write each polynomial in standard form. Then give the leading coefficient. You may need to combine like terms before writing the polynomial in standard form.

18y^5-3y^8+10y

There are two(2) possible solutions for the given parameters of a triangle. Using the law of cosines, the parameters of the triangle are calculated.

The law of cosines is used to relate the angles and side lengths of a triangle.

They are given as follows:

a² = b² + c² -2bc cos(A)

b² = a² + c² - 2ac cos(B)

c² = a² + b² - 2ab cos(C)

The given triangle has B = 37°, a = 32 and b = 27

So, using the law b² = a² + c² - 2ac cos(B)

On substituting,

27² = 32² + c² - 2(32)c cos(37°)

⇒ c² - 50.56 c + 1024 = 729

⇒ c² - 50.56 c + 295 = 0

Since the obtained equation is quadratic, it has 2 solutions.

Using quadratic formula the solutions are calculated.

c = [50.56 ± [tex]\sqrt{50.56^2-4(1)(295)}[/tex]]/2(1)

On simplifying,

c = 43.8 and c = 6.7

Therefore, there are 2 possible solutions for the given triangle.

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Answer:

200miles

Step-by-step explanation

4 x 50 = 200

As for the table, just multiply each inch by 50.

For example; 7in = 350 miles because 7x50 = 350

The value of the variable x equation 0.2x+0.2+0.5x=-0.3x+1.2 is x=1.

Given a linear equation 0.2x+0.2+0.5x=-0.3x+1.2

Equation is a combination between two or more variables which is usually expressed in equal to form. Equation of two variable looks like ax +by=c. It is solved to find the quantity of x.

Given equation is as under:

0.2x+0.2+0.5x=-0.3x+1.2

It is a linear equation and will have only 1 solution. Linear equation is a equation which is having a straight line graph.

Adding the coefficients of variable

0.7x+0.2=-0.3x+1.2

Take -0.3 to other side

0.7x+0.3x=1.2-0.2

Adding the coefficients of variables

x=1

Hence the value of x in the equation 0.2x+0.2+0.5x=-0.3x+1.2 is x=1.

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Answer:

The line has a downward slope

Step-by-step explanation:

If y = ax, it means that a represents the slope of the line. So, if A is negative, the line has a downward slope. In other words, for every increase in the value of x, there is a decrease in the value of y (increase in the negative direction). You can imagine the line y = -x, where the value of a is -1. When x is 1, y is -1; when x is 2, y is -2; when x is 5, y is -5. You can imagine that the graph looks like a diagonal line, much like y = x, except the function values are positive in the second quadrant and negative in the fourth (it slants downward to the right side). I hope that answers your question.

Answer:

No, it will not pass specifications.

Step-by-step explanation:

It says that the max slope of the wheelchair ramp should be 1/12.

To calculate slope, you do rise over run or y values over x values. In this case, the rise over run is 5/50. 5/50 simplifies to 1/10.

1/10 > 1/12, meaning that it is more than the maximum slope.

Using it's concept, the mean amount of precipitation (in inches) on March 9 for the areas listed the table was of:

C. 1.56.

The mean of a data-set is given by the sum of all observations in the data-set divided by the number of observations.

The observations given in the problem are:

0.45, 0.63, 1.34, 3.53, 2.57, 0.84.

Hence the mean is:

M = (0.45 + 0.63 + 1.34 + 3.53 + 2.57 + 0.84)/6 = 1.56.

Which means that option C is correct.

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Step-by-step explanation:

simple answer mate..

under root 2 is right because angle are same.. option d

Answer:

√2

Step-by-step explanation:

Angle ( θ ) = 45

Hypotenuse side = 2

Opposite side = x

Formula : -

sin θ = Opposite side / Hypotenuse side

Note :

The value of sin 45 = 1/√2

sin 45 = x/2

1/√2 = x/2

Cross multiply,

x*√2 = 2*1

x√2 = 2

2 can be simplified as √2 * √2

x√2 = √2*√2

Divide √2 on both sides,

x = √2

Answer:

0.5

one divide by two is zero point five

[tex]\frak{Hi!}[/tex]

[tex]\orange\hspace{300pt}\above2[/tex]

                   We need to find the decimal form of [tex]\boldsymbol{\sf{\displaystyle\frac{1}{2}}}[/tex].

                  But first we need to convert it into a fraction whose

                   denominator is 10, or 100, or 1,000, etc.

                   The closest number that's divisible by 2 is 10.

                   So that's the new denominator of the fraction.

                   Now we should also multiply the top times the number

                   that we multiplied the bottom by. See how this works?

                   [tex]\boldsymbol{\sf{\displaystyle\frac{1\times5}{2\times5}}}[/tex]. This yields

                  [tex]\boldsymbol{\sf{\displaystyle\frac{5}{10}}}[/tex]. And 5/10 in decimal-form yields

                  [tex]\boldsymbol{\sf{0.5}}[/tex].

               [tex]\orange\hspace{300pt}\above3[/tex]  

               [tex]\LARGE\boldsymbol{\sf{calligraphy}}[/tex]

Answer: B

Step-by-step explanation:

A quadratic equation in the form of ax²+bx+c. The zeroes of the polynomial are -2.4 and -7.5.

A quadratic equation is an equation whose leading coefficient is of second degree also the equation has only one unknown while it has 3 unknown numbers. It is written in the form of ax²+bx+c. The Root of the quadratic equation are given as,

[tex]x = \dfrac{-b\pm\sqrt{b^2-4ac}}{2a}[/tex]

The zeroes of the polynomial are:

f(x)=x² + 9.9x + 18

0 = x² + 9.9x + 18

[tex]x= \dfrac{-9.9\pm \sqrt{(9.9)^2-4(1)(18)}}{2(1)}\\\\[/tex]

x = -2.4, -7.5

Hence, the zeroes of the polynomial are -2.4 and -7.5.

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The point estimation based on the given interval limits is 0.706.

The use of sample data to compute a single value that will serve as a "best guess" or "best estimate" of an unknown population characteristic is referred to as point estimation.

The point estimation based on the given interval limits is,

Point Estimate = (0.688+0.724)/2 = 0.706

Hence, The point estimation based on the given interval limits is 0.706.

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The solution to the given inequality will be x ≤ -2 and x > -5

Inequality are expressions not separated by an equal sign

Given the expression below

2≤-4-3x<11

Split

2≤-4-3x and -4-3x<11

Solve both inequalities

-4-3x≥2

-3x ≥ 6

x ≤ -2

Similarly

-4-3x<11

-3x < 15

x > -5

The solution to the given inequality will be x ≤ -2 and x > -5

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Answer:

17.25

Step-by-step explanation:

Inequalities help us to compare two unequal expressions. The value of x must be less than -19/13.

Inequalities help us to compare two unequal expressions. Also, it helps us to compare the non-equal expressions so that an equation can be formed. It is mostly denoted by the symbol <, >, ≤, and ≥.

The given inequalities can be simplified as,

1.)

−9x+2>18

−9x>18-2

−9x>16

x < -16/9

Thus, the value of x must be less than -16/9.

2.)

13x+15≤−4

13x ≤ -19

x ≤ -19/13

Thus, the value of x must be less than -19/13.

For the given condition −9x+2>18 OR 13x+15≤−4, the value of x must follow any one of the inequality. Hence, the value of x must be less than -19/13.

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When drawing the stretch-out arc for the pattern of a cone fitting, the radius should be equal to the true length of the side.

The 3 tactics typically used in developing patterns are parallel-line, radial-line, and triangular improvement.

To make such objects, a drafter has to first draw them as a pattern or pattern improvement. A pattern improvement additionally known as a stretch out or simply an improvement is a format of an object made on a single flat aircraft.

In radial traces, we develop styles for shapes that have a taper, all element lines (bends) should radiate returned to a not unusual factor, a radius point. We want matters for this procedure to paintings: A radius factor is in the center (right cone). A radius point is inside an inexpensive distance.

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The equation represents the intersections. The correct option is A:

If we have two functions:

y = f(x) and y = g(x), the equation:

f(x) = g(x) gives the value of x such that the two functions have the same output. So, that equation gives the intersection points between the two graphs.

By looking at the graph, we can see that we have two intersections, one at:

(2, 0) and other at (0, 4).

This means that:

So the correct option is the first one.

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The graph that represents the exponential function [tex]y = 8\left(\frac{1}{3}\right)^x[/tex] is given at the end of the answer.

An exponential function is modeled by:

[tex]y = ab^x[/tex]

In which:

In this problem, the function is:

[tex]y = 8\left(\frac{1}{3}\right)^x[/tex]

It has an initial value of 8 and rate of change of 1/3, as shown in the graph given at the end of the answer.

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Answer:

Step-by-step explanation:

Answer:

Option C

Step-by-step explanation:

We can see that these two triangles are similar triangles. And based on the sides we also know triangle ZXY and triangle FDE have a ratio of 3:2. We can find side x by the equation:

3:2=9:x

3x=18

x=6 or option C

Answer:

C.6

Step-by-step explanation:

12x=8

x=8/12=2/3

2/3*9=18/3=6

The measure of angle x that is formed around a point is: 145°.

The measure of the angle around a point equals 360 degrees.

The the angles formed by the fork in the road equals 360 degrees.

Therefore, we would have the following equation:

x + 165 + 50 = 360

x + 215 = 360

Subtract both sides by 215

x = 360 - 215

x = 145°

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The statement which best describes the similarity of the two triangles is; Choice D; There is not enough information to determine whether the triangles are similar.

The two triangles given in the task content are expected to be assessed to determine if they are similar.

From the concept of congruence in triangles, two triangles are congruent only if all 3 angle measures in one are similar to that in the other, or if the ratio of all corresponding pairs of sides are equal.

Hence, since neither of the conditions is satisfied by the information given, it follows that Choice D is correct.

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The dependent variable in the given research description is sleep quality.

Given variables :1) participants, 2) sleep quality, 3) organic cotton shirts and organic linen shirts, 4) different clothing materials.

We have to identify the dependent variable among all the variables.

Dependent variable is a variable whose quantity depends on other variables.

Independent variable is a variable whose value does not depend on other variables.

In the given research there are four variables:

1) participants,

2) sleep quality,

3) organic cotton shirts and organic linen shirts,

4) different clothing materials.

Among all these sleep quality is a dependent variable because it depends on the quality of clothes whether they or organic shirts or organic linen shirts.

It may be possible that some people get quality sleep in organic cotton shirts and some may get in organic linen shirts.

Hence the dependent variable is sleep quality.

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Answer:

7.25

Step-by-step explanation:

Simplify

36x = 261

Divide both sides by 36

x = 261/36

Simplify

x = 7.25

Hope this helps!

Answer:

7.25 or 7[tex]\frac{1\\}{4}[/tex]

Step-by-step explanation:

261 ÷ 6 ÷ 6 = 7.25

The statistical test which can be used to analyze the data is chi square test.

Given two categories of tomatoes , one is red and other one is green.

When we want to compare more than two categorical variables, we can use the chi-square test. The main objective of chi square test is to compare the distribution of responses or the proportions of participants in each response category. This test does not require mean, standard deviation or anything. In the given problem we have not given sample mean, population mean, population standard deviation, etc. So we cannot use z test, t test, f test because they require sample mean, population mean , standard deviation in their calculation. The formula to be use in chi square test is as under:

[tex]X^{2}=[/tex]∑[tex](f_{0} -f_{e}) ^{2} /f_{e}[/tex]

where [tex]f_{0}[/tex]= observed frequency of each of response category.

[tex]f_{1}[/tex]=expected frequency in each of the response categories.

We can find the critical value in a table of probabilities for the chi square distribution with degree of freedom df=K-1.

Hence we can use chi square test to analyze the data.

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If triangle RST and RZX are similar then the perimeter of triangle RZX is 150 units.

Given triangle RZX and RST are similar and RZ=28, RY=40,ZY=16 and SW=24.

In the similar triangles the ratio of sides are in proportion to the sides of other triangle.

The ratio of ZY to SW is 16:24 meaning it is 2:3. So all the sides of RST are 1.5 times as long as RZX.

RZ=28 so RS=28*1.5=42

RX=40 so RT=40*1.5=60

ZX=ZY+XY and since they are the of the same length , ZX=32 (ZY given)

Then ST=48

Perimeter of a triangle is the sum of sides of the triangle.

Perimeter of RST=RS+ST+RT

=42+60+48

=150

Hence the perimeter of triangle RST is 150 units.

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Question is incorrect as it should be as under:

Given the following information, calculate the perimeter of triangle RST. Assume triangle RZX is similar to RST. RZ=28, RY=40, ZY=16 and SW=24.

Figure should also be given.

Answer:

================

Add 2 to both sides of equation:

Then follow the steps:

Take square root of both sides to get:

We are taking the positive value as we are told x > 0, hence the answer is 7.

[tex] \qquad \qquad \bf \huge\star \: \: \large{ \underline{Answer} } \huge \: \: \star[/tex]

[tex]\textsf{ \underline{\underline{Steps to solve the problem} }:}[/tex]

[tex] \qquad❖ \: \sf \: {x}^{2} + \cfrac{1}{ {x}^{2} } = 47[/tex]

[tex] \qquad❖ \: \sf \: {x}^{2} + \cfrac{1}{ {x}^{2} } + 2 - 2 = 47[/tex]

( adding and subtracting 2, doesn't change the value )

[tex] \qquad❖ \: \sf \: {x}^{2} + \cfrac{1}{ {x}^{2} } + 2 = 47 + 2[/tex]

[tex] \qquad❖ \: \sf \: {x}^{2} + \cfrac{1}{ {x}^{2} } + \bigg(2 \sdot x \sdot \cfrac{1}{x} \bigg) = 49[/tex]

( x cancel out, so no change in value )

[tex] \qquad❖ \: \sf \: \bigg(x + \cfrac{1}{x} \bigg) {}^{2} = 49[/tex]

( use identity a² + 2ab + b² = (a + b)² )

[tex] \qquad❖ \: \sf \: \bigg(x + \cfrac{1}{x} \bigg) {}^{} = \sqrt{49} [/tex]

[tex] \qquad❖ \: \sf \: x + \cfrac{1}{x} {}^{} = \pm7[/tex]

since we have to take positive value, i.e greater than 0

[tex] \qquad❖ \: \sf \: x + \cfrac{1}{x} {}^{} = 7[/tex]

[tex] \qquad \large \sf {Conclusion} : [/tex]

Therefore, the required value is 7

There are

[tex]\dbinom{2n}2 = \dfrac{(2n)!}{2! (2n-2)!}[/tex]

ways of pairing up any 2 members from the pool of [tex]2n[/tex] contestants. Note that

[tex](2n)! = 1\times2\times3\times4\times\cdots\times(2n-2)\times(2n-1)\times(2n) = (2n-2)! \times(2n-1) \times(2n)[/tex]

so that

[tex]\dbinom{2n}2 = \dfrac{(2n)\times(2n-1)\times(2n-2)!}{2! (2n-2)!} = \boxed{n(2n-1)}[/tex]

The number of different ways in which first-round matches can be conducted is n (2n - 1).

We have,

Number of contestant = 2n

Number of contestants in each match = 2

Now,

The number of different ways in which first-round matches can be conducted.

A combination formula is used.

= [tex]^{2n}C_2[/tex]

= 2n! / 2! (2n - 2)!

= 2n (2n - 1)(2n - 2)! / [2 x (2n - 2)!]

= 2n (2n - 1) / 2

= n (2n - 1)

Thus,

The number of different ways in which first-round matches can be conducted is n (2n - 1).

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Answer:

y-intercept = -3

another point on the line = (6,-1)

Step-by-step explanation:

1. Underline important parts of the question (slope of 1/3, point (3, -2))

2. mark the point that is given (3, -2)

3. slope form is rise over run which basically means that the number one is how much the line rises, and the number three is how much the line goes to the right (since the slope is positive then it runs to the right, if it was negative it would go to the left.) Basically 1/3 = rise over run

4. put your pencil on the point (3, -2) and go up one point and over three points. continue doing so from each new point (two or three points is good enough)

5. take a ruler and draw a line that connects all three and keep it going until it crosses the y- axis (which is the vertical line)

6. the point that crosses through the y -axis is the y-intercept.

7. now you can go and look at your points that you have made and choose one of them to answer the question with

(I hope this cleared it up a bit I'm not very good at explaining things this is the best I can do)

The vertex form of the Quadratic equation is y =  [tex](x-3)^{2}[/tex] +5. The vertex is (3, 5), which is a maximum point.

A quadratic equation is an algebraic equation with the power of its variable 2.

it can be written in standard form which is called vertex form or in the general form.

Analysis:

y = [tex]x^{2}[/tex] -6x +14

y = [tex]x^{2}[/tex] -6x +9 +5

Simplifying this perfect square expression y = [tex]x^{2}[/tex] -6x +9

y  = [tex]x^{2}[/tex] -3x -3x +9

y = x(x-3) -3(x-3) + 5

y = (x-3)(x-3) +5

y = [tex](x-3)^{2}[/tex] + 5

In conclusion, the Vertex form of the equation is y = [tex](x-3)^{2}[/tex] + 5

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