Trigonometry. What's x? Dont know how to do it

Answer:

Hence we can see that, when two lines are perpendicular to each other, they form 4 right angles (90 degrees).

Answer:

5/4

Step-by-step explanation:

A ratio can be written with a colon or as a fraction. Fractions can also be simplified further into the desired ratio.

Please let me know if this helped!!!

Answer: it’s 3t - 6

But here’s how I got that

Step-by-step explanation:

Therefore , the solution of the given pentagon is the wall has a square footage of 80.7293. Asher requires four cans in total.

A polygon with five sides and five angles is called a pentagon. Penta and Gonia, two words that each denote five angles, are the components of the word "pentagon." The shape is created when the sides of such a pentagon come together at their ends.

Here,

Given that a storage shed's wall has a pentagonal shape.

A pentagon's surface can be separated into two shapes. The first shape is a rectangle, while the second is a triangle.

The rectangular shape measures 1+1+1 = 3 meters in length.

(1 + 1) = 2 metres is the width.

3 x 2 = 6 square meters make up the space of the rectangle.

Three meters make up the triangle's base.

The triangle measures 1 meter in height.

The triangle's area is 1/2 base, 1/2 height, or 1/2 x 3-1, or 3/2 square meters.

The pentagon's total area is 7.5 square meters, or 6 + 3/2 square meters.

10.7639 square feet are equal to 1 square meter.

(7.5 x 10.7639) square feet are equal to 7.5 square meters.

= 80.7293 square meters

24 square feet are covered by one can of paint.

He requires 80.7293/24 = 3.36 square feet in order to cover it.

Therefore, he requires a minimum of 4 cans oil paint.

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To begin, determine the absolute value of each integer. After that, multiply or compute the product of the absolute numbers. Finally, identify the final answer's sign. According to the rule, if the signs of the two numbers vary, the final result will be negative.

Determine the absolute value of each number first. After that, multiply or compute the absolute number product. Finally, determine the sign of the final answer. If the signs of the two numbers differ, the final result will be negative, according to the rule. A zero, a positive natural number, or a negative integer with a minus sign is an integer. The negative numbers are the additive inverses of their positive counterparts. The set of whole numbers and their inverses is known as the integers. The set of integers does not include fractions or decimals.

Here,

Determine the absolute value of each number first. After that, multiply or compute the absolute number product. Finally, determine the sign of the final answer. If the signs of the two numbers differ, the final result will be negative, according to the rule.

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An equation can be solved in four steps.

1. Find the equation's terms and coefficients.

2. To isolate the variable, using inverse techniques.

3. Re-enter the value into the first equation to verify your conclusion.

4. Consider the issue in light of the remedy.

Finding an equation's terms and coefficients is the first step in solving it. Any constants, variables, and coefficients must be located, and their relationships must be understood.Once the terms are known, it is feasible to isolate the variable and perform inverse operations to solve for the unknown, such as addition, subtraction, multiplication, and division.

It is crucial to check the solution after solving the issue by inputting the original formula once more. The answer is accurate if the equation still holds true. Understanding the answer requires consideration of the problem's context. This necessitates figuring out the response's applicability and how to apply it to the bigger issue.

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subtraction addition  is commutative for rational numbers Class 8

LHS means left-hand side of the equation and RHS means right-hand side of the equation

3c(-5) = (-5)3c

The LHS of the above expression can also be written as 3 * c * (-1) * 5

The RHS of the above expression can also be written as (-1) * 5 * 3 * c

Since, this expression involved multiplication, it will definitely represent a multiplicative property. Since the order of the numbers that are being multiplied has been changed between LHS and RHS, and it is yielding the same result, it indicates that this is the commutative property of multiplication. This property states that a group of numbers can be multiplied in any order. Hence, the answer is C.

8+3.4=3.4+8

In the above, the order of the numbers being added has been changed across RHS and LHS, but is yielding the same result, it is representing the commutative property of addition. This property states that a group of numbers can be added in any order. Hence, the correct answer is C.

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The possible solution set for the system is (- 1, 4) and (4, - 1).

Given are the equations as -

x + y = 3

x² + y² = 17

Refer to the graph of the function attached. The points of intersection represents the possible solution set.

Therefore, the possible solution set for the system is (- 1, 4) and (4, - 1).

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This is the standard form equation of the circle is [tex](x - 7)^{2}[/tex] + [tex](y - 14)^{2}[/tex] = 10

The standard form equation of a circle is [tex](x - h)^{2}[/tex] + [tex](y - k)^{2}[/tex] = [tex]r^{2}[/tex], where (h, k) is the center of the circle and r is the radius.

Given the center of the circle as (7, 14) and a point on the circle as (4, 15), we can use the distance formula to find the radius:

r = [tex]\sqrt{(4 - 7)^{2} + (15 - 14)^{2} }[/tex] =  [tex]\sqrt{(-3)^{2} + (1)^{2} }[/tex]= [tex]\sqrt{9 + 1}[/tex] = [tex]\sqrt{10}[/tex]

So the standard form equation of the circle is:

[tex](x - 7)^{2}[/tex] + [tex](y - 14)^{2}[/tex] = [tex]\sqrt{(10)^{2} }[/tex]

Which can be written as:

[tex](x - 7)^{2}[/tex] + [tex](y - 14)^{2}[/tex] = 10

So the standard form equation of the circle is [tex](x - 7)^{2}[/tex] + [tex](y - 14)^{2}[/tex] = 10

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Maria is not correct. Just because two sides of a triangle measure 8 inches, it does not mean that the triangle is isosceles.

An isosceles triangle is a triangle in which two sides are congruent, meaning they have the same length. However, just because two sides of a triangle have the same length, it does not necessarily mean that the triangle is isosceles.

There could be a third side with a different length. Therefore, it is a possibility that the third side of the triangle is not 8 inches, hence the triangle is not isosceles.

To confirm if a triangle is isosceles, we must measure all three sides and if two sides are congruent then it's an isosceles triangle.

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The distance from here to earth is 2.48 x 10^13 miles.

Scientific notation is used compress larger numbers into smaller numbers. In order to write a number in scientific notation, the number is written as a decimal number, between 1 and 10 and multiplied by a power of 10. For example, 3 x 10² is equivalent to 300.

Distance is the product of rate and time.

Distance = rate x time.

( 3.7*10^4) x (6.71*10^8)

(3.7 x 6.7) x 10^[4 + 8]

24.827 x 10^12

2.48 x 10^13 miles

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To get the echo of a positive integer, we write it twice in a row without a space. The echo number 202320232023202320232023  is the perfect square of 449800213454.

If the square root of an echo number is a natural number, the echo number has a perfect square. We discovered that echo number 202320232023202320232023  is a perfect square after a few iterations:

√202320232023202320232023 = 449800213454.

The perfect square of the integer 449800213454.1 is the echo number 202320232023202320232023.

Therefore,To get the echo of a positive integer, we write it twice in a row without a space. The echo number 202320232023202320232023  is the perfect square of 449800213454.

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The total cost of good will equals to $33.64 after considering the 20% discount he had at the pharmacy.

A loyalty card is an identity card issued by a retailer to its customers as a form of consumer incentive scheme in which credits are accumulated for future discounts with each transaction.

Now, we will have to calculate the total cost of all the items he wants to buy after considering the 20% discount.

First, we will calculate the discounted amount:

= 20% * $42.05

= $8.41

Second, we will calculate the new amount of cost:

= $42.05 - $8.41

= $33.64

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On solving the provided question we can say that the value of x is in parallel line is  equal to 36.

Real-world examples of parallel lines include railroad tracks, sidewalk margins, street markings, zebra crossings, the surfaces of pineapple and strawberries, stairs, railings, etc. Ratios contrast two figures by ordinarily dividing them. A/B would be your formula if you were comparing one data point (A) to another data point (B). This indicates that you are multiplying information A by information B.

All three line are parallel to each other. so, that ratio of 40/24 is equal to 60/x.

40/24 GO/x

x = (60 24)/40

x=36

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Using the indirect measurement, the height of pole is obtained to be 21 ft.

What is indirect measurement?

Using various measurements to determine the required measurement is known as indirect measurement.

Height of the fire hydrant, hf = 3ft

Height of the shadow of the fire hydrant, h'f = 4 ft

Height of the pole, hp = x

Height of the shadow of the pole, h'p = 28 ft

Both the shadows are casted at the same time, i.e. 4 pm.

So, use the method of indirect measurement -

hf/h'f = hp/h'p

3/4 = x/28

x = (3 × 28)/4

x = 84/4

x = 21

Therefore, the height of pole hp = 21 ft.

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Answer:

check Here.

Step-by-step explanation:

(a) A can be found by solving the equation curl(A) = G, which means that the curl of A in the x, y, and z directions must equal the corresponding components of G. To find A, we can use the vector identity curl(A) = del x A - del y A + del z A.

From this, we get:

del y A = 9e^y

del x A = -3x^2 ex^3

del z A = 0

So A = (f(z), g(x, y), h(x, y, z)) where f, g, h are arbitrary differentiable functions.

(b) Circulation of A around C is given by the line integral of A . ds, where C is a closed curve and ds is an infinitesimal element of C. Since we are given a specific curve 88, we need to know the parametric representation of the curve to calculate the circulation.

(c) The flux of G through S is given by the surface integral of G . dS, where dS is an infinitesimal element of the surface S. Since we are given the upper hemisphere of the unit sphere as S, we can use spherical coordinates to parametrize the surface and then use the divergence theorem to calculate the flux.

Note that the specific values of A, the circulation, and the flux are dependent on the choice of f, g, h and the representation of 88, and dS.

Answer:

I think it's clear that it's A. Computers depend of you input

It is not possible to construct a triangle whose sides are 9 cm 7 cm and 17 cm because the sum of two sides(9 cm and 7 cm) are smaller than third sides(17 cm).

In the given question, we have to check that it is possible to construct a triangle whose sides are 9 cm 7 cm and 17 cm.

To check whether the given sides can make a triangle or not, we have to check that the sum of two sides always greater than the third side.

To check this we firstly add the 9 and 7

9 + 7 < 17

16 < 17

Now we add 17 and 7

17 + 7 > 9

24 > 9

Now we add 9 and 17

9 + 17 > 7

26 > 7

It is not possible to construct a triangle whose sides are 9 cm 7 cm and 17 cm because the sum of two sides(9 cm and 7 cm) are smaller than third sides(17 cm).

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Answer:

15x + 12

Step-by-step explanation:

-3(-x-4) + 12x

3x + 12 +12x

15x + 12

We can't simplify anymore, so the answer is 15x + 12

Answer:

no it is not a solution

Step-by-step explanation:

to determine if (- 5, 4 ) is a solution to the system, substitute the x- coordinate x = - 5 into the right side of both equations and if the value obtained is equal to the y- coordinate y = 4 then it is a solution.

Note that this must be true for both equations

y = 3(- 5) + 19 = - 15 + 19 = 4 ← True

y = - 2(- 5) - 7 = 10 - 7 = 3 ≠ 4 ← False

thus (- 5, 4 ) is not a solution to the system of equations.

Answer: By the Remainder Theorem, the remainder when f(x) is divided by x-2 is f(2)

Step-by-step explanation:

Every coordinate point of the original triangle is multiplied by the scale factor 1/2 if the scale factor is 1/2. multiplying by half after a scale factor of two.

The scale factor of a shape refers to the amount by which it is increased or shrunk. It is applied when a 2D shape, such as a circle, triangle, square, or rectangle, needs to be made larger.

K is the scaling factor for x in the equation y = Kx. This expression can also be visualised in terms of proportionality:

y ∝ x

K can therefore be regarded as a proportionality constant in this context.

Basic Proportionality Theorem also aids in a better understanding of the scale factor.

Shapes in various dimensions can be scaled using the Scale Factor. In geometry, we study many geometrical forms that exist in both two- and three-dimensions. The scale factor is a way to compare figures with similar appearances but differing scales or measurements. Consider two circles that resemble one another but may have different radii.

The scaling factor indicates how much a figure has increased or decreased from its initial value. With the use of the scale factor, any original shape can be drawn in an enlarged or shrunk form.

Formula of Scale Factor

Dimensions of Original Shape x scale Factor = Dimension of new shape

Scale factor = Dimension of New Shape/Dimension of Original Shape

The process of dilation entails scaling or changing a thing. It is a transformation that uses the specified scale factor to make the objects smaller or larger. The initial figure is referred to as the pre-image, and the new figure that results from dilatation is known as the image. Dilation comes in two varieties:

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Every coordinate point of the original triangle is multiplied by the scale factor 1/2 if the scale factor is 1/2. multiplying by half after a scale factor of two.

Formula of Scale Factor

Dimensions of Original Shape x scale Factor = Dimension of new shape

Scale factor = Dimension of New Shape/Dimension of Original Shape

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If the actual length of the living room is 8 meters, according to the scale drawing living room in the sketching should be 2 millimeters

Scale drawings are images that depict objects at a scale different from their actual size. Depending on the size of the object being represented and how the sketching will be used, they can depict objects at either a bigger or smaller scale than full size. The scale gives the proportion of a distance at full size to the distance that, at the scale in use, would have the same length.

Scale drawings are used to illustrate objects when sketching them at their true scale would not be practical or beneficial. This could be because depicting the object as its whole would be difficult or difficult to fit on a single sheet of paper.

since 4meter = 1mm

then 8meter = 2mm

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A line intersects the point and is perpendicular to y=(x / 4)-2. (4,-1). y=15-4 x is the equation for this perpendicular line.

In order to determine the equation for the line perpendicular to the line [tex]$y=\frac{x}{4}-2$[/tex]passing through the point (4,-1)

The slope-intercept version of the equation for the line is [tex]$y=\frac{x}{4}-2$[/tex].

Inversely, the perpendicular line has a negative slope of m=-4.

Consequently, the perpendicular line's equation is y=-4 x+a.

Using the notion that the line should pass through the specified location, we can use the formula [tex]-1=(-4) \cdot(4)+a[/tex] to determine a.

Thus, a=15. The line's equation is therefore y=15-4 x.

Lines that cross at a straight angle (90 degrees) are said to be perpendicular. Many perpendicular lines can be seen in the actual world. Examples include the edges of a set square, a clock's arms during particular times of day, the corners of a blackboard, a window, and the Red Cross emblem.

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Equation of constant proportionality is y = kx or y = k/x,

she pay for 40 party favours is 3.125

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The equation of the line passing through point (9, 3) and having a slope of 4/9 is y - 3 = (4/9)(x - 9)

An equation shows how two or more numbers and variables are related to each other.

The standard linear equation is:

y = mx + b

Where m is the rate of change and b is the y intercept

The equation of a line passing through the point (x₁, y₁) and having a slope of m is given as:

y - y₁ = m(x - x₁)

Given that a line passes through point (9, 3) and have a slope of 4/9, the equation is:

y - 3 = (4/9)(x - 9)

The equation of the line is y - 3 = (4/9)(x - 9)

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Answer:

The area is 24 inches, the perimeter is 30 inches.

Step-by-step explanation: