Prove angles XAP+YBP=APB
Help please

Answer:

Absolute Value

Step-by-step explanation:

– The distance a number is from the zero on a number line. (Absolute value is always positive). Acute Angle - An angle with a measure > than 0° and < 90˚. Acute Triangle– A triangle that has all three angles that are acute.

Answer:

-23

Step-by-step explanation:

-21 + 7 is -14
-14 - 9 is -23

With a greater mean value , we can conclude that the sixth period class test was better than the second period .

Second period class:

Mean = (55+70+6*75+6*80+2*85+3*90+95)/20

Mean = 1590/20 = 79.5

Sixth period class:

Mean = (65+3*75+5*80+6*85+3*90+2*95)/20

Mean = 1660/20 = 83

Therefore, From the mean values , we can infer that students performed better in test for the sixth period class than the second .

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Answer:

10 inches²

420 inches²

Step-by-step explanation:

1) Area of a triangular placemat:

= ½ × base × height

= ½ × 5 × 4

= 10 inches²

2)  Total area of the placemat:

= Area of a placemat × Number of triangles

= 10 × 42

= 420 inches²

note: you may need to leave off the pi term if your teacher just wants to know what goes in the green box

======================================================

Work Shown:

C = 2*pi*r

C = 2*r*pi

C = 2*5*pi

C = 10pi

To determine the distance between two points in a rectangular coordinate system, we can use the distance formula. Given the coordinates of the points (4.8, 2.5) and (-3.2, 5.0), we can calculate the distance as follows:

Distance = √((x2 - x1)^2 + (y2 - y1)^2)

Plugging in the values, we get:

Distance = √((-3.2 - 4.8)^2 + (5.0 - 2.5)^2)

Simplifying further:

Distance = √((-8)^2 + (2.5)^2)

Distance = √(64 + 6.25)

Distance = √70.25

Distance ≈ 8.38 centimeters

Therefore, the distance between the points (4.8, 2.5) and (-3.2, 5.0) is approximately 8.38 centimeters.

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The multiple linear regression equation corresponding to macrohard's analysis is y = b0 + b1 * x1 + b2 * x2 + e.

It is given that Macrohard conducted a multiple linear regression analysis to predict the loading time (y) in milliseconds for Macrohard workstation files based on the file size (x1) in kilobytes and the processor speed (x2) in megahertz. The analysis was based on a random sample of 400 Macrohard workstation users, with file sizes ranging from 110 to 5,000 kilobytes and processor speeds ranging from 500 to 4,000 megahertz.

The multiple linear regression equation corresponding to Macrohard's analysis can be written as:

y = b0 + b1 * x1 + b2 * x2 + e

Where:
y is the loading time in milliseconds
x1 is the file size in kilobytes
x2 is the processor speed in megahertz
b0, b1, and b2 are the regression coefficients
e is the error term

These coefficients are estimated based on the sample data and represent the expected change in y for each unit increase in x1 and x2, holding all other variables constant. This equation allows Macrohard to estimate the loading time of a workstation file based on its size and the processor speed. To make predictions using this equation, simply plug in the values for x1 (file size) and x2 (processor speed) and solve for y (loading time).

However, it is important to note that the accuracy of these predictions may be limited by the variability of the data and the assumptions underlying the regression model. Additionally, there may be other factors that influence loading time that were not included in the analysis.

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The probability that our guess is correct is 0.857.

Probability is simply the likelihood of something occurring. When we are uncertain about the result of an event, we might discuss the probabilities of several outcomes—how likely they are.

Explanation in detail:

A Conditional Probability with Biased Coins is used to answer the given question.

Given information:

P(Head | A) = 0.1 and P(Head | B) = 0.6.

We know that P(B) = 0.5 = P(A) by applying Bayes' theorem, because coins A and B are equally likely to be chosen.

P(Head) now equals P(A) P(head | A) + P(B) P(Head | B).

By inserting the value, we obtain P(Head) = 0.5 0.1 + 0.5 0.6 P(Head) = 0.35

When we enter this value into, we obtain Similarly.

As a result, the likelihood of our guess being true is 0.857.

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Answer:

5 pizzas Sorry i may be wrong

Step-by-step explanation:

The inequality that models this situation is given by:

\(7.5 + 14p \leq 60\)

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

\(T = 7.5 + 14p\)

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

\(T \leq 60\)

Since \(T = 7.5 + 14p\), the inequality is:

\(7.5 + 14p \leq 60\)

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Answer:

6 times x+9=8

Step-by-step explanation:

Answer:

6(x+9)=8

Step-by-step explanation:

Answer:

5

Step-by-step explanation:

The ones place is the one most to the right that isn't after a decimal point.

Answer:

5, since it is all the way to the right

Step-by-step explanation:

if you ever have a big number, the number in thes ones place is ALWAYS on the far right, except if its a decimal !

i hope this helps !! :D

Answer:

y = -2x - 4

Step-by-step explanation:

The y intercept is D=300 and the interpretation is the Emily's  distance from City A, t hours after leaving her house is 300.

In analytic geometry,  the general agreement is that the horizontal axis represents the x variable, the vertical axis represents the y variable, and the y-intercept is the point where the graph of the function or relation is tangent at the y axis of the coordinate system  If the y-intercept formula of the line is oblique Intercept  y = mx + c, y=c   where,  m = slope of the line.  c = ordinate at the origin of the line.

The Emily's  distance from City A, t hours after leaving her house is D=300-50t

The slope intercept form of a line is y=mx+ b where m is the slope of the line and also the coefficient of the variable x. b is the y intercept.

We have, the equation D=300-50t

It can be rewritten as D= -50t+300 which is of the form y= mx+ b.

For y intercept we will take t=0

so, D=300

and from here we can conclude that , The Emily's  distance from City A, t hours after leaving her house is 300.

Hence, y intercept is D=300 and the interpretation is the Emily's  distance from City A, t hours after leaving her house is 300.

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A neural network is a complicated set of possibly nonlinear equations. There are at least two degrees to a nonlinear equation.

This means that a variable in the equation can only be raised to the power of two or higher. A linear equation is typically represented as y = mx + c, where x and y are variables, m is the line's slope, and c is a constant. A nonlinear equation is one in which the highest degree of any term is two or greater. Since equation 1 has the highest degree of 2, and equation 2 involves variables x and y, this is an example of a nonlinear equation. + 2x + 1 = 0, 3x + 4y = 5, etc.

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In the given, the average life span for American women in 2000 was approximately 79.1 years.

The given equation for the average life span of American women from 1907 through 2007 is:

W(t) = 49.9 + 17.1 ln(t)

Here, t is measured in 20-year intervals, with t=1 corresponding to 1907.

To find the average life span for American women in a specific year, we need to first determine the corresponding value of t. For example, to find the average life span in 1950, we can use:

t = (1950 - 1907) / 20 + 1 = 3.22

Using this value of t in the equation, we get:

W(3.22) = 49.9 + 17.1 ln(3.22) ≈ 68.5 years

Therefore, the average life span for American women in 1950 was approximately 68.5 years.

Similarly, we can find the average life span for other years by using the corresponding values of t. For example, for the year 2000, we have:

t = (2000 - 1907) / 20 + 1 = 5.65

W(5.65) = 49.9 + 17.1 ln(5.65) ≈ 79.1 years

Therefore, the average life span for American women in 2000 was approximately 79.1 years.

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A congruent polygon refers to two or more polygons that have the same shape and size. There must be an equal number of sides between two polygons for them to be congruent.

Congruent polygons have parallel sides of equal length and parallel angles of similar magnitude. When two polygons are congruent, they can be superimposed on one another using translations, rotations, and reflections without affecting their appearance or dimensions. Concluding about the matching sides, shapes, angles, and other geometric properties of congruent polygons allows us to draw conclusions about them.

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The cosine of angle J is given as follows:

\(\cos{J} = \frac{14\sqrt{2}}{49}\)

The three trigonometric ratios are the sine, the cosine and the tangent of an angle, and they are obtained according to the rules presented as follows:

For the angle J in this problem, we have that:

Hence the cosine of angle J is given as follows:

\(\cos{J} = \frac{4}{\sqrt{98}} \times \frac{\sqrt{98}}{\sqrt{98}}\)

\(\cos{J} = \frac{4\sqrt{98}}{98}\)

\(\cos{J} = \frac{2\sqrt{98}}{49}\)

As 98 = 2 x 49, we have that \(\sqrt{98} = \sqrt{49 \times 2} = 7\sqrt{2}\), hence:

\(\cos{J} = \frac{14\sqrt{2}}{49}\)

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a)

P (gold or silver) is 0.20

b)

P (not gold) is 0.95

c)

P (silver or bronze) is 0.70

It is the chance of an event to occur from a total number of outcomes.

The formula for probability is given as:

Probability = Number of required events / Total number of outcomes.

We have,

Color          gold   silver   bronze  white

Probability 0.05   0.15      0.55     0.25

Now,

The probability that the counter is

a)

P (gold or silver)

= 0.05 + 0.15

= 0.20

b)

P (not gold)

= 1 - 0.05

= 0.95

c)

P (silver or bronze)

= 0.15 + 0.55

= 0.70

Thus,

The probabilities are given above.

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The population of the species that feeds on the mayfly nymphs will not decrease the most if acid causes a decrease in their number.

Acidic substances can have detrimental effects on aquatic ecosystems. They can lead to the death of many species, including mayfly nymphs. This can have a ripple effect on the food chain. Species that feed on the mayfly nymphs will have less food, and their populations may decrease as a result. However, this does not necessarily mean that their population will decrease the most.

There are many factors that can impact the populations of different species in an ecosystem. In this case, the presence of acid is causing a decrease in the number of mayfly nymphs. This can have a variety of effects on other species that depend on mayfly nymphs for food. For example, fish that feed on mayfly nymphs may have less food available, which can lead to a decrease in their population. However, it is not necessarily the case that this species will be the one with the most significant decrease in population. Other species may be more impacted by the decrease in mayfly nymphs than fish. It is also possible that the decrease in mayfly nymphs will have a cascading effect on the ecosystem, impacting many different species in various ways. In conclusion, while the presence of acid can have significant impacts on ecosystems, the specific species that will be most impacted by the decrease in mayfly nymphs is difficult to determine without more information.

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Answer:

78

Step-by-step explanation:

True.

if y is not the zero vector, then there exists a non-zero vector v in the original vector space that is orthogonal to y.

If y is in a subspace W as well as its orthogonal complement Wâ¥, then y is orthogonal to every vector in W as well as every vector in Wâ¥. Since W and W⥠are complements, every vector in the original vector space can be written uniquely as the sum of a vector in W and a vector in Wâ¥. Since y is orthogonal to every vector in W and every vector in Wâ¥, it must be orthogonal to every vector in the original vector space.

Therefore, if y is not the zero vector, then there exists a non-zero vector v in the original vector space that is orthogonal to y. But then v would belong to both W and Wâ¥, which is impossible since W and W⥠are orthogonal complements and their intersection is only the zero vector.

Hence, it follows that if y is in a subspace W as well as its orthogonal complement Wâ¥, then y must be the zero vector.

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Part A: Erica is making friendship bracelets. She has 50 1/2 inches of yarn but needs them to be cut into 1/4 peices. How many pieces can she make?

Part B: 50 1/2 x 4 = 202

(keep change flip)

Part C: I cannot do this as I cannot speak verbal to you here :/ Good luck with this part!

You could do something like (I think?)

"50 1/2 is divided by 1/4 which results in the quotient of 202"

Answer:

A "fair" coin lands heads-up half of the time and "tails-up" half of the time.

For one flip, the probability of landing heads-up is 1/2.

Of those successes, we now consider the probability of the "fair" die landing with an even number on top. This probability is (number of successes) / (total number of possibilities) = 3/6, or 1/2.

So, the probability of both events happening ("and") is 1/2 of 1/2, or (1/2)*(1/2) = 1/4.

Step-by-step explanation:

The probability that coin lands heads-up and the die shows a five is 0.083.

Probability can be defined as the ratio of the number of favorable outcomes to the total number of outcomes of an event.

We know that, probability of an event = Number of favorable outcomes/Total number of outcomes.

Given that, a person flip a coin and then roll a fair six-sided die.

The probability the coin lands heads-up is 1/2

The probability that die shows a five = 1/6

Now, the probability of an event = 1/2 × 1/6

= 1/12

= 0.083

Therefore, the probability that coin lands heads-up and the die shows a five is 0.083.

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Answer:

m = 21

Step-by-step explanation:

12 = 3(m - 17)

12 = 3m - 51 (Found using the distributive property)

63 = 3m (Found by adding 51 to both sides)

21 = m (Found by dividing both sides by 3)

Hope this helps :)

D. The set W would be a subspace of set of real numbers R cubed.

For a set to be considered a vector space, it must satisfy the following conditions:

1. It contains the zero vector (the additive identity).

2. It is closed under vector addition.

3. It is closed under scalar multiplication.

Since the set W is a subset of R cubed, it inherits the properties of R cubed, including the zero vector. Therefore, option C is not true.

Options A and B are not necessarily true for all subsets of R cubed. They may hold for some specific subsets, but they are not general properties that apply to all subsets.

Option D is the correct answer because it states that the set W would be a subspace of R cubed. A subspace is a subset of a vector space that is itself a vector space, satisfying all the properties of a vector space. Since W is a subset of R cubed, it would be a subspace if it satisfies the three conditions mentioned above.

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Answer:

(1, 1)

Step-by-step explanation:

(-8, -5) >> (x1, y1)

(-7, -4) >> (x2, y2)

(y2 - y1)           -4 - (-5) = 1

----------- >>

(x2 - x1)           -7 - (-8) = 1

x always goes first in a coordinate, so:

(1, 1)

Hope this helped ;)

The minimum amount of wrapping paper, needed to cover the package surface area is 174 square inches.

Total surface area = Area of 2 similar trapeziums + Area of rectangles of 4 different rectangles

area of a triangle = 1/2 ×Base×Height and area of a rectangle is Length×Breadth.

= 2×1/2(7+3)×3+8×5+8×3+8×3+8×7

= 174 square inches

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Answer:

18 treats

Step-by-step explanation:

If she gives  2/5  of 30  = 12

so 3/5 of 30 is 18  (also 30-12 =18)

Answer:

=6d+5-2+3d

=9d+3

=3(3d+1)

hope it helps.

Answer:

beb gfnv mor

join fasttttt