This question has two parts. First, answer Part A. Then, answer Part B.

The distance that Makayla travels on her skates varies directly with time as shown in the table.
Write a direct variation equation in the form y = kx to represent this relationship. Express the constant of variation as a decimal.

Answer:

1.66

Step-by-step explanation:

hope this helps

Answer:

3/5 or 0.8

Step-by-step explanation:

3 Cartons, divided by 5 people =

3/5 or 0.8

The perimeter of a square with length of a side given as 2/3g + 1 cm is 8/3g + 1 cm.

Let's call the length of a side of the square "s". According to the information given, s = 2/3g + 1 (in cm).

The perimeter of a square is equal to the sum of the lengths of all four sides, so we can write an expression to represent the perimeter as follows:

P = 4s

Substituting the expression for s from above, we get:

P = 4(2/3g + 1)

So, the expression for the perimeter of the square in terms of g is:

P = 4(2/3g + 1)

Therefore, P = 8/3g + 1.

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Complete question: the length of a square is( 2/3g+1)cm use this information to write an expression to represent the perimeter of the square.

The probability that exactly 16 people out of 25 favor the new building project is 0.1285.

The probability that at most 16 people out of 25 favor the new building project is 0.3528.

The probability that between 12 and 19 (including 12 and 19) people out of 25 favor the new building project is 0.9088.

A binomial distribution is a probability distribution that describes the number of successes in a fixed number of trials, where each trial has two possible outcomes (success or failure) and the trials are independent.

The distribution of x, the number of people who favor the new building project when 25 people are chosen at random, can be modeled using a binomial distribution.

In this case, the probability of success (favoring the new building project) is 0.61, and the probability of failure (not favoring the project) is 0.39. The number of trials is 25, since we are choosing 25 people at random.

Thus, we can write x ~ Bin(25, 0.61), which means that x follows a binomial distribution with 25 trials and a probability of success of 0.61.

To find the probability that exactly 16 people out of 25 favor the new building project, we can use the binomial probability formula:

[tex]P(X = k) = (^n_k) * p^k * (1 - p)^{n - k}[/tex]

where X is the random variable (in this case, the number of people who favor the project), k is the number of successes we are interested in (in this case, 16), n is the number of trials (25), p is the probability of success (0.61), and (n choose k) is the binomial coefficient, which represents the number of ways to choose k successes out of n trials.

Plugging in the values, we get:

P(X = 16) = (25 choose 16) * 0.61¹⁶ * 0.39⁹ = 0.1285

Therefore, the probability that exactly 16 people out of 25 favor the new building project is 0.1285.

To find the probability that at least 16 people out of 25 favor the new building project, we need to add up the probabilities of all the events where the number of successes is 16 or greater. We can do this using the cumulative distribution function (CDF) of the binomial distribution, which gives us the probability of X being less than or equal to a certain value.

Using a calculator or a table, we can find that P(X ≥ 16) = 0.3528.

Therefore, the probability that at least 16 people out of 25 favor the new building project is 0.3528.

To find the probability that at most 16 people out of 25 favor the new building project, we can use the complement rule, which states that the probability of an event occurring is equal to 1 minus the probability of its complement (the event not occurring). In this case, the complement event is the number of people who favor the project being greater than 16.

Using the same CDF, we can find that P(X > 16) = 0.6472. Therefore,

P(X ≤ 16) = 1 - P(X > 16) = 1 - 0.6472 = 0.3528

We can do this using the binomial probability formula for each possible value of k, and then summing the results.

P(12 ≤ X ≤ 19) = P(X = 12) + P(X = 13) + ... + P(X = 19)

Using a calculator or a table, we can find the probabilities for each value of k, and then add them up:

P(12 ≤ X ≤ 19) = 0.0309 + 0.0746 + 0.1322 + 0.1821 + 0.2001 + 0.1821 + 0.1322 + 0.0746 = 0.9088

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the answer is 66

its easy... you posted this as high-school... this is 6th grade work

Area is 69 km2

………..,……….

The vertex form equivalent to the given expression; 2x² + 8x as required to be determined in the task content is; 2 (x + 2)² + 8.

The vertex form equivalent of the given expression can be determined as follows;

2x² + 8x

2 (x² + 4x)

2 ( (x + 2)² + 4)

= 2 (x + 2)² + 8.

Ultimately, the vertex form equivalent of the given expression as required is; 2 (x + 2)² + 8.

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Answer:

110°

Step-by-step explanation:

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Answer: 110˚

Step-by-step explanation:

Complementary angles have a sum of 90˚

With this knowledge, we can say <B = 90 - <A = 90 - 20 = 70˚

Supplementary angles have a sum of 180˚

With this knowledge we can say <C = 180 - <B = 180 - 70 = 110˚

∴ Measure of angle C = 110˚

One term in the original equation that needs to be changed to create a new equation with infinitely many solutions is 20 to 21.

An equation is a mathematical or algebraic statement that shows that two or more mathematical expressions are equal or equivalent.

Equations are depicted using the equal symbol (=), unlike mathematical expressions, which consist of variables, constants, numbers, and values.

7(2W + 3) = 14W + 20 does not have a solution because the first expression is unequal to the second expression and cannot be said to be an equation.

7(2W + 3) = 14W + 21 have many solutions for W.

Thus, changing 20 to 21 gives the original equation an indefinite number of solutions for W.

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Answer:

Step-by-step explanation:

yes because the montly rate is 6.5%

the number of different possible teams that can be formed is equal to nCr, or n!/(r!(n-r)!).

Assuming that the state narcotics bureau has more than 5 agents from which to choose, the number of different possible teams that can be formed is equal to the number of combinations of 5 agents out of the total number of agents the bureau has. This can be calculated using the formula nCr (n choose r), where n is the total number of agents and r is the number of agents in each team, which in this case is 5.

Therefore, the number of different possible teams that can be formed is equal to nCr, or n!/(r!(n-r)!).

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In the similar triangle, x = 67.5 ft

Similar triangles are triangles in which the ratio of their sides are equal.

Given the similar triangles, ΔMNP and ΔMAB

By the ratio of similar triangles, we have that

MP/MN = MB/MA

We observe that MN = MA + AN

So, MA = MN - AN

So, MP/MN = MB/MA

MP/MN = MB/(MN - AN)

Given that

We have that

MP/MN = x/(MN - AN)

Making x subject of the formula, we have that

x = (MN - AN)MP/MN

So, substituting the values of the variables into the equation, we have that

x = (MN - AN)MP/MN

x = (71.5 ft - 22 ft)97.5 ft/71.5 ft

x = 49.5 ft × 97.5 ft/71.5 ft

x = 4826.25 ft²/71.5 ft

x = 67.5 ft

So, the value of x = 67.5 ft

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The statement "sum of a and b integers is a negative integer" is true given that A and B are both negative integers and A is greater than B.

When we add two negative integers, the sum is always negative. This is because adding a negative number is the same as subtracting its absolute value. Therefore, if A and B are negative integers, then A + B will be negative as well.

Since A > B, the sum A + B will be closer in value to A than to B. However, it will still be negative because A and B are both negative integers.

So, the sum of A and B is a negative integer, and the statement is true.

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____ The given question is incomplete, the complete question is given below:

A and B are both negative integers with a>b. Classify this are true or false. sum of a and b integers is a negative integer.

The maximum number of hours is 1.6 hours and the minimum  number of hours is 1.6 hours.

The speed formula can be defined as the rate at which an object covers some distance. Speed can be measured as the distance travelled by a body in a given period of time. The SI unit of speed is m/s.

Given that, a plane is flying at a speed of 175 miles per hour.

The distance covered by the pilot, d = 250 ± 25 miles

We know that, speed = Distance/Time

The equation for the maximum number of hours is given as;

175 =(250+25)/t

t=275/175

t=1.6 hours

The equation for the minimum number of hours is given as;

175 =(250-25)/t

175=225/t

t=225/175

t=1.3 hours

Therefore, the maximum number of hours is 1.6 hours and the minimum  number of hours is 1.6 hours.

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The variability of the data is very small (close to 0) because all the scores are approximately the same.

The variability of these data can be calculated using the variance formula, which is the average squared difference from the mean. In this case, the mean is 3.8 (the sum of 4, 4, 4, 4, and 3 divided by 5). Therefore, the variance is 0.08 (the sum of the squared differences [4-3.8, 4-3.8, 4-3.8, 4-3.8, 3-3.8] divided by 5). This indicates that the variability of the data is very small (close to 0) because all the scores are approximately the same.

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Answer: 25,000 grams

Step-by-step explanation:Really sorry if im wrong.

The value of x in the triangle is 8 units.

Two triangles are said to be similar if their corresponding angles are congruent and the corresponding sides are in proportion .

Therefore, the sides x of the triangle can be found using proportion as follows:

x / x + 8 = x + 8 / 32

cross multiply

32x = (x + 8)(x + 8)

32x = x² + 8x + 8x + 64

x² + 16x - 32x + 64 = 0

x² - 16x + 64 = 0

Therefore,

x² - 16x + 64 = 0

x² - 8x - 8x + 64 = 0

x(x - 8) - 8(x - 8) = 0

(x - 8)(x - 8) = 0

Therefore,

x = 8

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The area of the trapezoid would be 42.5 m².

What is the area of a trapezoid?

The area of a trapezoid is given by the formula:

Area = (1/2) × (sum of the bases) × height

where the bases are the two parallel sides of the trapezoid and the height is the perpendicular distance between the bases.

The parameters of the trapezoid are;

Short base length = 3 m

Height = 5

Large base length = 4 + 3 + 7 = 14 m

Thus;

Area of a trapezoid = 1/2 * (Short base + Large base) * h

Area = 1/2 * (3 + 14) * 5

= 1/2 * 17 * 5

= 42.5 m²

Hence, the area of the trapezoid would be 42.5 m².

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The probability of obtaining the same number of heads is 3/8 or 0.375 when each of two persons tosses three fair coins.

The probability that two persons will obtain the same number of heads depends on the number of possible combinations of heads and tails that can be obtained by each person.

Since each coin flip results in either a heads or tails, there are 2 possible outcomes for each flip. Therefore, for three coin flips,

there are 2^3 or 8 possible combinations of heads and tails.

Out of these 8 combinations, there are 3 in which both persons have the same number of heads (i.e., 0 heads, 1 head, or 3 heads).

So, the probability of obtaining the same number of heads is 3/8 or 0.375.

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Using the concept of proportion, Gianna will have enough yards to make 18 bows

To solve this problem, we need to apply the concept of proportions.

In order to make 1 bow, she needs 1/5 yard of ribbon

Representing this in an equation form will be;

1 bow = 1/5 yard

18 bow = x yard

cross multiply both sides and solve for x

x * 1 = 18 * (1/5)

x = 3.6 yards

From the above, there will be enough yards to make 18 bows.

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In the chi-square goodness-of-fit test, the number of ways in which the expected classes are free to vary is represented by the degrees of freedom (df) of the test.

The degrees of freedom for the chi-square goodness-of-fit test are calculated as df = k - 1, where k is the number of categories or classes being compared.

In this test, we compare the observed frequencies in each category with the expected frequencies, assuming that the null hypothesis is true. The null hypothesis is that there is no significant difference between the observed and expected frequencies, and any deviation between the two is due to chance.

The degrees of freedom are the reflection of the number of independent pieces of information that are available to estimate the expected frequencies.

The more degrees of freedom, the more likely it is that the observed frequencies could be due to chance, and the less significant the test result will be. Conversely, fewer degrees of freedom means that the observed frequencies are more likely to be significantly different from the expected frequencies, and the test result will be more significant.

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As per the volume, we need to to purchase 4 containers of punch.

To calculate the amount of punch required, we need to find the total volume of punch needed, which can be calculated as follows:

Total volume of punch = number of students * volume of punch per student

= 25 * 8 fluid ounces

= 200 fluid ounces

Now, we know that the punch is sold in half-gallon containers. One gallon is equal to 128 fluid ounces. Therefore, a half-gallon container is equal to 64 fluid ounces. We can use this information to find out how many containers of punch are needed:

Number of containers of punch = Total volume of punch / Volume of punch per container

= 200 / 64

= 3.125

Since we cannot purchase a fractional number of containers, we need to round up to the nearest whole number. Therefore, we need to purchase 4 containers of punch.

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The equation will be:

t = b - 2

And we can see that:

Here we have two variables:

t = taner's age

b = age of Tanner's brother.

The independent variable is the one that does not depend on the other, in this case (for how it is worded) is the brother's age.

The dependent variable depends on the other, on this case, Tanner's age.

Now let's write the equation, we know that Taner's age is 2 years less than his brother, then:

t = b - 2

That is the equation.

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Answer:

8 < f

8 must be strictly lesser than f, not greater than or equals to.

The initial investment cost using the equity method would be:

Investment account balance + Phillips' share of retained earnings = Initial investment cost = $54,000 + $10,400 = $64,400

Fair Value Method:

The cumulative increase in fair value over the three years would be:

$2,000 + $2,000 + $2,000 = $6,000

Therefore, the initial investment cost would be:  

$54,000 - $6,000 = $48,000

Equity Method:

By the equity method, Phillips would have recorded its share of Jones Bag's earnings each year, as well as its share of dividends received. Phillips' share of Jones Bag's earnings and dividends would be based on its 40% ownership interest.

Phillips' share of Jones Bag's earnings and dividends would be as following:

Year Earnings Dividends

20X1 $3,200 $6,000

20X2 $4,800 $4,000

20X3 $8,000 $4,000

$40,000 - $14,000 = $26,000

Phillips' share of retained earnings would be 40% of $26,000, or $10,400.

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You might need to utilise algebra to answer for the variable x in a word problem if there isn't a particular number provided for it.

Create an equation involving x using the information provided.

For instance, if the question is, "What is the value of x if x is 5 more than twice y and y is 3?" you may write up an equation like this:

x = 5 + 2y

x = 5 + 2(3) (3) (Replace y = 3)

x = 11

By changing the supplied value of y, you can answer for x in this situation by first solving the ensuing equation.

You might need to utilise many equations and algebraic techniques like substitution, elimination, or graphing to solve for x if the issue is more complicated. It could be beneficial to divide the problem into smaller steps and work through each step methodically if you are unclear of how to proceed.

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The coordinate pairs of vertices  D₅ (△JKL) of  are J'(-15,-10), K'(5,20) and L'(20,10).

What does a math definition of a coordinate plane mean?

A surface with two dimensions known as the coordinate plane is created by two number lines. The x-axis is a single number line that runs horizontally. The y-axis is the name given to the vertical number line that is the other number line.

                              A place known as the origin is where the two axes collide. To graph points, lines, and other things, we can utilize the coordinate plane.

We know that, D₅ (△JKL) means triangle JKL dilated by scale factor 5 with origin as center of dilation.

If a figure is dilated by factor k and origin is the center of dilation, then

    ( x, y )    ⇒ ( kx , ky )

 From the given problem, the rule of dilation is

       ( x , y ) ⇒ ( 5x , 5y )

Now

    J( -3 , -2 ) ⇒ J'( 5(-3), 5(-2)) = J'( -15 , -10 )

  K( 1,4 ) ⇒ K'(5(1) , 5(4)) = K'( 5,20 )

   L( 4,2 ) ⇒ L'(5(4), 5(2)) = L'( 20,10 )

Therefore, the coordinate pairs of vertices  D₅ (△JKL) of  are J'(-15,-10), K'(5,20) and L'(20,10).

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Answer: yes

Step-by-step explanation:

Using substitution method, the value of x and y are -13/3 and 2/3 respectively

A system of linear equations is a set of two or more linear equations with the same variables. The solution to the system is the set of values for the variables that satisfies all of the equations simultaneously. The variables represent unknown values that we are trying to solve for, and each equation provides a constraint on those variables.

To find the value of x and y, we can use substitution method.

4x + 8y = 12 ...eq(i)

x + 2y = -3 ...eq(ii)

From eq(ii)

x = -3 + 2y ...eq(iii)

Put eq(iii) into eq(i)

4(-3 + 2y) + 8y = 12

-12 + 8y + 8y = 12

-12 + 16y = 12

16y = 24

y = 2/3

Put y = 2/3 in eq(ii)

x + 2(2/3) = - 3

x + 4/3 = -3

x = -13/3

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Variable y in equilateral 60°, Thus correct option is C) 60°.

An equilateral triangle is one with equal-sized sides on all three sides and angles that can all reach a maximum of 60 degrees. An equilateral triangle is a triangle with three equal sides, also referred to as a "regular" triangle. Since all three sides of an isosceles triangle are equal, an equilateral triangle is a special case of an isosceles triangle. Three equal angles of 60 degrees also make up an equilateral triangle.

The sum of all the angles in a triangle is 180.

It is given that the triangle ABC is an equilateral triangle.

So ∠A+∠B+∠C =180°

∠A=B=∠C

3∠A=180°

∠A=60°

Therefore y in ΔABC is C) 60°

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Answer:

ASA

Step-by-step explanation:

There are two pairs of congruent angles, and the pair of congruent sides is included between the angles.