In isosceles triangle ABC, AB=AC.If B=55, calculate A​

Answer: B

Explanation:

Let's simplify step-by-step.

4(x+7)−7x+2

Distribute:

=(4)(x)+(4)(7)+−7x+2

=4x+28+−7x+2

Combine Like Terms:

=4x+28+−7x+2

=(4x+−7x)+(28+2)

=−3x+30

Answer:

=−3x+30

Answer:

This needs a graph

Step-by-step explanation:

do you have a graph there

Answer:

2x+y≥32

2x-y≤16

10≤y≤20

x≥0

Answer:

see below

Step-by-step explanation:

1. (x² - 4x - 10) + (x² - 9x + 3)

=  x² - 4x - 10 + x² - 9x + 3

=  x² + x² - 4x - 9x + 3 - 10

4. (3x² - x + 1) + (15 - 9x - 2x²)

=  3x² - x + 1 + 15 - 9x - 2x²

= 3x² - 2x² - x - 9x + 1 + 15

7.  (6 - 2x + 7x²) - (10x - 3 + 3x²)

=   6 - 2x + 7x² - 10x + 3 - 3x²

=  7x² - 3x² - 2x - 10x + 6 + 3

Answer:

$54.01

Step-by-step explanation:

All you have to do is $300.00-$245.99 .

Solving a quadratic equation, it is found that the largest possible value of a is of a = 5.

A quadratic equation is modeled by the following rule:

y = ax^2 + bx + c

The solutions of the equations are the values of x for which y = 0.

For this problem, the equation is:

a² - 6a - 9 = b.

b = -9 - a, hence we replace in the equation as follows;

a² - 6a - 9 = -9 - a

a² - 5a = 0.

Traditionally, the solutions are given using Bhaskara's formula, however, since the coefficient c is zero, we can solve the equation by elimination as follows:

a² - 5a = 0.

a(a - 5) = 0.

Then the solutions are:

5 > 0, hence the largest possible value of a is of a = 5.

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The correct description of Standard deviation is option A: the standard deviation of all samples of size.

Standard deviation is a measure of the dispersion of a set of data from its mean. It provides information about how spread out the data is from the average value. It is calculated by finding the square root of the variance, which is the average of the squared differences from the mean. Standard deviation is used in various fields like finance, physics, and statistics. It is important to note that the larger the standard deviation, the more spread out the data is and the more diverse the samples are. Therefore, it is a useful tool in understanding the variability of data.

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In a pair of similar triangles, the corresponding sides are proportional. ... When the sides are corresponding it means to go from one triangle to another you can multiply each side by the same number. In the diagram of similar triangles the corresponding sides are the same color.

( if this is wrong I apologize)

The inequality can be used to find a possible length x of the shop in feet is 2x + 2(x - 20) > 70. So option C is the correct answer.

Let's break down the given information:

Simplifying this inequality, we get:

2x + 4x - 40 > 70

6x - 40 > 70

6x > 110

x > 110/6

x > 18.33

Therefore, the correct inequality is 2x + 2(x - 20) > 70. The correct option is C.

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Answer:

a=18

Step-by-step explanation:

-2a-10+a=-28

-1a-10=-28

+10 +10

-1a=-18

divide by -1

a=18

Answer:

12

Step-by-step explanation:

3+5=8

32÷8=4

3×4=12

Answer:

12

Step-by-step explanation:

3+5=8

32÷8=4

3×4=12

Answer:

I disagree.............................................................................

Step-by-step explanation:

The difference between consecutive first and second integers is increased by 1 thus the next number 19 - x = 5 → x = 14.

A pattern is a specific arrangement of numbers or any term which will follow a specific code or hint.

For example 2,4,6,8 in this, the difference between any two-term is only 2 and this will be its specific pattern.

As per the given pattern,29, 28, 26, 23, 19

29 - 28 = 1

28 - 26 = 2

26 - 23 = 3

23 - 19 = 4

Since the difference is increasing by 1

So the difference of 19 and the next number (x) will be 4 + 1 = 5.

19 - x = 5

x = 14

Hence "The difference between consecutive first and second integers is increased by 1 thus the next number 19 - x = 5 → x = 14".

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Based on the data, the most reasonable estimate for the number of Gamin Middle School athletes whose favorite sport is hockey include the following: 4. 92.

In Mathematics, a bar graph is sometimes referred to as a bar chart and it simply refers to a type of graph that is used for the graphical representation of a population (data set), especially through the use of rectangular bars and vertical columns.

In order to determine the most reasonable estimate for the number of athletes whose favorite sport is hockey, we would have to multiply the total population size by the proportion of athletes (sample proportion) whose favorite sport is hockey:

Estimate =  Population size × Sample proportion.

Estimate = 414 × 10/45

Estimate = 92 athletes.

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Complete Question:

A group of randomly selected Gamin Middle School athletes was asked to pick their favorite sport. The bar graph below shows the results of the survey. There are 414 athletes at Gamin Middle School.

Based on the data, what is the most reasonable estimate for the number of Gamin Middle School athletes whose favorite sport is hockey?

Choose 1 answer:

1. 65

2. 74

3. 83

4. 92

Answer:

Step-by-step explanation: it is

d. Expected life in years of the depreciable asset. The acceptable way to express the useful life of a depreciable asset is in terms of the expected life in years.

The useful life refers to the period of time over which the asset is expected to contribute to the revenue-generating activities of a business.

While options a, b, and c may be relevant factors for certain specific assets (such as units produced, hours of productivity, or miles driven), they do not encompass the overall concept of useful life. Useful life is a broader measure that takes into account the anticipated duration of productive use, regardless of specific output or activity metrics.

Expressing the useful life in years provides a common standard for comparison and allows for consistency in depreciation calculations and financial reporting. It is a practical and widely accepted approach to estimating the lifespan of a depreciable asset.

It is worth noting that the estimated useful life in years may vary depending on the nature of the asset and industry practices. It is typically determined based on factors such as technological advancements, physical wear and tear, economic obsolescence, and the intended purpose of the asset.

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Answer:

1. m=4/9

2.m=-26/7

3.m=0

Step-by-step explanation:

Formula: Y=mx+b

1.y = 4 /9 x − 25 /9

2.y = − 26 /7 x + 452 /7

3.y=17

✨Hope this helps!✨

The relationship between the volume of a gas and the pressure on the gas is described by the equation V ∝ 1/P, where V is the volume and P is the pressure. This equation means that the volume and pressure of a gas are inversely proportional, so if the pressure increases, the volume will decrease and vice versa.

To find the volume of the gas when the pressure is increased from 66 pounds per square inch to 77 pounds per square inch, you can use the formula for inverse proportionality to solve for the new volume:

V1/V2 = P2/P1

Plugging in the known values, you get:

V1/V2 = 77 pounds per square inch / 66 pounds per square inch

= 1.16

Rearranging the equation to solve for V2, you get:

V2 = V1 * (P1/P2)

= 329329 cubic inches * (66 pounds per square inch / 77 pounds per square inch)

= 329329 cubic inches * (0.86)

= 283590 cubic inches

Rounding this volume to the nearest integer, the volume of the gas when the pressure is increased to 77 pounds per square inch is approximately 283,590 cubic inches.

since r is so widely used, it is appropriate to calculate r for nonlinear data: False.

The calculation of r (Pearson's correlation coefficient) is based on the assumption that the relationship between the two variables is linear. Therefore, it is not appropriate to calculate r for nonlinear data as it may give misleading results.

In summary, it is not appropriate to calculate r for nonlinear data as it assumes a linear relationship between the variables. Other methods such as Spearman's rank correlation or Kendall's tau may be used for nonlinear data.


n: The correlation coefficient 'r' is specifically designed to measure the strength and direction of a linear relationship between two variables. While it is widely used, calculating 'r' for nonlinear data is not appropriate, as it will not accurately capture the true nature of the relationship between the variables.

When dealing with nonlinear data, it is better to use other statistical methods designed for such data, rather than relying on the correlation coefficient 'r'.

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As per the unitary method, there are 64.29 weeks does it take to empty the lake.

The term unitary method is known as a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.

Here we have given that officials begin to release water from a full man-made lake at a rate that would empty the lake in 12 weeks, but a river that can fill the lake in 25 weeks is replenishing the lake at the same time.

And we need to find the number of weeks does it take to empty the lake

While we looking into the given question, we have identified the following values,

=> Empty rate = 1/18 job/week

=> Fill rate = 1/25 job/week

Then together rate is written as 1/x

Then the equation of the given situation is written as,

=> rate - rate = together rate

When we apply the values, then we get,

=> 1/18 - 1/25 = 1/x

Now we have to multiply thru by 18*25x, then we get,

=> 25x - 18x = 18*25

=> 7x = 18*25

Therefore, x = 64.29 weeks.

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Answer:

\(13.51\ \text{s}\)

Step-by-step explanation:

\(s\) = Average speed of Sandra = \(7.4\ \text{m/s}\)

\(d\) = Distance Sandra ran = \(100\ \text{m}\)

Time is given by

\(t=\dfrac{d}{s}\)

\(\Rightarrow t=\dfrac{100}{7.4}\)

\(\Rightarrow t=13.51\ \text{s}\)

The time it takes Sandra to run the given distance is \(13.51\ \text{s}\).

Answer:

if CB is 13 and BF is 9 than 13+9=22.So DF must be 22 too. If EF is 7 than 22-7=15 and DE is 15

Answer:

4

Step-by-step explanation:

The 95% confidence interval estimate for the percentage of all adults who want to lose weight is between 48% and 54%

The given information states that a Gallup Poll found 51% of the sample participants responded "yes" when asked if they would like to lose weight. The margin of sampling error is ±3% at a 95% confidence level.

To calculate the 95% confidence interval estimate for the percentage of all adults who want to lose weight, you simply add and subtract the margin of error from the sample percentage.

Lower limit: 51% - 3% = 48%
Upper limit: 51% + 3% = 54%

Therefore, the 95% confidence interval estimate for the percentage of all adults who want to lose weight is between 48% and 54%. This means that if this poll were repeated multiple times under the same conditions, in 95 out of 100 instances, the true percentage of all adults who want to lose weight would fall within this range.

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Answer:

12 = 7 + 2 + 3

Step-by-step explanation:

porque 7 mas 3 son 10 y 10 mas 2 son 12

The equation of the translated function is:

g(x) = (x + 3)^2 - 2

We can see that the blue graph is a translation of the red one, where the equation for the red graph is:

f(x) = x^2

Remember that the translations are:

Horizontal translation:

For a general function f(x), a horizontal translation of N units is written as:

g(x) = f(x + N).

If N is positive, the shift is to the left.

If N is negative, the shift is to the right.

Vertical translation:

For a general function f(x), a vertical translation of N units is written as:

g(x) = f(x) + N.

If N is positive, the shift is upwards.

If N is negative, the shift is downwards.

By analyzing the vertices, we can see that the vertex of the blue graph is at (-3, -2) so we have a translation of 3 units to the left and 2 units down, meaning that we have:

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

So the correct option is A.

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Answer:

A) \(\frac{13}{20}\)

Step-by-step explanation:

\(\frac{13}{20} = 065 = 65%\)%

\(\frac{65}{1} = 65 = 100%\)%

\(\frac{7}{20} = 035 = 35\)%

\(\frac{13}{2,000} = 0.0065 = 0.0065\)%

Answer:

C. 8\14 can of soda

Step-by-step explanation:

Given the following data;

Number of soda = 8 cans

Number of people = 14 people

To find the number of soda each person gets;

\( Each \; person = \frac {number \; of \; soda}{number \; of \; people} \)

\( Each \; person = \frac {8}{14} \)

Therefore, the fraction of a can of soda each person would receive is 8\14 can of soda.

The value of k is 7.

To find the value of k, we need to determine the upper limit of integration that corresponds to the area under the graph of \(f(x) = 3x^2\) between x=2 and x=k equaling 335.

The area under a curve can be found by evaluating the definite integral of the function over the given interval. In this case, we want to find the value of k that makes the integral equal to 335.

The definite integral of \(f(x) = 3x^2\) between x=2 and x=k can be calculated as follows:

∫[2 to k] \(3x^2\) dx

Using the power rule of integration, we integrate the function with respect to x:

= [\(x^3\)] evaluated from 2 to k

= \(k^3 - 2^3\)

= \(k^3 - 8\)

To find the value of k, we set the integral equal to 335:

\(k^3 - 8 = 335\)

By rearranging the equation and solving for k, we find:

\(k^3\) = 335 + 8

\(k^3\) = 343

k = ∛343

k = 7

Therefore, the value of k that satisfies the equation and makes the area under the graph equal to 335 is k = 7.

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Answer:

If Then proof has been explained below!

Step-by-step explanation:

1.) If segment XY ║ ZW, then the 154° angle ≅ ∠2 (vertical angles)

2.) If segment XY ║ ZW, then ∠2 is complementary to ∠4

3.) If ∠2 is complementary to ∠4, then ∠4 = 28°

I hope this helps! If you have any questions, feel free to add it into the comments and please rate my answer and consider marking as brainliest!

After substituting the given coordinate in the flux equation, the resulting flux dΦ through the patch can be expressed in terms of dA as dΦ = E⋅dA⋅cosθ

Here, E represents the electric field intensity, dA is the area of the patch, and cosθ is the angle between the normal vector of the patch and the electric field lines passing through it.The term dA represents the differential area of the patch and is used to calculate the total flux through the entire surface by integrating over the entire area. This integration process adds up the contributions of all the small patches of the surface.

Therefore, the flux through any small patch of the surface can be calculated using the above equation by substituting the appropriate values of E, dA, and cosθ. This formula is particularly useful in calculating the flux through curved surfaces or irregularly shaped patches.In summary, after substituting the given coordinate, the flux dΦ through the patch can be expressed in terms of dA using the formula dΦ = E⋅dA⋅cosθ, which helps in determining the total flux through the entire surface.

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