find the percent change from 50 to 39

Answer:

Step-by-step explanation:

Answer:

it should be B. welcome!!

Step-by-step explanation:

The values as per similarity of traingles is x=4 and y=10.

Since ABC and DEF are similar triangles, their corresponding sides are proportional.

That is,

AB/DE = AC/EF = BC/DF

Substituting the given values, we get:

9/6 = 18/10 = (4x-1)/y

Simplifying this expression, we can solve for x and y:

9/6 = (4x-1)/y

Cross-multiplying, we get:

27y = 6(4x-1)

27y = 24x - 6

Substituting y = 10/3, we get:

(27)(10/3) = 24x - 6

90 = 24x - 6

96 = 24x

x = 4

Therefore, the value of x is 4.

9/6 = (4x-1)/y

Substituting x = 4, we get:

9/6 = (4(4)-1)/y

9/6 = 15/y

Cross-multiplying, we get:

9y = 90

y = 10

Therefore, the value of y is 10.

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On a surface analysis chart, the solid lines that depict sea level pressure patterns are called isobars.

Isobars are lines connecting points of equal atmospheric pressure at sea level. They provide a visual representation of pressure variations across a geographical area.

Isobars are typically displayed on weather maps to illustrate high and low pressure systems, as well as the strength and location of pressure gradients. High-pressure systems are indicated by circular isobars, while low-pressure systems are depicted by oval or elongated isobars.

By examining the spacing and configuration of isobars, meteorologists can interpret weather patterns and make predictions.

Areas with tightly packed isobars indicate strong pressure gradients, which signify strong winds and potentially severe weather conditions. On the other hand, widely spaced isobars suggest weaker pressure gradients and calmer weather.

Overall, isobars on a surface analysis chart are crucial in understanding and analyzing atmospheric pressure patterns and their implications on weather conditions.

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,

Answer It is called External Conflict. A struggle between two characters or outside force.

Example: character vs character

Example: character vs society

Example: character vs Nature

Character vs Self is an example of Internal Conflict. A struggle a character has within

their mind or height. Their conscience.

The required probability that at least two of Alice's 8 friends have the same birthday is approximately 0.46, or 46%.

We can solve this problem using the concept of complementary probability. That is, we first calculate the probability that none of Alice's 8 friends have the same birthday, and then subtract that from 1 to get the probability that at least two of them have the same birthday.

The probability that the first friend has a unique birthday is 1 (since no one else has had a birthday yet). The probability that the second friend has a unique birthday is \(\frac{364}{365}$\) (since there are 364 days left to choose from out of the 365 days in a non-leap year). Similarly, the probability that the third friend has a unique birthday is \(\frac{363}{365}$\), and so on.

Therefore, the probability that none of the 8 friends have the same birthday is:

\($1 \times \frac{364}{365} \times \frac{363}{365} \times \frac{362}{365} \times \frac{361}{365} \times \frac{360}{365} \times \frac{359}{365} \times \frac{358}{365} \approx 0.54$\)

So, the probability that at least two of the 8 friends have the same birthday is:

1 - 0.54 = 0.46

Therefore, the probability that at least two of Alice's 8 friends have the same birthday is approximately 0.46, or 46%.

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Answer:

x = 9.5

y = 15

Step-by-step explanation:

The sum of angles A and C is equal to 180° because they are supplementary angles:

10x - 22 + 4x + 68 = 180 add like terms

14x + 46 = 180 subtract 46 from both sides

14x = 134 divide both sides by 14

x = 9.5 approximately

The perimeter is calculated by adding all side lengths up:

AB + CD + AD + BC

AB = AC because this is an isosceles trapezoid

20 + 20 + 15 + 40 = 95

CD is equal to 20 so the value of y:

2y - 10 = 20 add 10 to both sides

2y = 30 divide both sides by 2

y = 15

Answer:

  A:  x = 9 4/7

  B:  y = 15

  C:  P = 95 units

Step-by-step explanation:

You want the values of x and y, and the perimeter of the isosceles trapezoid ABCD with AB=20, CD=2y-10, AD=15, BC=40, AD║CB, angle A=10x-22, and angle C=4x+68.

The value of x can be found using the fact that base angles are congruent and the sum of angles on one side of the trapezoid is 180°.

  ∠A +∠C = 180

  (10x -22) +(4x +68) = 180 . . . . . use the given angle expressions

  14x +46 = 180 . . . . . . . . . . . . simplify

  14x = 134 . . . . . . . . . . . . . . subtract 46

  x = 134/14 = 9 4/7 . . . . divide by 14

The value of x is 9 4/7.

Sides of the isosceles trapezoid are congruent

  CD = AB

  2y -10 = 20 . . . . . substitute the given lengths

  2y = 30 . . . . . . add 10

  y = 15 . . . . . divide by 2

The value of y is 15.

The perimeter is the sum of the side lengths.

  P = AB +BC +CD +AD

  P = 20 +40 +20 +15 = 95

The perimeter is 95 units.

__

Additional comment

The expressions for the angles and the value of x are impossible in this figure. For the found value of x, angle A is 73 5/7°, and angle C is 106 2/7°. The angle adjacent to the short base will be obtuse, so these are impossible measures.

For the given side lengths, angle A is 128.7°, and angle C is 51.3° (using trigonometry).

Answer:

immma send you the link friend me on hereStep-by-step explanation:

Answer:

-4

Step-by-step explanation:

To find the slope, you can use the formula y2-y1/x2-x1. Plugin any set of values. Say 13 is y2, and 5 is y1. 13-5=8. We now have 8/x2-x1. You have to use the x-values of the y-values that you already used. -2 is x2 and 0 is x1. -2-0=-2. 8/-2 = -4.

Answer:

its 2/3

my bad

Answer:

p=12c+72  ?

Step-by-step explanation:

i think u just make an equation

Answer: W=20 and L=55

Step-by-step explanation:

2(3w-5)+2(w)=150

6w-10+2w=150

8w-10=150

8w=160

W=20

L= 3(20)-5

=60-5

=55

The measurement closest to the lateral surface area of the cylinder is 138.4 cm².

What is surface area?

The area is the area occupied by a two-dimensional flat surface. It has a square unit of measurement. The surface area of a three-dimensional object is the space taken up by its outer surface. Square units are used to measure it as well.

The lateral surface area of a cylinder can be calculated by multiplying the height of the cylinder by the circumference of its base.

The diameter of the base is given as 5.8 cm, so the radius of the base is half of that, or 2.9 cm.

The circumference of the base can be found using the formula C = 2πr, where r is the radius. So,

C = 2 × π × 2.9 cm = 18.212 cm (rounded to two decimal places)

The lateral surface area is then -

Lateral surface area = height × circumference of base

= 7.6 cm x 18.526 cm

= 138.41 cm² ≈ 138.4 cm²

Therefore, the measurement for lateral surface area is 138.4 square centimeters.

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Answer: The answer is $21.60

Step-by-step explanation:

Answer:

A. $21.60

Step-by-step explanation:

a) P(te < 23) = 0 and (b) P(te < 32) = 4.02 and The probability of 95% that the project will be completed is 16 days.

The probability of an event is a number that indicates the probability of the event occurring. Expressed as a number between 0 and 1 or as a percent sign between 0% and 100%. The more likely an event is to occur, the greater its probability. The probability of an impossible event is 0; the probability of a certain event occurring is 1. The probabilities of two complementary events A and B - either A occurring or B occurring - add up to 1.

According to the Question:

Value of probability 95% = 3

   Z =  Tₐ-Tₙ/σ

⇒ 3 = Tₐ - 10/2

⇒ Tₐ = 16 days.

Therefore, the probability 95 percent that the project will be completed is 16 days.

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The matrix in its reduced row echelon form is:[4, -1 | 2] [0, 1 | 2]

Given the system of equations is:4x - y = 2 and -x + y = 4To solve the given system of equations using the augmented matrix and elementary row operations, we represent the system as a matrix equation of the form AX = B, where A is the coefficient matrix of the variables, X is the matrix of the variables, and B is the constant matrix.

Therefore, we get the matrix as:⇒ [4, -1 | 2] [ -1, 1 | 4]To simplify this matrix into its reduced row echelon form, we perform elementary row operations as follows:R2 → R2 + R1Hence the matrix in its reduced row echelon form is:[4, -1 | 2] [0, 1 | 2]

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Answer:

How?

I don't know

haha

thanks for the points

Answer:

64

Step-by-step explanation:

2x-4y=3

x= (3 +4y)/2

substitute into the main equation

y= 0

x= 3/2

16^x /256^y

16^3/2 ÷ 256^0

√16^3 ÷1

= 64

Answer:

64

Step-by-step explanation:

2x - 4y = 3

2x = 4y + 3

x = 2y + 1.5

\( \dfrac{16^x}{256^y} = \)

\( = \dfrac{16^{2y + 1.5}}{256^y} \)

\( = \dfrac{16^{2y + 1.5}}{16^{2y}} \)

\( = 16^{2y + 1.5 - 2y} \)

\( = 16^\frac{3}{2} \)

\( = 4^3 \)

\( = 64 \)

Answer:

w

Step-by-step explanation:

i think its b

The inequality that can be used to find w, the number of weeks it can take for the shelter to meet its goal, is: w ≥ 10

To find the inequality that can be used to determine the number of weeks it can take for the animal shelter to meet its fundraising goal, we need to consider the total expenses and donations.

Let's break down the expenses and donations:

Expenses:

Annual rental = $2,500

Weekly expenses = $450

Donations:

One-time donation = $125

Pledged donations per week = $680

Let w represent the number of weeks it takes for the shelter to meet its goal.

Total expenses for w weeks = Annual rental + Weekly expenses * w

Total expenses = $2,500 + $450w

Total donations for w weeks = One-time donation + Pledged donations per week * w

Total donations = $125 + $680w

To meet the goal, the total donations must be greater than or equal to the total expenses. Therefore, the inequality is:

Total donations ≥ Total expenses

$125 + $680w ≥ $2,500 + $450w

Simplifying the inequality, we have:

$230w ≥ $2,375

Dividing both sides of the inequality by 230, we get:

w ≥ $2,375 / $230

Rounding the result to the nearest whole number, we have:

w ≥ 10

Therefore, the inequality that can be used to find w, the number of weeks it can take for the shelter to meet its goal, is:

w ≥ 10

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Answer:

it is 1 2/10 but simplified to 1 1/5

Step-by-step explanation:

Answer:

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jjjjStep-by-step explanation:

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Answer:

∠ K = 63°

Step-by-step explanation:

The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

118° is an exterior angle of the triangle , then

4x + 7 + 6x - 9 = 118

10x - 2 = 118 ( add 2 to both sides )

10x = 120 ( divide both sides by 10 )

x = 12

Then

∠ K = 6x - 9 = 6(12) - 9 = 72 - 9 = 63°

Answer:

63 degree

Step-by-step explanation:

6x-9+4x+7=118

10x-2=118

10x=120

x=12

measure of angle k = 6x-9

=6(12)-9

=72-9

=63

Answer:

4

Step-by-step explanation:

Answer:

this don't make any sense bro

Step-by-step explanation:

what is the number in between 2 3

Answer:

46

Step-by-step explanation:

-5(-2-5)-x-1=-12

-5(-7)-x-1=- 12

35 - x - 1 = -12

34 - x = -12

-x = -12 - (-34)

-x = - 46

x = 46

Answer:

\(x=46\)

Step-by-step explanation:

\(-5\left(-2-5\right)-x-1=-12\)

⟹ Subtract -2 and 5 = -7

⟹ Remover parentheses:

\(-\left(-35\right)-x-1=-12\)

⟹ Apply rule: \(-\left(-a\right)=a\)

\(35-x-1=-12\)

⟹ Combine like terms:

⟹ Subtract 34 from both sides:

⟹ Divide both sides by -1:

___________________

       OAmalOHopeO      

___________________

Answer:

3 over 2

Step-by-step explanation:

Answer:

64 square centimeters

Step-by-step explanation:

The surface are of a pyramid is found by finding the sum of the area of the four sides and the base.

Finding the triangular face:

Area of triangle = \(\frac{1}{2} b h\) = \(\frac{1}{2}*4*6 = 12\)

12 * 4 (4 sides) = 48 square cm

Finding the Base = \(w * l = 4 * 4 = 16\)

Finally, we add it together. 48 + 16 = 64

The hypothesis test is left-tailed because the financial analyst wants to test if the proportion of stock portfolios containing high-risk stocks is lower than 0.10.

In other words, they are interested in determining if the proportion is significantly less than the specified value of 0.10. A left-tailed hypothesis test is used when the alternative hypothesis suggests that the parameter of interest is smaller than the hypothesized value. In this case, the alternative hypothesis would be that the proportion of stock portfolios with high-risk stocks is less than 0.10.

By conducting a left-tailed test, the financial analyst is trying to gather evidence to support their claim that their clients have a lower proportion of high-risk stock portfolios. They want to determine if the observed data provides sufficient evidence to conclude that the true proportion is indeed less than 0.10, which would support their claim of a lower proportion of high-risk stocks.

Therefore, a left-tailed hypothesis test is appropriate in this scenario.

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Answer:

Multiple the 1 stick of butter like 1 (1/4) and the answer will solve our problem

Din forget to thank me later