5+7

6<13m or -3m<13

m<13/6 or m<13/-3

m<2.16 or m<-4.333

m<2.2 or m<-4.34

One disadvantage of using a large sample size in research is the c) increased expense associated with data collection, participant recruitment, incentives, and data processing.

While a large sample size is generally advantageous in statistical analysis and research, it comes with certain drawbacks. One of the main disadvantages is the increased expense involved in working with a large sample size. Collecting data from a larger sample requires more resources, such as time, money, and personnel. The costs associated with data collection, participant recruitment, incentives, and data processing can escalate significantly with larger sample sizes. This can pose a challenge for research studies or projects with limited resources or tight budgets.

The expenses incurred when working with a large sample size can include various aspects. For example, reaching out to and recruiting a larger number of participants can require additional efforts and costs for advertising, communication, and coordination. Providing incentives or compensation to a larger sample size can also be more expensive. Additionally, data processing and analysis become more time-consuming and resource-intensive with larger datasets, potentially requiring more advanced software, hardware, or computational resources. All these factors contribute to the increased expense associated with using a large sample size in research. Therefore, it is essential for researchers and organizations to carefully consider the financial implications and resource availability before deciding on the sample size for a study or project.

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The answer is 186 miles, at most.

The inequalities written were either

Or

Answer:

x= 119

Step-by-step explanation:

All triangles have a sum of 180 degrees for all of their angles

so 180= 24+37+ x

x= 119

Answer:

They sold 67.50 in total

Step-by-step explanation:

If each of them sold 15 boxes for 2.25 then both of them got 33.75 each then you add it and that gives you 67.50

Answer:

(4,3)

Step-by-step explanation:

f(x) = a(x-h)^2 +k is the vertex form of a parabola

where (h,k) is the vertex

f(x) = (x-4)^2 +3

    yields a  vertex of (4,3)

Answer: The answer is A 4,3

Step-by-step explanation:

Answer:

36 degrees

18+18=36