HELP!!!!! Find the percent of change. Round to the nearest tenth, if necessary.

Sarah started her diet on January 1st at 198 pounds. By the end of the year, she weighed 112 pounds.

Answer:

1. 68

2. 22

3. 9

4. 7

Step-by-step explanation:

hahsidijdkejeje

Answer:

for number one it is 6

for number two it is 48

Step-by-step explanation:

please mark brainliest

Answer:

Step-by-step explanation:

1. 3 · 2 (First power) = 3 · 2 = 6

2. 3 · 2 (Fourth power) = 3 · 16 = 48

The sum of all the angles that are labeled in the given vertex is 294°

In a single vertex, the three angles around the vertex are given as 55°, 64°, and 175°

We have to find the sum of all the angles that are labeled in the given single vertex.

A vertex is a point two or more lines meets.

It is the corner of a geometrical shape.

Example:

A square has 4 corners so it has 4 vertexes.

A cube has 8 corners so it has 8 vertexes.

We will add all the different angles in the single vertex as shown in the figure below.

Let,

Angle A = 55°

Angle B = 64°

Angle C = 175°

The sum of all the angles that are labeled is:

= Angle A + Angle B + Angle C

= 55° + 64° + 175°

= 294°

The sum of all the angles that are labeled in the given vertex is 294°

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The APR, or stated rate, is calculated as the annualized interest rate expressed as a percentage.

The APR, or stated rate, represents the annualized interest rate on a loan or investment, expressed as a percentage.

To calculate the APR, we need to consider the nominal interest rate and the compounding frequency. The formula to calculate the APR is:

APR = (1 + nominal interest rate/compounding periods)^(compounding periods) - 1

The nominal interest rate is the stated rate without taking compounding into account.

The compounding periods refer to the number of times interest is compounded in a year, typically based on daily, monthly, or quarterly periods.

By applying the formula and considering the appropriate compounding periods, we can determine the APR.

The APR is an important metric as it allows for easy comparison of interest rates across different financial products.

It helps consumers and investors understand the true cost or yield associated with a loan or investment and enables them to make informed decisions.

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Answer:

arc axb=4.938

Step-by-step explanation:

to find the  measure of arc AXB find angle P first

length of the arc=rФ

in triangle APQ sin angle APQ= opp/hyp=AQ(radius)/PQ=5/√5+√21

in traingle PQB sin angle BPQ= opp/hyp.=5/√5+√21

angle P"

2arcsin 5/√5+√21= 94.324 degrees=(π*94.324)/180=1.64626 rad.

arc AXB=Фr (Ф=94.324 , r=3)

arc axb=4.938

The probability that more than 70% of the 100 tosses result in "heads" is approximately 0.239.

To solve this problem, we can approximate the number of "heads" in 100 tosses using a normal distribution. Let's denote the probability of getting a "heads" as p. We are given that p = 2/3.

The number of "heads" in 100 tosses follows a binomial distribution with parameters n = 100 (number of trials) and p = 2/3 (probability of success). In order to use the normal approximation, we need to verify that both n*p and n*(1-p) are greater than or equal to 10. In this case, n*p = 100 * (2/3) = 200/3 ≈ 66.67 and n*(1-p) = 100 * (1/3) = 100/3 ≈ 33.33. Both values are greater than 10, so the normal approximation is reasonable.

To calculate the probability that more than 70% of the 100 tosses result in "heads," we need to find the probability that the number of "heads" is greater than or equal to 70. We can use the normal approximation to estimate this probability.

First, we need to standardize the value 70. We calculate the z-score as:

z = (70 - np) /sqrt(np(1-p))

Substituting the values, we have:

z = (70 - (100 * (2/3))) / sqrt((100 * (2/3) * (1 - (2/3))))

Simplifying:

z = -10 / sqrt(200/9)

Next, we consult the z-table to find the probability associated with the z-score. From the provided options, we need to find the closest probability to the z-score calculated.

Looking up the z-score in the z-table, we find that the probability associated with it is approximately 0.239.

Therefore, the probability that more than 70% of the 100 tosses result in "heads" is approximately 0.239.

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Jon's semi-final jump compared with Anthony's was 3 inches lower. This was based on the heights given.

Given that Jon's jump was 1 inch short of the required height, yet Anthony was his friend

reached the necessary height by 2 inches.

In this instance, subtracting the values will yield the difference in the jump. It will be demonstrated by:

= Anthony's jump - Jon's jump

= 2 - (-1)

= 2 + 1

= 3

Therefore, Jon was 3 inches lower.

Jon's semi-final jump compared with Anthony's was 3 inches lower. This was based on the heights given.

A mathematical statement known as an equation is made up of two expressions joined together by the equal sign. A formula would be 3x - 5 = 16, for instance. When this equation is solved, we discover that the value of the variable x is 7.

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The following statements are true:

Line AB and line CG are parallel.

Line CG and line RS are perpendicular.

Line segment CG lies in plane X.

What is a line segment?

A line segment is a section of a straight line that is enclosed by two clearly defined endpoints and contains every point on the line located within. The Euclidean distance between two ends of a line segment determines its length.

Here, we have

Given: Planes X and Y intersect at a right angle. Line A B and Line C G lie in plane X and do not intersect. Line R S lies in plane Y.

A) Line AB and Line CG are parallel: As both lines, AB and CG lie in plane X. Thus both are parallel and option A is the correct option.

B) Line AB and Line RS are parallel: As a line, AB lies in plane X and line RS lies in plane Y. Thus both are perpendicular and not parallel. Option B is the incorrect option.

C)Line CG and Line RS are perpendiculars: As line CG lies in plane x and line RS lies in plane Y. Thus both are perpendicular. Option C is the correct option.

D) Line AB and Line RS must intersect: line RS passes from the middle of plane Y and line AB passes from the left of plane X center. Thus they do not intersect each other. Option D is the incorrect option.

E) Line segment CG lies in plane X: As shown in the diagram, line CG lies in plane X. Thus option E is the correct option.

F) Line segment RS lies in plane X: As shown in the diagram, and the line lies RS in plane Y. Thus option F is the incorrect option.

Hence, The following statements are true:

Line AB and line CG are parallel.

Line CG and line RS are perpendicular.

Line segment CG lies in plane X.

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Answer:

2 months

Step-by-step explanation:

To solve this equation create an expression for the cost of each club. Use the slope-intercept form of y=mx+b where m is the monthly fee and b is the flat fee. So the 2 expressions would be A) 29x+14 and B) 22x+28. Since we want to find when these are equal, set the expressions equal to each other. This gives the equation 29x+14=22x+28. Then, solve for x.

When solved, x=2. This means that after 2 months the cost of each will be the same.

8 1/2

5 + 3 = 8  1/3+ 1/6 = 3/6  8 3/6 = 8 1/2

dec form = 8.5

1/3 = 2/6

Consider the prime factorization of 20!.

\(20! = 20 \times 19 \times 18 \times \cdots \times 3 \times 2 \times 1\)

The LCM of 1, 2, ..., 20 must contain all the primes less than 20 in its factorization, so

\(M = 2 \times 3 \times 5 \times 7 \times 11 \times 13 \times 17 \times 19 \times m\)

where \(m\) is some integer not divisible by any of these primes.

Compare the factorizations of the remaining divisors of 20!, and check off any whose factorizations are already contained in the product of primes above.

\(4 = 2^2\) - missing a factor of 2

\(6 = 2\times3\) - ✓

\(8 = 2^3\) - missing a factor of 2²

\(9 = 3^2\) - missing a factor of 3

\(10 = 2\times5\) - ✓

\(12 = 2^2\times3\) - missing a factor of 2

\(14 = 2\times7\) - ✓

\(15 = 3\times5\) - ✓

\(16 = 2^4\) - missing a factor of 2³

\(18 = 2\times3^2\) - missing a factor of 3

\(20 = 2^2\times5\) - missing a factor of 2

From the divisors marked "missing", we add the necessary missing factors to the factorization of \(M\), so that

\(M = 2 \times 3 \times 5 \times 7 \times 11 \times 13 \times 17 \times 19 \times 2^3 \times 3\)

Then the LCM of 1, 2, 3, …, 20 is

\(M = 2^4 \times 3^2 \times 5 \times7 \times 11 \times 13 \times17 \times 19\)

\(\implies \boxed{M = 232,792,560}\)

Answer:

The answer is $6

Step-by-step explanation:

95-9=86

8x10=80

86-80=6

Answer:

6$

Step-by-step explanation:

Based on the information on the graph, it can be inferred that the correct equation is y = 0.8x - 0.3, because if we replace the value of x with the different values shown on the graph, the position of the point coincides.

To identify the correct equation we must analyze the information in the graph. Once we analyze this information we can find the correct equation.

However, one way to check which is the correct equation is by substituting the value of x in all the equations until you find the one that gives a result with the correct values. According to this procedure, the correct option would be option B, as shown below:

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The number of winners that Heather can expect is 300.

The first step is to determine the total number of winners to the total number of players using the information in the table.

Ratio = 180 / 450 = 0.40

Number of winners if there are 750 players = 0.40 x 750 = 300 winners

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In probability theory, a Venn diagram is a diagrammatic representation of sets that shows all possible logical relations between them. Venn diagrams are widely used in probability and statistics to visualize the relationship between different sets of data.

The given Venn diagram shows the relationship between three sets, A, B, and C. In order to calculate probabilities using a Venn diagram, we need to know the number of elements or members in each set, as well as any overlapping regions.

We can then use these numbers to calculate the probability of different outcomes.Let's consider two possible probabilities from the given Venn diagram:1.

The probability that an element is in set A and set B but not in set C is 0.1/0.5 = 0.22. The probability that an element is in set B or set C but not in set A is 0.2/0.6 = 1/3The first probability can be calculated by dividing the number of elements in the overlapping region of sets A and B (which is 0.1) by the total number of elements in set B (which is 0.5).

This gives us a probability of 0.22 or 22%.The second probability can be calculated by dividing the number of elements in the union of sets B and C (which is 0.2) by the total number of elements in either set B or set C (which is 0.6). This gives us a probability of 1/3 or approximately 33%.

Therefore, the correct probabilities are:1.

The probability that an element is in set A and set B but not in set C is 0.1/0.5 = 0.22.

The probability that an element is in set B or set C but not in set A is 0.2/0.6 = 1/3

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The  preservation/list school, led by naturalist John muir, wanted wilderness areas on some public lands to be left untouched.

A naturalist lifestyle is a term that connote that a person is making or developing values that makes or forms empathy and caring in regards to nature.

Therefore, The  preservation/list school, led by naturalist John muir, wanted wilderness areas on some public lands to be left untouched.

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The boys in the class that wear glae are 6 people.

The boys in the class that wear glae can be calculated as follows:

First we should calculate how many boys there are in the class. We can calculate it by multiplying the percent of the boys to the total students.

Boys in the class = \(\frac{20}{100} X 50\) = 10 people.

Thus, we can calculate the boys who wear the glae by multiplying the percent of the boys wearing glae of the boys in the class.

Boys wear glae = \(\frac{60}{100} X 10\) = 6 people.

Hence, The boys in the class that wear glae are 6 people.

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Answer:

√2

Step-by-step explanation:

(3x^2 + 4x - 8) - (-2x^2 + 4x + 2)​

3x^2+4x-8+2x^2-4x-2

5X^2-10

5x^2=10

X^2=10/5

X^2=2

X=√2

So the value of X is √2

Answer:

5x^2-10 or5(x^2-2)

Step-by-step explanation:

combining like terms

Answer:

15

Step-by-step explanation:

E is 10 plus the 5

Answer:

The third graph is precise

Step-by-step explanation:

-2 > n ≥ 4

n<-2 or n≥4 compound inequality is represented in the third graph.

Graph is a mathematical representation of a network and it describes the relationship between lines and points.

The given inequality is n<-2 or n≥4

The third number line represents the inequality  n<-2 or n≥4.

The open circle at -2 indicates that n is not included in the solution set, since the inequality is strict.

The closed circle at 4 indicates that n is included in the solution set, since the inequality is not strict.

Hence, n<-2 or n≥4 compound inequality is represented in the third graph.

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To find the quadratic function in vertex form that satisfies the given conditions, we can start with the general vertex form equation:

f(x) = a(x - h)^2 + k

Where (h, k) represents the vertex of the parabola. Given that the vertex is (4, -10), we can substitute these values into the equation:

f(x) = a(x - 4)^2 - 10

Now, let's use the additional point (-1, 5) to find the value of 'a.' Substituting these values into the equation, we get:

5 = a(-1 - 4)^2 - 10

Simplifying further:

5 = 25a - 10

Adding 10 to both sides:

15 = 25a

Dividing by 25:

a = 15/25

Simplifying:

a = 3/5

Now that we have the value of 'a,' we can substitute it back into the equation to obtain the final quadratic function in vertex form:

f(x) = (3/5)(x - 4)^2 - 10

Therefore, the quadratic function with a vertex at (4, -10) and passing through the point (-1, 5) is:

f(x) = (3/5)(x - 4)^2 - 10\(\)

The weekly unemployment compensation for the for the first two quarters of the year is $751.06 .

First quarter revenue(January , February , March) =  $19,574

Second quarter revenue(April, May, and June,) = $21,974

Total Profit made in the two quarters of 6 months

= $ 19,574 +  $ 21,974

= $ 41,548

Total quarterly wage = Total mount / 26 = 41548 / 26  = $ 1598

Weekly unemployment amount = 47% of $1598 = $751.06

Hence the weekly total unemployment amount is $751.06 .

Unemployment benefits, also known the unemployment insurance, unemployment payment, unemployment payments, or simply unemployment, are payments paid to unemployed persons by authorized agencies.

In the US, benefits are funded through a required government insurance program rather than by individual citizen taxes. Depending on the jurisdiction and indeed the individual, those sums might be negligible, only covering the most basic needs, or they might make up for lost time proportionate to the preceding earned pay.

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Answer:

The Latin dance club needs to raise $178.50 to buy costumes. The club has already raised $35.70, so they need to raise $178.50 - $35.70 = $142.80 more. If each person raises the same amount, then each person needs to raise $142.80 / 7 = $20.40.

Therefore, the inequality that shows how much money each of the 7 club members needs to raise is:  m > $20.40

Step-by-step explanation:

To create a stemplot, we first need to separate the data into "stems" and "leaves." Each stem represents the first digit(s) of each data point, while each leaf represents the last digit(s). For example, if the data point is 12.3, the stem would be 12 and the leaf would be 3.

To make a stemplot, the data should be arranged in increasing order, and then separated into stems and leaves.

However, you can use the data given and arrange it in increasing order and separate it into stems and leaves to make a stemplot. A stemplot is a good way to check if the data follow a normal distribution quite closely, the more the data is spread out and the more symmetric it is, the more likely it is to follow a normal distribution.

Also, it is important to mention that from the given data, it is not possible to conclude if the percent change in this population has standard deviation of 2.5%. This parameter can only be estimated from a sample if it follows a normal distribution which is not clear from the given data.

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The equation 1 + 4 + 9 + ... + n² = n(n + 1)(2n + 1) / 6 is proven by mathematical induction.

We have,

To prove the equation 1 + 4 + 9 + ... + n² = n(n + 1)(2n + 1) / 6 using mathematical induction,

We will follow the three steps of mathematical induction:

The base case, the induction hypothesis, and the inductive step.

Step 1: Base case

Let's start by checking if the equation holds true for the base case, which is n = 1.

When n = 1, the left-hand side (LHS) is 1² = 1, and the right-hand side (RHS) is 1(1 + 1)(2(1) + 1) / 6 = 1.

Since LHS = RHS for the base case, the equation holds true.

Step 2: Induction hypothesis

Assume the equation holds true for some positive integer k, where k ≥ 1. This is our induction hypothesis:

1 + 4 + 9 + ... + k² = k(k + 1)(2k + 1) / 6

Step 3: Inductive step

We need to prove that if the equation holds true for k, it also holds true for k + 1.

Starting with the left-hand side of the equation, we add (k + 1)² to both sides:

1 + 4 + 9 + ... + k² + (k + 1)² = k(k + 1)(2k + 1) / 6 + (k + 1)²

Simplifying the right-hand side:

= [k(k + 1)(2k + 1) + 6(k + 1)²] / 6

= [(2k³ + 3k² + k) + (6k² + 12k + 6)] / 6

= (2k³ + 9k² + 13k + 6) / 6

= [(k + 1)(k + 2)(2k + 3)] / 6

We can see that the right-hand side is now in the form

(k + 1)((k + 1) + 1)(2(k + 1) + 1) / 6, which matches the equation for k + 1.

Since the equation holds true for k implies it holds true for k + 1, and the base case is true, we have proven the equation using mathematical induction.

Therefore,

The equation 1 + 4 + 9 + ... + n² = n(n + 1)(2n + 1) / 6 is proven by mathematical induction.

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Answer:

I would use a proportion for each ingredient:

Cup sugar

4:10=½:x (10×½)÷4= 1,25 cup sugar

Cup brown sugar:

4:10=¼:x (10×¼)÷4= 0.625 cup brown sugar

Peanut butter

4:10=⅔:x (10×⅔)÷4= 1,65 cup peanut butter

Cup oats

2×¼ = ½

4:10=½:x (10×½)÷4= 1,25 cup oats

Cup milk

4:10=¾:x (10×¾)÷4= 1,875 cup milk

Tsp salt

4:10=1:x (10×1)÷4= 2,5 tsp salt

2 tbsp cocoa

4:10=2:x (10×2)÷4= 5 tbsp cocoa

1 tsp vanilla

4:10=1:x (10×1)÷4= 2,5 tsp vanilla

2 eggs

4:10=2:x (10×2)÷4= 5 eggs

3 cups flour

4:10=3:x (10×3)÷4= 7,5 cups flour

12 oz nuts

4:10=12:x (10×12)÷4= 30 oz nuts

anser: ange(1,10,2) - 1 to 9 with a gap of 2 numbers each so it yields - 1,3,5,7,9 2. [-2,-4,-6,-8,-10] - range(-2,-11,-2) 3. (i) range(4,20)[2:5] - Generates the list of number…

example: What sequence of numbers is equivalent to the given ranges?

range(1,10,2)

2.Express the following as a range.

[-2,-4,-6,-8,-10]

3.What do each of these expressions yield?

(1) range(4,20)[2:5] (2) list(range(10,60,4)[-2:1:-4] (3) range(3,12,4)[2]

(4) range(0,9,2)[:] (5) range(2,20)[-2:-10:-1] (6) range(3,18,2)[::2]

(7) range(1,33,6)[1::2] (8)range(-5,20,3)[-8:5:2]

Answer:

It would be number three (0,1,2,3)

Step-by-step explanation:

h-'(x) would be the inverse of the function so the domain would be swapped with the range so the range set would now be the domain set.

Step-by-step explanation:

use the conversation factor, 1mile equals 1.609km