Hellllpp pleaseee !!!

Answer:

6345478655

Step-by-step explanation:

gfdwhdfksgfi7yegthkdsfaf

Answer:

Step-by-step explanation:

To find the slope of a line when only given two points on that line, divide the difference in the y points by the difference in the x points.

slope = (-5 - 7)/(-3 - 2) = -12/-5 = 12/5

slope = (7 - -5)/(2 - -3) = 12/

Answer:

76

Step-by-step explanation:

The formula for the area of the Trapezoid is:

\(A=\frac{a+b}{2}h=\frac{7+7}{2}2=14\)

The formula for the area of the rectangle is:

\(A=wl=6*15=90\)

Now you rest 90 - 14 and it gives you 76.

Answer:

the anwser is 10 and 12

d

d

d

Answer:

12

Step-by-step explanation:

As angle OAB =40-degree, angle AOB is 100 degrees according to the properties of circle and triangle.

Some Properties of circle are distance from center of the circle to each point on the circumstances are equal. hence, OA=OB

Diameter is twice of radius.

The triangle having two equal side length is called isosceles triangle. In the figure, triangle OAB is an isosceles as OA=OB=radius

According to the criteria of isosceles triangle angle OAB =OBA =40°

hence, angle AOB= 180 degrees - (40°+40°) [angle sum of triangle =180°]

                  angle AOB= 100 degrees.

We get, AOB = 100 degrees

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The equation of the straight line connecting these points in the form of y = mx + c is given as y = (1/2)x + 1.

The line in the slope-intercept equation is given as,

y = mx + c

where:

m = the slope of the line

c = the y-intercept

The slope m of the line connecting two points (x1, y1) and (x2, y2) is given by the formula

= (y₂ - y₁) / (x₂ - x₁)

Substituting the coordinates values of P and Q into this formula, we get

\(m = (3 - 0) / (4 - (-2))\)

= 3/6

= 1/2

Therefore, the value of the m is 1/2

We can find the value of c by substituting the m and x values in the equation. using the point P and  Substituting x and y values in the equation we get

x = - 2

y = 0  

\(0 = (1/2) × (-2) + c\)

c = 1

Therefore, the value of c is 1.

By substuting the m and c values in the standard slope-intercept formula we get y = (1/2)x + 1.

Therefore, the equation of the line connecting points P and Q is y = (1/2)x + 1.

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The number of rectangles of different sizes can be formed from 36 identical rectangles is 5

From the question, we have proofs of;

Total number of identical squares = 36

Now, let the measurement of the side of each square be 1 unit

We have that the formula for area of a square is;

Area of a square = Side × Side square units

We have the area of the square to be;

Area of each square = 1×1 = 1 square units

This is so because the rectangles are identical both in length and width

Let's find the area of the identical squares

Area of total 36 identical squares

=  36×1 square units

=  36 square units

So Area of the rectangle = length × breadth square units

if the rectangles are formed from 36 identical squares then their areas are the same

Total area of required rectangles = 36 square units

It can be written as;

36 = length × breadth

(1,36) , (2,18),(3,12),(4,9),(6,6) are the different rectangles formed from 36 identical squares

Total rectangles = 5

Thus, the number of rectangles of different sizes can be formed from 36 identical rectangles is 5

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Answer:

\(x=67.38^\circ\)

Step-by-step explanation:

Use trigonometry

Recall that cos(x)=adjacent side/hypotenuse

You can remember this with SohCahToa

Also remember that if cos(x)=y then \(cos^{-1}(y)=x\)

In this case, we know the adjacent side and hypotonous

Adjacent side=5000

Hypotenuse=13000

Therefore

\(Cos(x)=\frac{5000}{13000}=\frac{5}{13}\)

Now to solve for x, take the inverse cosine

\(cos^{-1}(\frac{5}{13})=x=67.38^\circ\)

Answer:

x=67.38

Step-by-step explanation:

I took the quiz and got it correct!

9514 1404 393

Answer:

Step-by-step explanation:

The given relations give rise to two equations:

  b = g + 5

  b + g = 21

Using the first to substitute for b in the second, we have ...

  (g +5) +g = 21

  2g = 16 . . . . . . . subtract 5

  g = 8 . . . . . . . . . divide by 2

  b = 8 +5 = 13

Ben got 13 presents; Gwen got 8.

The solution to the system of equations is (-6, -9).

Given y=2x+3,

we are to find the solution to the system of equations.

In order to find the solution to the system of equations,

we require another equation in the system.

The system of equations is:

y = 2x + 3 ...

(1)Let's assume another equation:y - 3x = 9 ...

(2)The given system of equations is:

y = 2x + 3 ... (1)y - 3x = 9 ...

(2)Substituting equation (1) into equation (2), we get:

(2x + 3) - 3x = 9 => -x + 3 = 9 => -x = 9 - 3 => -x = 6 => x = -6

Therefore, substituting this value of x in equation (1), we get:

y = 2x + 3 => y = 2(-6) + 3 => y = -12 + 3 => y = -9

Therefore, the solution to the given system of equations is (-6, -9).

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A $100 bill and a dime differ by a magnitude of 3.

Orders of magnitude can be used in order to define large quantities efficiently and more easily. A dime is a currency used in the US that is equivalent to 0.10 dollars.

So we can represent a dime as 10-¹ of a dollar

and we can write 100 dollars as 10² of a dollar.

Therefore the difference in the order of magnitude of 100 dollars and a dime would be the difference between the powers or exponents of those two quantities,

That is,

2-(-1) = 3

So, the dollar differs by a magnitude of 3 from a dime.

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<x = 0 + 2t, y = 15 - 3t, z = -6 + 7t> is the vector parametric equation of the line parallel to the given one and that passes through the point (0, 15, −6).

According to the statement

we have to find that the vector equation with the help of the given line equation and the points.

So, For this purpose, we know that the

A vector equation is an equation involving a linear combination of vectors with possibly unknown coefficients.

And the given points is (0, 15, −6) and the lines

x = −1 + 2t,

y = 6 − 3t,

z = 3 + 7t

From these equation of lines:

Let a = -1 and b = 6 and c = 3

Then

Now, if we want this line to pass through the point (0, 15, -6), then we can replace the correspondent values in the constant term for each equation:

So, Put it in the given equations then

x = 0 + 2t and y = 15 - 3t and z = -6 + 7t

and the vector equation become

<x = 0 + 2t, y = 15 - 3t, z = -6 + 7t>

So, <x = 0 + 2t, y = 15 - 3t, z = -6 + 7t> is the vector parametric equation of the line parallel to the given one and that passes through the point (0, 15, −6).

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Answer: Part A: The graph shows a negative relationship between the temperature of the city and the number of popsicles sold. As the temperature increases, the number of popsicles sold decreases.

Part B: To make the line of best fit, we need to draw a line that comes closest to the data points. We can find the slope and y-intercept of the line by using two of the data points on the graph. Let's choose the points (90, 20) and (40, 10).

Slope = (change in y) / (change in x) = (20 - 10) / (90 - 40) = 0.2

To find the y-intercept, we can use the slope-intercept form of a line: y = mx + b, where m is the slope and b is the y-intercept. Let's use the point (90, 20) and plug in the slope we just found:

20 = 0.2(90) + b

b = 2

Therefore, the approximate slope of the line of best fit is 0.2 and the approximate y-intercept is 2.

Step-by-step explanation:

The loan payment of $130 per month for 180 months will be 3.9% of Jakobe's salary .

In the question ,

It is given that

Jakobe earns biweekly gross pay = $1592.

means in 2 weeks Jakobe earns = $1592

In 4 weeks (1 month) Jakobe earns = $1592+$1592

                                                          = $3184

So Jakobe salary for 180 months will be = 3184 × 180

                                                                   = $573120

Laon payments for 1 month = $130

Loan amount for 180 months = 130 × 180

                                                = $23400

So , the percent of salary Jakobe will pay as loan

       = (Loan amount)/(Jakobe Salary) × 100

Substituting the values we get ,

= 23400 / 573120 × 100

= 0.039 × 100

= 3.9

≈ 3.9%

Therefore , the loan payment of $130 per month for 180 months will be 3.9% of Jakobe's salary .

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The y-values are changing at a rate of 24 units per second at the point Q(1, 8).

To find how fast the y-values are changing at the point Q(1, 8), we need to calculate the derivative of the given equation with respect to x. The derivative of y = x^3 + x^2 + 6 is dy/dx = 3x^2 + 2x.

At the point Q(1, 8), we substitute x = 1 into the derivative to find the rate of change.

dy/dx = 3(1)^2 + 2(1) = 3 + 2 = 5.

Therefore, the y-values are changing at a rate of 5 units per second at the point Q(1, 8). However, the rate at which the x-values are changing is given as 2 units per second.

Thus, to determine how fast the y-values are changing with respect to time, we multiply the rate of change in y by the rate of change in x: 5 units/second * 2 units/second = 10 units/second. Hence, the y-values are changing at a rate of 10 units per second at the point Q(1, 8).

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Answer:

pls is this a question or not.

Answer:

B. 3.5

Step-by-step explanation:

2inch×3inch×7ft=board ft

2×3=6inch

7ft=84

6×84=504

504inch³=3.5board ft

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Hello, I am Alyssa Ann Verrett.

Put the numbers in order:

City A: {2, 3.5, 4, 4, 5, 5.5}

City B: {3.5, 4, 5, 5.5, 6, 6}

a)

The mean monthly rainfall amount for city A: 4 in;

The mean monthly rainfall amount for city B: 5 in;

b)

The MAD monthly rainfall amount for city A: 0.8 in;

The MAD monthly rainfall amount for city B: 0.8 in;

c)

The median monthly rainfall amount for city A: 4 in;

The median monthly rainfall amount for city A: 5.25 in;

Step-by-step explanation:

a) The general definition of mean of a set X is:

mean = (x₁ + x₂ + x₃ + ... xₙ)/n

For City a:

mean = (4+3.5+5+5.5+4+2)/6 = 4

For City b:

mean = (5+6+3.5+5.5+4+6)/6 = 5

b) The general definition of mean absolute deviation of a set X is:

MAD = (|x₁-mean| + |x₂-mean| + |x₃-mean| + ... + |xₙ-mean|)/n

For City a:

MAD = ( |4-4| + |3.5-4| + |5-4| + |5.5-4| + |4-4| + |2-4| )/6 = (0 + 0.5 + 1 + 1.5 + 0 + 2)/6 = 5/6 =0.8

For City b:

MAD = ( |5-5| + |6-5| + |3.5-5| + |5.5-5| + |4-5| + |6-5| )/6 = (0 + 1 + 1.5 + 0.5 + 1 + 1)/6 = 5/6 = 0.8

c) The general definition of median depends on the quantity of elements in the set X and it represents the middlemost value of the set:

When the quantity is odd:

median= x₍ₙ₊₁₎/₂

When the quantity is even:

median= (xₙ/₂ + x ₙ₊₂/₂) /2

For City A:

median = 2, 3.5, 4, 4, 5, 5.5 = (4 + 4) / 2 = 4

For City B:

median = 3.5, 4, 5, 5.5, 6, 6 = (5 + 5.5) / 2 = 5.25

The area of a circle is given by:

Where π ≅ 3.14 and d is the diameter of the circle.

Now, a semi-circle is a half of a circle, so its area is half of the area of the complete circle:

Replacing the value d = 14 in the last formula, we get:

Answer

The area of a semicircle with a diameter d =14 is approximately 76.97 units square.

Answer:

-1

Step-by-step explanation:

4x + 13 = 9

4x + 13 - 13 = 9 -13

4x = -4

-4/4 = -1

X = -1

Answer:

-1.

Step-by-step explanation:

4x + 13 = 9

4x =  9 -13

4x = -4

x = -4/4

X = -1

The descriptive statistic that can be used to estimate the percentage of all taxpayers who file electronically is the sample proportion, which is 67.1%.

To estimate the percentage of all taxpayers who file electronically based on the survey results, we can calculate the sample proportion.

The sample proportion is obtained by dividing the number of individuals in the sample who exhibit the desired characteristic (in this case, those who planned to file their taxes electronically) by the total sample size.

Given:

Number of individuals in the sample who planned to file electronically (desired characteristic): 684

Total sample size: 1021

Sample proportion (p) = Number of individuals with the desired characteristic / Total sample size

p = 684 / 1021

To estimate the percentage, we multiply the sample proportion by 100:

Percentage estimate = p × 100

Percentage estimate = (684 / 1021) × 100

=67.1%

Therefore, the descriptive statistic that can be used to estimate the percentage of all taxpayers who file electronically is the sample proportion, which is approximately 67.1%.

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A random telephone survey of 1021 adults (aged 18 and older) was conducted by Opinion Research Corporation on behalf of CompleteTax, an online tax preparation and e-filing service. The survey results showed that 684 of those surveyed planned to file their taxes electronically (CompleteTax Tax Prep Survey 2010). Develop a descriptive statistic that can be used to estimate the percentage of all taxpayers who file electronically.

Answer:

mode = 1 , median = 2 and mean = 3

Step-by-step explanation:

Here, we want to get the mean , median and the mode

1. Mode

The mode deals with the number which has the highest frequency. Looking at the table, the number with the highest frequency is 1

2. Median

The median deals with the middle number, given that the numbers were arranged from lowest to highest or highest to lowest. The count of frequency is 15 and this mean that the middle number is the 8th term.

With the given arrangement, The 8th term falls within the number 2

3. Mean

The mean is the average. The arithmetic mean is the sum of the numbers divided by their count

the sum of the numbers is;

1(7) + 2(3) + 3(1) + 5(2) + 8(1) + 11(1) = 45

The count of the numbers is the sum of the frequencies = 15

the mean is thus;

45/15 = 3

So therefore;

mean = 3

mode = 1

median =2

Answer:

The y-intercept is -58

The equation is y=7x-58

Step-by-step explanation:

We'll look for an equation of the form y=mx+b, where m is the slope and b the y-intercept (the value of y when x is 0).

We are given the slope and one point on a line.  The slope, m, of 7 leads us to:

    y=7x+b

We need a value for b that will force the line to go through point (4,-30).  Enter that point in the above equation and solve for b:

  y = 7x+b

  -30 = 7(4)+b  for point (4,-30)

  -30 =  28 + b

      b = -58  [b is the y-intercept]

The equation is y = 7x-58

See the attached graph.

Answer:

-8

Step-by-step explanation:

a negative number multiplied by a positive one gives as a result a negative number

-2 x 4 = -8

Answer:

(1.5, - 0.5 )

Step-by-step explanation:

Given the 2 equations

2x + 4y = 1 → (1)

3x - 5y = 7 → (2)

Multiplying (1) by 3 and (2) by - 2 and adding will eliminate the x- term

6x + 12y = 3 → (3)

- 6x + 10y = - 14 → (4)

Add (3) and (4) term by term to eliminate x

22y = - 11 ( divide both sides by 22 )

y = - 0.5

Substitute y = - 0.5 into either of the 2 equations and solve for x

Substituting into (1)

2x + 4(- 0.5) = 1

2x - 2 = 1 ( add 2 to both sides )

2x = 3 ( divide both sides by 2 )

x = 1.5

Solution is (1.5, - 0.5 )

Answer: the equation is

y=-2/7x +52/7 and the slope is -2/7

Step-by-step explanation:

The possible numbers of hours Keith could trim trees, is 8 hours

In the given question we have to find the possible numbers of hours Keith could trim trees.

Keith wants to earn more than $53 trimming trees.

He charges $7 per hour.

He pays $3 in equipment fees.

We have to find total hours he have to work.

Suppose possible number of hours dan could trim the tree = t.

So according to question

t×7-3 ≥ 53

Simplifying

7t-3 ≥ 53

Add 3 on both side, we get

7t ≥ 53+3

7t ≥ 56

Divide by 7 on both side, we get

t ≥ 8

Hence, the possible numbers of hours Keith could trim trees, is 8 hours.

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Answer:

The slope is the same since they are parallel. The only thing that should be different is the 8 at the end should be any other number.

Step-by-step explanation: