What is the equation for 2.91 x 0.5

Step-by-step explanation:

= -4(-5(7 - 13) - 19)2(-1)

= -4(-5(-6) - 19)(-2)

= -4(30 - 19)(-2)

= -4(11)(-2)

= (-44) × (-2)

= 88

The value of the given expression is -392.

The given expression is -4[-5(7-13)-19]2(-1).

An expression is a combination of terms that are combined by using mathematical operations such as subtraction, addition, multiplication, and division.

Now, -4[-5(7-13)-19]2(-1)

= -4[-5(-6)-19]2(-1)

= -4[-30-19]2(-1)

= -4 (-49)(-2)

= -4(98)

= -392

Therefore, the value of the given expression is -392.

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Answer:

heidnejfrbfj

Step-by-step explanation:

heudbdbeb

Answer:

Angle D is the largest angle on this triangle! (74.261°) I hope you pass your class! : )

D= 74.261°

E= 42.184°

F= 63.554°

Largest to smallest - D, F, E

The dot plot represents the number of classes per semester chosen by a group of boys and girls in their freshman year of college.

From this information, we can deduce that the two data sets in the dot plot are the number of classes taken by boys and the number of classes taken by girls. To correctly describe these data sets, one could compare the central tendencies (mean, median, or mode), the spread (range or standard deviation), and the overall shape (uniform, bell-shaped, or skewed) of the distributions.

Without seeing the dot plot, it is difficult to provide a specific answer. However, a dot plot is a visual representation of data where each dot represents a data point. Therefore, some statements that could describe the two data sets in this scenario are: - The dot plot shows the distribution of the number of classes per semester chosen by a group of boys and girls in their freshman year of college. - The dot plot allows for a comparison between the number of classes per semester chosen by boys and girls. - The dot plot may show if there are any outliers or trends in the number of classes per semester chosen by the group. - The dot plot can provide insight into the range and spread of the number of classes per semester chosen by the group.

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In linear equation, The required days for which Bryan's workout would be the same in either pool is 2 days.

What is a linear equation in mathematics?

A linear equation in algebra is one that only contains a constant and a first-order (direct) element, such as y = mx b, where m is the pitch and b is the y-intercept.

                         Sometimes the following is referred to as a "direct equation of two variables," where y and x are the variables. Direct equations are those in which all of the variables are powers of one. In one example with just one variable, layoff b = 0, where a and b are real numbers and x is the variable, is used.

Here.

Let the number of days of B'ryan workout be x, the total yard he swims be y,

According to the question,

he swims at the rec center pool, will complete a 100-yard warm-up, and then swim laps in a lane that is 39 yards long.

y = 100 + 39x

Jason swims at the indoor pool at his gym, he will complete a 104-yard warmup, plus the main set that consists of 37 yards per lap.

y = 104 + 37x

Equating both the equation,

100 + 39x =  104 + 37x

39x - 37x =  104 - 100

2x = 4

x = 2  days

Thus, the requried days for which Bryan's workout would be the same in either pool is 2 days.

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The coordinates that aren't whole numbers as fractions or improper fractions (4, 5).

To find the point where the medians of triangle ABC intersect, we first need to find the midpoints of each side of the triangle.

The midpoint of side AB is:

((2+6)/2, (5+9)/2) = (4, 7)

The midpoint of side BC is:

((6+4)/2, (9+1)/2) = (5, 5)

The midpoint of side AC is:

((2+4)/2, (5+1)/2) = (3, 3)

Now, we can find the coordinates of the point where the medians intersect by finding the average of the coordinates of the midpoints:

((4+5+3)/3, (7+5+3)/3) = (4, 5)

Therefore, the medians of triangle ABC intersect at the point (4, 5).

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a. The return on investment is $700.

b. The payment should be $20.

c. The total value is $10,680.

a.

Since the return on investment is 7%

And, the invested amount is $10,000

So, the return on investment should be

= 7% of $10,000

= $700

b. Since the expense ratio is 0.2%

So, here the payment be like

= 0.2% of $10,000

= $20

c. The total value should be

= $10000-$20 +$700

= $10680

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Answer: x= -4

Step-by-step explanation: slope = (y2-y1)/(x2-x1).

(4-7)/(-7-x)

-3/-7-x=1

Multiply both sides by -7-x

-3=-7-x

Add 7 to both sides

4=-x so x = -4

Answer:

So if she has no more than 90 Hershey's then she only has 90 Hershey's

She has 5 boxes

90/5 (divide)

=18

Step-by-step explanation:

Hope that Helped! :)

Answer:The problem is 90/5 which equals 15

Step-by-step explanation:

She’s just splitting the 90 Hershey’s kisses into 5 groups and there will be 15 Hershey kisses in every group.

Answer:

\(Area = 129.5m^2\)

\(Perimeter = 48m\)

Step-by-step explanation:

Given

See attachment

Required

Determine the area and the perimeter of the garden

Calculating Area

First, we calculate the \(area\ of\ the\ rectangle\)

\(A_1 = L * B\)

Where:

\(L = 20-(3.5 +3.5)\)

\(B = 7\)

So:

\(A_1 = (20 - (3.5 + 3.5)) * 7\)

\(A_1 = (20 - 7) * 7\)

\(A_1 = 13 * 7\)

\(A_1 = 91\)

Next, we calculate the area of the two semi-circles.

Two semi-circles = One Circle

So:

\(A_2 = \pi r^2\)

Where

\(r = \frac{7}{2}\)

\(A_2 = \frac{22}{7} * (\frac{7}{2})^2\)

\(A_2 = \frac{22}{7} * \frac{49}{4}\)

\(A_2 = \frac{22}{1} * \frac{7}{4}\)

\(A_2 = \frac{22*7}{4}\)

\(A_2 = \frac{154}{4}\)

\(A_2 = 38.5\)

Area of the garden is

\(Area = A_1 + A_2\)

\(Area = 91 + 38.5\)

\(Area = 129.5m^2\)

Calculating Perimeter

First, we calculate the perimeter of the rectangle

But in this case, we only consider the length because the widths have been covered by the semicircles

\(P_1 = 2 * L\)

Where:

\(L = 20-(3.5 +3.5)\)

So:

\(P_1 =2 * (20-(3.5 +3.5))\)

\(P_1 =2 * (20-7)\)

\(P_1 =2 * 13\)

\(P_1 =26\)

Next, we calculate the perimeter of the two semi-circles.

Two semi-circles = One Circle

So:

\(P_2 = 2\pi r\)

Where

\(r = \frac{7}{2}\)

\(P_2 = 2 * \frac{22}{7} * \frac{7}{2}\)

\(P_2 = \frac{2 * 22 * 7}{7 * 2}\)

\(P_2 = \frac{308}{14}\)

\(P_2 = 22\)

Perimeter of the garden is

\(Perimeter = P_1 + P_2\)

\(Perimeter = 26 + 22\)

\(Perimeter = 48m\)

Answer:

Step-by-step explanation: Its 6x, you add the 6 + 1 then keep the x.

The 3 × 3 matrix that translates a point in r 2 by (3, 1) then rotates the result 45 degrees about the origin is

M = | 1/√2    -1/√2    3/√2- 1/√2 |

      | 1/√2    1/√2     1/√2 + 1/√2 |

       | 0           0                1 |

To find the 3x3 matrix that translates a point in R^2 by (3, 1) and then rotates the result 45 degrees about the origin using homogeneous coordinates, we can follow these steps:

Translation Matrix:

The translation matrix for a 2D translation by (3, 1) is:

T = | 1 0 3 |

| 0 1 1 |

| 0 0 1 |

This matrix translates a point (x, y) by adding the translation vector (3, 1) to it.

Rotation Matrix:

The rotation matrix for a 2D rotation by 45 degrees counterclockwise is:

R = | cos(theta) -sin(theta) 0 |

| sin(theta) cos(theta) 0 |

| 0 0 1 |

Since we want to rotate by 45 degrees, theta = 45 degrees = π/4 radians. Therefore, the rotation matrix becomes:

R = | cos(π/4) -sin(π/4) 0 |

| sin(π/4) cos(π/4) 0 |

| 0 0 1 |

Simplifying, we have:

R = | 1/√2 -1/√2 0 |

| 1/√2 1/√2 0 |

| 0 0 1 |

Combine Translation and Rotation:

To obtain the combined transformation matrix, we multiply the translation matrix T by the rotation matrix R:

M = T * R

Performing the matrix multiplication:

M = | 1 0 3 | | 1/√2 -1/√2 0 |

| 0 1 1 | * | 1/√2 1/√2 0 |

| 0 0 1 | | 0 0 1 |

Simplifying, we have:

M = | 1/√2 -1/√2 3/√2 - 1/√2 |

| 1/√2 1/√2 1/√2 + 1/√2 |

| 0 0 1 |

This is the desired 3x3 matrix that translates a point in R^2 by (3, 1) and then rotates the result 45 degrees about the origin using homogeneous coordinates.

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After answering the presented question, we can conclude that As a equation result, approximately 44.4% of the original trees are still living after three years.

An equation is a mathematical statement that proves the equality of two expressions connected by the equal symbol '='. 2x - 5 Equals 13, for example. Expressions include 2x-5 and 13. The character '=' joins the two expressions. A mathematical formula with two algebraic expressions on either side of an equal sign (=) is known as an equation. It demonstrates the relationship of equivalence between the left and right formulas. In every formula, LHS = RHS (left side = right side).

Assuming that all of the trees on the farm are cut down each year, the percentage of trees that survive after three years is as follows:

60% of the trees die after the first year, leaving only 40% of the original trees.

Following the first year, 40% of the original trees are still standing.

Following the second year, 40% of the original trees remain + (40% of the original trees * 100% - 60% = 40% stump growth) = 64% of the original trees remain.

Following the third year, 40% of the original trees remain + (64% of the original trees * 100% - 60% = 4.4% stump growth) = 44.4% of the original trees remain.

As a result, approximately 44.4% of the original trees are still living after three years.

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Answer: 84.

Step-by-step explanation: If you add the width 5cm and 2cm, it gives you 7cm, then length x width so 12x7= 84(cm).

If I am wrong, I am truly sorry, I haven't done area in a long time.

Answer:

200

Step-by-step explanation:

1. 4 times 5 because there are 5 types in total and they make 4 of each type in each batch they bake. 4*5 is 20.

2. 20 times 10 because they make 10 batches and you know there are 20 in each batch. so 20 times 10 is 200.

200 is the answer.

The solution to the equation and to the nearest tenth is:

x = 4.3

x = 0.3

To solve for x in this equation, we will use the quadratic formula as the equation is the quadratic type. In this equation:

\(x = -b±\sqrt{b^{2} - 4ac} /2a\\x = 9±\sqrt{-9^{2} - 4(2*2} /2*2\\x = 9±\sqrt{81 - 16}/4\\\)

So, x = 9 ± √65/4

x = 9 + 8/4

x = 17/4

x = 4.26 and approximately, 4.3 to the nearest tenth.

Also,

x =  9 - 8/4

x = 1/4

x = 0.25

x = 0.3 So, the two values of x to the nearest tenth are 4.3 and 0.3

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Yes, you can reconstruct the 14 vertices tree , A, B, . . . , N using the given pre-order and post-order traversals.

Here is a step-by-step explanation of how to do it:

Start with the first vertex in the pre-order list (A). This vertex will be the root of the tree.
Find the position of A in the post-order list. All the vertices before A in the post-order list will be in the left subtree, and all the vertices after A will be in the right subtree.
Repeat the process for the left subtree and right subtree separately, using the same approach of finding the root (the first vertex in the pre-order list for that subtree) and splitting the post-order list into left and right subtrees accordingly.
Following these steps, you will reconstruct the tree as follows:
Root: A
Pre-order left subtree: B, D, E, H, L, M, I, F
  Post-order left subtree: D, L, M, H, I, E, F, B
Pre-order right subtree: C, G, J, K, N
  Post-order right subtree: J, N, K, G, C
Repeating the process for the left subtree:
  Root: B
  Pre-order left subtree: D, E, H, L, M, I
  Post-order left subtree: D, L, M, H, I, E
  Pre-order right subtree: F
  Post-order right subtree: F
Repeating the process for the right subtree:
  Root: C
  Pre-order left subtree: G, J, K, N
  Post-order left subtree: J, N, K, G
  Pre-order right subtree: None
  Post-order right subtree: None
Continuing this process for each subtree, you will reconstruct the original tree.

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Answer:

1600 mL

Step-by-step explanation:

if 1L = 1000mL then:

2.8L is equal to 2800mL

2800 - 1200 = 1600

For the entire independent-measures experiment 24 individuals are participated.

Different participants are utilized in each condition of the independent variable in an experimental design known as an independent measures design, or between-groups. This indicates that a different group of participants is present for each condition of the experiment. A research strategy known as an independent measures design uses numerous experimental groups with subjects only being assigned to one group. Throughout the experiment, each participant is solely exposed to one independent variable condition. A drug trial for a novel medicine would serve as an example. This has the benefit of preventing order effects, which occur when participants behave differently as a result of the order in which conditions are done, often as a result of factors like boredom or exhaustion.

We are given the value  t(22) = 5.30, p < .01

So here degree of freedom (df) is 22 and it is independent so there is two samples,

so df= n₁+n₂-2

⇒ 22 =  n₁+n₂-2

⇒ n₁+n₂ = 24.

Thus for the entire experiment 24 individuals are participated.

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Answer:

i think its 1/16

Step-by-step explanation:

The expected number of light bulbs that would be expected to last between 1620 hours and 1920 hours, to the nearest whole number, is 459.Given the mean is 1800 hours and the standard deviation is 95 hours, the amount of time a certain brand of light bulb lasts is normally distributed.

We need to find out how many light bulbs out of 530 freshly installed light bulbs in a new large building would be expected to last between 1620 hours and 1920 hours, to the nearest whole number.According to the empirical rule, approximately 68% of the observations fall within one standard deviation of the mean, and 95% fall within two standard deviations.

Since the light bulb's lifespan is normally distributed, we can utilize the empirical rule to find the number of light bulbs expected to last between 1620 and 1920 hours.We first determine the z-score of both 1620 hours and 1920 hours. z = (x - μ) / σWhere, x = 1620 hours, μ = 1800 hours, σ = 95 hours.

Therefore, z = (1620 - 1800) / 95 = -1.89.For 1920 hours,z = (1920 - 1800) / 95 = 1.26.Now, we find the area under the curve between these two z-scores using the standard normal distribution table.

Using the standard normal distribution table, we get the area as follows:Z-value 0.10 0.11 0.12 ... 1.26.Area 0.5398 0.5371 0.5344 ... 0.8962Z-value -1.89 -1.90 -1.91 ... -3.99.Area 0.0294 0.0293 0.0292 ... 0.0001.Therefore, the area between z = -1.89 and z = 1.26 is: 0.8962 - 0.0294 = 0.8668.

Thus, the percentage of light bulbs expected to last between 1620 and 1920 hours is 86.68%.Finally, we calculate the number of light bulbs that would be expected to last between 1620 hours and 1920 hours, to the nearest whole number.

Out of 530 light bulbs, 86.68% is expected to last between 1620 hours and 1920 hours.Therefore, the expected number of light bulbs that will last between 1620 hours and 1920 hours is given by:Number of light bulbs = (86.68 / 100) x 530 = 459 (to the nearest whole number).

Thus, the expected number of light bulbs that would be expected to last between 1620 hours and 1920 hours, to the nearest whole number, is 459.

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Answer:x=18

Step-by-step explanation:

x=\frac{36}{2}

The specific steps for using a travel time are determining your starting point and destination, choose the mode of transportation, set any relevant parameters, review the results, adjust your plans if necessary.

Determine your starting point and destination: Enter the starting point and destination of your trip, typically using either the addresses or the names of the locations.

Choose the mode of transportation: Select the mode of transportation you plan to use for your trip, such as driving, walking, biking, or using public transit.

Set any relevant parameters: Depending on the travel time calculator you are using, there may be additional parameters you can set, such as the time of day you plan to travel or any stops you plan to make along the way.

Review the results: After entering the necessary information, the travel time calculator should provide you with an estimate of the travel time for your trip, as well as any additional information such as the distance traveled, estimated fuel cost, or suggested routes.

Adjust your plans if necessary: If the estimated travel time is longer than you expected or if there are any unexpected delays or road closures, you may need to adjust your plans accordingly.

Overall, a travel time calculator can be a useful tool for estimating travel times and planning your trip.

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Answer:

7

Step-by-step explanation:

7+3=10

Answer:

No because the a and b lengths are too big and the c length is too small

Step-by-step explanation:

a^2 + b^2 = c^2

5^2 + 7.5^2 = 2.5^2

25 + 56.25 = 6.25

Answer:

type b balls

Step-by-step explanation:

Answer:

b balls

Step-by-step explanation:

your mom

We have the following: