Express y
in terms of x
. Find the value of y
when x
= -1.

−3(x+2)=5y

Answer:

somewhere between B & C

Step-by-step explanation:

267 *21 =5607

340*21 = 7140

The value of the variable x is 53.

The measures of the angles include the following:

m∠P = 96°.

m∠Q = 95°.

m∠R = 53°.

In Mathematics, a triangle can be defined as a two-dimensional (2D) geometric shape that comprises three (3) sides, three (3) vertices and three (3) angles only.

Furthermore, the sum of the angles in a triangle is equal to 180. This ultimately implies that, we would sum up all of the angles as follows;

m∠P + m∠Q + m∠R = 180

Substituting the given parameters into the mathematical expression, we have the following;

(2x - 10)° + (x + 42)° + x° = 180°

4x - 32° = 180°

4x = 180° + 32°

x = 53.

For the measure of the angles, we have:

m∠P = (2(53) - 10)° = 96°.

m∠Q = (53 + 42)° = 95°.

m∠R = 53°.

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The best numerical descriptive measure for comparing average store sales by region would be the mean or average.

This measure would provide an accurate representation of the overall store sales across the entire region and would allow the manager to easily identify which region has the lowest store sales.

Additionally, the median and mode could also be used as descriptive measures to compare the store sales by region.

For example, if there is a single store with particularly high sales, the mean will be heavily influenced by this one store. The median and mode would be more likely to provide a better representation of the overall sales across the region, as they are not as heavily influenced by extreme values.

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The angle measures are given as follows:

The sketch is given by the image presented at the end of the answer.

We have a right triangle, hence one of the angle measures is given as follows:

90º.

The sum of the measures of the internal angles of a triangle is of 180º, hence the sum of the remaining measures is given as follows:

90º, as 180 - 90 = 90.

The smallest angle is one fifth the medium size angle, hence:

x + 5x = 90

x = 15.

The measures are:

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Answer:

C

Step-by-step explanation:

distance depends on the speed & the time traveled.

The equation of the given lines in both questions are;

15) y = x + 8

16) y = ¹/₄x - 12

15) The formula for the equation of a line between two coordinates is;

(y - y1)/(x - x1) = (y2 - y1)/(x2 - x1)

The coordinates are (-4, 4) and (2, 10) and as such we have;

(y - 4)/(x + 4) = (10 - 4)/(2 + 4)

(y - 4)/(x + 4) = 6/6

y - 4 = x + 4

y = x + 8

16) The slope perpendicular to another line is; -1/m

Thus, slope of new line = -1/(-4) = 1/4

The coordinates are (16, -8). Thus;

Equation of Line is;

y + 8 = (1/4)(x - 16)

y = ¹/₄x - 12

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The lines intersect at (4, 7, 0.5), and the angle between the two lines is approximately 83.6 degrees.

The two lines can be represented in the following form:

x = 4t + 2

y = 7

z = -t + 1

x = 2s + 2

y = 2s + 7

z = s + 1

We can find the intersection point by solving the system of equations obtained from setting the x, y and z components equal. That is, we set:

4t + 2 = 2s + 2

7 = 2s + 7

-t + 1 = s + 1

Solving the system of equations we get:

t = 1/2

s = 2

So, the intersection point is

(x, y, z) = (4t + 2, 7, -t + 1) = (4(1/2) + 2, 7, -(1/2) + 1) = (4, 7, 0.5).

To find the angle between the lines, we find the direction vectors of the two lines. The direction vectors for the two lines are:

d1 = <4, 0, -1>

d2 = <2, 2, 1>

The angle between the two lines is given by the dot product of the direction vectors divided by the product of the magnitudes:

cos(theta) = d1.d2 / (|d1| * |d2|)

The angle between the two lines is approximately 83.6 degrees.

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Sadie's total weekly sales in the last week were $625.

A percentage is a value per hundredth. Percentages can be converted into decimals and fractions by dividing the percentage value by a hundred.

Given, Sadie earns a 20 percent commission on sales at a hair salon.

Let, 'x' be her total weekly sales.

Therefore, $125 is 20% of 'x' which can be numerically expressed as,

(20/100)×x = 125.

0.2x = 125.

x = 125/0.2.

x = 625.

So, her weekly sale was $625.

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The results of the exponents are;

1) n^6

2) 3r^2

3) b

4) b^7/2

5) 1/3x^13/12

6) 8/m^9/2

7) x^1/3y^1/8

8) 5^1/5

9) q^1/2

10) 2x^3/2

Exponents are a mathematical notation used to represent repeated multiplication of a number by itself. The number being multiplied is called the base, and the exponent is a power that indicates the number of times the base is being multiplied by itself.

We can see that in the problems that we have above, we can be able to obtain the exponents by the use of the law of exponents.

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Answer:

Step-by-step explanation:

[tex]m_{2}=\frac{-1}{m_{1} }[/tex]

m2=4

y=mx+c

9=4(16)+c

9=64 +c

c=9-64

c=-55

∴y=4x-55

The probability of drawing two socks of the same color depends on the color chosen, with 0 probability of drawing two red socks and non-zero probabilities of drawing two blue or two green socks.

The probability of drawing a red sock is 1/6.

The probability of drawing a blue sock is 3/6 or 1/2.

The probability of drawing a green sock is 2/6 or 1/3.

The probability of drawing a red and a blue sock in either order is (1/6) * (3/5) = 1/30.

The probability of drawing a blue and a green sock in either order is (3/6) * (2/5) = 4/15.

The probability of drawing two red socks is (1/6) * (0/5) = 0.

The probability of drawing two blue socks is (3/6) * (2/5) = 4/15.

The probability of drawing two green socks is (2/6) * (1/5) = 2/30.

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Answer The total rental charge for Sandy's trip will be $601.05 (six hundrend one dollars and five cents)

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Step-by-step explanation:

The resulting binary representation of 100 is 1100100.

The recursive method for displaying the binary equivalent of a decimal number is based on the binary representation of integers, which is expressed by the formula:

Decimal number = [tex](2^n * bn) + (2^n-1 * bn-1) + ... + (2^0 * b0)[/tex]

where n is the number of bits in the binary representation, and bn is the value at each bit position (either 0 or 1).

To calculate the binary equivalent of a decimal number, the method works by first calculating the largest power of two (2^n) that is less than or equal to the decimal number. The remainder of the decimal number is then calculated (Remainder = Decimal number - 2^n). This remainder is then recursively used to calculate the binary equivalent of the remainder. This process is repeated until the remainder is less than or equal to 2^0, at which point the binary representation can be determined.

For example, to calculate the binary equivalent of 100, the largest power of two that is less than or equal to 100 is 2^6 (64), so the remainder is 100 - 64 = 36. The binary equivalent of 36 is then calculated recursively, and the resulting binary representation of 100 is 1100100.

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The expression that represents the combined inventory of these two stores is given as follows:

A. 7g²/2 - 4g/5 + 15/4.

The combined inventory is obtained adding the inventories for each store, combining the like terms.

The addition of the like terms for g² is given as follows:

1/2 + 3 = 0.5 + 3 = 3.5 = 7/2g².

The term with g is given as follows:

-4g/5.

The constant like terms are combined as follows:

7/2 + 1/4 = 14/4 + 1/4 = 15/4.

Hence the simplified expression is given as follows:

7g²/2 - 4g/5 + 15/4.

Meaning that the correct option is given by option A.

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Answer:

6y=18x+24

Step-by-step explanation:

x come first cuz of pemdas

The equation of a line in slope-intercept form is y = 7x - 12.

A line's slope is defined as the ratio of the change in the y coordinates to the change in the x coordinate.

Both the net change in the y-coordinate and the net change in the x-coordinate are denoted by y and x.

Given the slope of the line is 7

and  passes through the point (2, 2)

equation of a line is given by,

y = mx + c

m = slope = 7

y = 7x + c

for c substitute the values of x and y, where x = 2 and y = 2

y = 7x + c

2 = 7(2) + c

c = 2 - 14

= -12

equation is y = 7x - 12

Hence equation of a line is y = 7x - 12.

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Answer:

(8,​ 1)

Option 2

Step-by-step explanation:

Let C be the point that divides AB in the ratio 2:3

The technique to find individual segments is to note that if a line is 2+3 = 5 units long then one segment will be 2/5 and the other segment will be 3/5

2/5 : 3/5 = 2 : 3

Length of segment AB = 14 - 4 = 10 since the y values are the same and it is a horizontal line

So length of segment AC = 2/5 + 10 = 4

TO find the absolute x-value we add this length to the x-coordinate of A: 4 + 4 = 8

The y-coordinate of C = y-coordinate of A = y-coordinate of B = 1

So the point that divides the line segment AB in the ration 2:3 is (8, 1)
This would correspond to the second option

Answer: This game of darts involves the player calling the target they aim to hit and the winner is determined by hitting the section they called. The player starts by attempting to hit "low" (sectors 1-10), followed by "high" (sectors 11-20), then "bullseye", and this pattern continues until the player successfully hits the section they called.

Step-by-step explanation:

Answer:

250 adult tickets were sold

Step-by-step explanation:

Let A represent the number of adult tickets sold and  S the number of student tickets sold

Total tickets sold = A + S = 444

56 fewer student tickets than adult tickets means
S = A - 56

Substituting for s in the first equation,

A + S = 444

A + (A - 56) = 444

2A - 56 = 444

Add 56 to both sides:
2A - 56 + 56 = 444 + 56

2A = 500

A = 250

So 250 adult tickets were sold

The Venn diagram shown to Region II: Items in A and B, but not C are (A ∪ B)' ∪ A'

We have been given that the diagram we need to find the regions represent the set.

A Venn diagram is an illustration that uses circles to show the relationships among things or finite groups of things. Circles that overlap have a commonality while circles that do not overlap do not share those traits. Venn diagrams help to visually represent the similarities and differences between two concepts.

The Venn diagram, item represents the regions four, five, six and seven.

Therefore, it can be written us for Union Fight,...., we concluded that the regions represent see R. C.

This is equal to for Union Fighting Union Six, Seven.

We have, region represent (A ∪ B)' ∪ A'

Therefore, the Venn diagram shown to regions represent

(A ∪ B)' ∪ A' is Region II

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Answer:

Step-by-step explanation:

A perfect cube monomial is a monomial with a cube root that is a monomial. In other words, it is a monomial, A, such that there exists a monomial, B, where B × B × B = A.

Answer:

[tex]43.78^\circ[/tex]

Step-by-step explanation:

Let θ  be the angle that the base of the leaning tower makes with the tower i.e. the angle of elevation

Since this is a right triangle we have the relationship

[tex]\tan\theta = \dfrac{height}{base} = \dfrac{46}{48} \approx 0.95833\\\\[/tex]

[tex]\theta = tan^{-1} (0.95833) = 43.78^\circ[/tex]

Answer
[tex]= 43.78^\circ[/tex]

The angle of elevation is given by the trigonometric relation and θ = 73.40°

What are trigonometric relations?

Trigonometry is the study of the relationships between the angles and the lengths of the sides of triangles

The six trigonometric functions are sin , cos , tan , cosec , sec and cot

Let the angle be θ , such that

sin θ = opposite / hypotenuse

cos θ = adjacent / hypotenuse

tan θ = opposite / adjacent

tan θ = sin θ / cos θ

cosec θ = 1/sin θ

sec θ = 1/cos θ

cot θ = 1/tan θ

Given data ,

Let the angle of elevation be represented as E = θ

Now , the measure of the altitude = 46 m

The measure of the hypotenuse = 48 m

And , the angle of elevation is given by the trigonometric relation ,

sin θ = opposite / hypotenuse

On simplifying , we get

sin θ = 46 / 48

sin θ = 0.958333

Taking inverse on both sides , we get

θ = sin ⁻¹ ( 0.958333 )

θ = 73.40°

Hence , the angle of elevation is 73.40°

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The solution to the proportional relationship (2x - 4)/39 = (x + 6)/24 is given as follows:

x = 36.67.

The proportional relationship for this problem is defined as follows:

(2x - 4)/39 = (x + 6)/24

As the measures are proportional, we can apply cross multiplication, hence:

24(2x - 4) = 39(x + 6).

Applying the distributive property to each side of the equality, we have that:

48x - 96 = 39x + 234

Hence, isolating x, the solution is obtained as follows:

48x - 39x = 234 + 96

9x = 330

x = 330/9

x = 36.67.

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Step-by-step explanation:

Simplify: [tex]9x^2 -4x-3=[/tex] [?] when x= -2

Substitute in -2 for x:

[tex]9(-2)^2 -4(-2)-3\\= 9(-2)^2 -4(-2)-3\\=9(4) +8 -3\\= 36 + 8 - 3\\[/tex]

x = 41

Answer: = 41

The solution to the differential equation is:

26. y - 2xy^3 = (1/4)y^4 + C.

27. (1/2)x^2 + (1/2)e^(2y) = x + C.

28. y + x^2 + xy^2 = (1/3)y^3 + x^2 + C.

To solve this differential equation with y as the independent variable, we can first separate the variables:

26. (1 - 4xy^2)dy = y^3 dx

Integrating both sides, we have:

∫(1 - 4xy^2)dy = ∫y^3 dx

y - 2xy^3 = (1/4)y^4 + C, where C is an arbitrary constant of integration.

So, the solution to the differential equation is:

y - 2xy^3 = (1/4)y^4 + C.

27. (x + ye^y)dy = dx

Integrating both sides, we have:

∫(x + ye^y)dy = ∫dx

(1/2)x^2 + (1/2)e^(2y) = x + C, where C is an arbitrary constant of integration.

So, the solution to the differential equation is:

(1/2)x^2 + (1/2)e^(2y) = x + C.

28. (1 + 2xy)dy = (1 + y^2)dx

Integrating both sides, we have:

∫(1 + 2xy)dy = ∫(1 + y^2)dx

y + x^2 + xy^2 = (1/3)y^3 + x^2 + C, where C is an arbitrary constant of integration.

So, the solution to the differential equation is:

y + x^2 + xy^2 = (1/3)y^3 + x^2 + C.

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the random variable x is the number of occurrences of an event over an interval of 10 minutes. it can be assumed the probability of an occurrence is the same in any two time periods of an equal length. it is known that the mean number of occurrences in 10 minutes is 5.3.

A Poisson process is a statistical model used to describe the number of occurrences of an event over a fixed interval of time or space. It has the following properties:

The events are independent, meaning that the occurrence of one event does not affect the probability of another event happening.

The average rate of occurrences is constant over time and is equal to the rate parameter of the Poisson distribution.

The probability of having n events in a fixed interval of time is given by the Poisson probability formula:

P(n) = (λ^n * e^-λ) / n!

where λ is the rate parameter and n! is the factorial of n.

Given the mean number of occurrences in 10 minutes is 5.3, it can be assumed that the rate parameter is 0.53 occurrences per minute. This means that, on average, 0.53 events are expected to occur in each minute. Since the Poisson process is memoryless, this rate is constant over time and the mean number of occurrences in any 10-minute interval will be 5.3.

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The sums of distinct, nonconsecutive Fibonacci numbers for each of the given natural numbers are 52 = 13 + 34, 143 = 89 + 34 + 13 + 8, 13 = 8 + 5, 88 = 55 + 34, 43 = 21 + 8 + 13 + 1, 90 = 55 + 34, 2000 = 1597 + 377 + 21 + 5, 609 = 377 + 233.

A) The Fibonacci sequence is a set of numbers that starts with a one or a zero, followed by a one, and proceeds based on the rule that each number (called a Fibonacci number) is equal to the sum of the preceding two numbers. The Fibonacci numbers are: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, 1597, 2584, 4181, 6765, 10946, and so on. To express 52, 143, 13 and 88 as a sum of distinct, nonconsecutive Fibonacci numbers, we can use the following calculations.

For 52, the sum is 13 + 34. 13 is the 8th Fibonacci number and 34 is the 9th Fibonacci number. By adding these two numbers, we get 52.

For 143, the sum is 89 + 34 + 13 + 8. 89 is the 11th Fibonacci number, 34 is the 9th Fibonacci number, 13 is the 8th Fibonacci number and 8 is the 7th Fibonacci number. By adding these four numbers, we get 143.

For 13, the sum is 8 + 5. 8 is the 7th Fibonacci number and 5 is the 6th Fibonacci number. By adding these two numbers, we get 13.

For 88, the sum is 55 + 34. 55 is the 10th Fibonacci number and 34 is the 9th Fibonacci number. By adding these two numbers, we get 88.

B) To express 43, 90, 2000, 609 as a sum of distinct, nonconsecutive Fibonacci numbers, we can use the following calculations.

For 43, the sum is 21 + 8 + 13 + 1. 21 is the 6th Fibonacci number, 8 is the 7th Fibonacci number, 13 is the 8th Fibonacci number and 1 is the 5th Fibonacci number. By adding these four numbers, we get 43.

For 90, the sum is 55 + 34. 55 is the 10th Fibonacci number and 34 is the 9th Fibonacci number. By adding these two numbers, we get 90.

For 2000, the sum is 1597 + 377 + 21 + 5. 1597 is the 16th Fibonacci number, 377 is the 14th Fibonacci number, 21 is the 6th Fibonacci number and 5 is the 6th Fibonacci number. By adding these four numbers, we get 2000.

For 609, the sum is 377 + 233. 377 is the 14th Fibonacci number and 233 is the 13th Fibonacci number. By adding these two numbers, we get 609.

The sums of distinct, nonconsecutive Fibonacci numbers for each of the given natural numbers are 52 = 13 + 34, 143 = 89 + 34 + 13 + 8, 13 = 8 + 5, 88 = 55 + 34, 43 = 21 + 8 + 13 + 1, 90 = 55 + 34, 2000 = 1597 + 377 + 21 + 5, 609 = 377 + 233.

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The equation of a line that passes through (0.5, 4.25) and (2, 18.5) and has a y-intercept of -0.5 is y = 9.5x - 0.5

The equation of a line is given by:

y = mx + c

where m is the slope of the line and c is the y-intercept.

Example:

The slope of the line y = 2x + 3 is 2.

The slope of a line that passes through (1, 2) and (2, 3) is 1.

We have,

The equation of a line that passes through (0.5, 4.25) and (2, 18.5).

y-intercept =  -5

Now,

The equation of a line is y = mx + c

c = y-intercept

c = -0.5 ______(1)

Now,

(0.5, 4.25) and (2, 18.5)

m = (18.5 - 4.25) / (2 - 0.5)

m = 14.25 / 1.5

m = 9.5 ______(2)

Now,

The equation of a line.

y = mx + c
From (1) and (2).

y = 9.5x - 0.5

Thus,

y = 9.5x - 0.5 is the equation of the line.

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Answer:

20 Stickers

Step-by-step explanation:

You cross multiply

[tex] \frac{70 \times 4}{14} [/tex]

[tex] \frac{280}{14} = 20[/tex]