The equation of the graphed line in point-slope form is?, and it’s equation in slope-intercept form is?

Answer:

Option 3. 1,000 times

Step-by-step explanation:

we know that

The value of digit 8 in 82.77 is equal to 80

The value of digit 8 in 20.18 is 0.08

so

Divide 80 by 0.08

80/0.08=1,000 times

The value of the digit 8 in 82.77 is greater than and the value of the digit 8 in 20.18 by 1000.

The value of each digit in 82.77 is:

8 = tens

2 = units

7 = tenth

7 = hundredth

The value of each digit in 20.18 is:

2 = tens

0 = units

1 = tenth

8 = hundredth

The value of 8 in 82.77 is tens(10) and the value of 8 in 20.18 is hundredth (0.01).

Difference in value = 10 / 0.01 = 1000

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Answer:

Each child in Maria's party got 6 crayons more that each child in Dante's party

Explanation:

1- In Dante's party:

192 crayons are equally split among 16 children

This means that:

Each child got [tex]\frac{192}{16} = 12[/tex] crayons

2- In Maria's party:

234 crayons are equally split among 13 children

This means that:

Each child got [tex]\frac{234}{13}=18[/tex] crayons

3- getting the difference:

Difference = 18 - 12 = 6 crayons

This means that:

Each child in Maria's party got 6 crayons more that each child in Dante's party

Hope this helps :)

Answer:

  the common ratio is 1/√7

Step-by-step explanation:

The differences are not constant, but the ratio is:

  7/(7√7) = 1/√7

  √7/7 = 1/√7

The common ratio is 1/√7.

The given sequence, 7√7, 7, √7, ..., is a geometric sequence with a common ratio of √7.

A geometric sequence is a sequence of numbers in which each term is equal to the previous term times a constant value, called the common ratio. In the given sequence, we can see that each term is equal to the previous term times √7. For example, the second term, 7, is equal to the first term, 7√7, times √7. The third term, √7, is equal to the second term, 7, times √7. And so on.

To find the common ratio of a geometric sequence, we can divide any term of the sequence by the previous term. For example, we can divide the second term, 7, by the first term, 7√7, to get:

7 / 7√7 = √7

We can also divide the third term, √7, by the second term, 7, to get:

√7 / 7 = √7

In both cases, we get the same answer, √7. This tells us that the common ratio of the geometric sequence is √7.

Therefore, the answer is common ratio = √7.

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Answer:

c=100

Step-by-step explanation:

To complete the square, it would really help if the coefficient of x^2 is 1 which is so formula for c in this case is just (b/2)^2

So (-20/2)^2

simplifying gives

(-10)^2

100

c=100

Answer:

100

Step-by-step explanation:

The question is on making the equation a perfect square

Given ;

[tex]x^2 - 20x + c[/tex]

To get c;

[tex]c=(\frac{b}{2} )^2[/tex]

where ;

[tex]b= -20[/tex]

[tex]c= (\frac{-20}{2} )^2 = 10^2 = 100[/tex]

Answer:

Step-by-step explanation:

g(2) = g(–2) = g(5) is never true for the step function.  One " = " symbol per pair of g values, please.

The step function, which you're calling "g(x)," is 0 from -infinity up to but not including 0.  It's 1 from x just greater than 0 through infinity.

Thus:

g(2) = 1 because x is greater than 0.

g(-2) = 0 because x is less than 0.

g(5) = 1 because x is greater than 0.

Answer:

g(2)= 3

g(-2)= -4

g(5)= 5

For this case we have that by definition the distributive property establishes:

[tex](a + b) (c + d) = ac + ad + bc + bd[/tex]

We have the following expression:

[tex](y ^ 2 + y) (x ^ 4 + 3x ^ 3-2x ^ 3) =[/tex]

Applying the distributive property we have:

[tex]y ^ 2 (x ^ 4 + 3x ^ 3-2x ^ 3) + y (x ^ 4 + 3x ^ 3-2x ^ 3)[/tex]

So, the given example is an example of distributive property.

ANswer:

Option B

PART A (1 in diagram)

Each mapping diagram represents a function because none of the elements in the inputs maps on to two different elements in the outputs.

1. The domain of the given function f(x) is the set {10, 20, 30}.

All we can say about

[tex] {f}^{ - 1} (x)[/tex]

is that, it has a range of {10, 20, 30}.

This is because the domain of a function becomes the range of its inverse function.

2. If the graph of a function f(x) includes the point (3, 0), then the graph of the inverse function ,

[tex] {f}^{ - 1} (x) [/tex]

will contain the point (0,3).

Reason:The point on the graph of the inverse function is obtained by reflecting the corresponding point on the graph of the function in the line y=x. We just have to swap the coordinates.

In simple terms the domain of the function becomes the range of the inverse function and vice versa.

3. If the first term in an arithmetic sequence is 2.

Then we have a=2.

If the twelfth term is 211, then

[tex]a + 11d = 211...(1)[/tex]

Put a=2 into this equation.

[tex]2 + 11d = 211[/tex]

Solve for d.

[tex]11d = 211 - 2[/tex]

[tex]11d = 209[/tex]

[tex]d = \frac{209}{11} = 19[/tex]

If

[tex]a_n = 135[/tex]

then

[tex]a + (n - 1)d = 135[/tex]

Substitute a=2 and d=19

[tex]2 + (n - 1)19 = 135[/tex]

[tex]19(n - 1) = 133[/tex]

[tex](n - 1) = \frac{133}{19} [/tex]

[tex]n - 1 = 7[/tex]

[tex]n = 7 + 1 = 8[/tex]

Therefore n=8

Answer:

  c)  0.0156

Step-by-step explanation:

The general term a[n] of a geometric sequence is given in terms of the first term a[1] and common ratio r as ...

  a[n] = a[1]r^(n-1)

The given sequence has an initial term of a[1]=8 and a common ratio of 4/8=1/2. Then the general term is ...

  a[n] = 8(1/2)^(n-1)

The 10th term is then ...

  a[10] = 8(1/2)^(10-1) = 8(1/2)^9 = 8/512

  a[10] = 0.015625 ≈ 0.0156

Answer:

[tex]\text{A.}\quad\dfrac{xz}{2}[/tex]

Step-by-step explanation:

[tex]\dfrac{x^2yz}{y^2}\times\dfrac{y}{2x}=\dfrac{x^2yzy}{2xy^2}=\dfrac{1}{2}\cdot\dfrac{x^2}{x}\cdot\dfrac{y^2}{y^2}\cdot\dfrac{z}{1}\\\\=\dfrac{xz}{2}[/tex]

Answer:

C. Circumcenter

Step-by-step explanation:

Definitions:

Orthocenter is the point where the three "altitudes" of a triangle meet. An "altitude" is a line that goes through a vertex and is at right angles to the opposite side.

Incenter is the center of an inscribed circle (the circle that fits perfectly inside triangle, just touching all sides). It is where the "angle bisectors" (lines that split each angle in half) meet.

Circumcenter is the center of circumscribed circle.  It is where the "perpendicular bisectors" (lines that are at right angles to the midpoint of each side) meet.

Centroid (or center of mass) of a triangle is the point where the three medians of the triangle meet.

As you can see from the definitions, point P is circumcenter, because it is the point of perpendicular bisectors intersection.

Answer:

[tex]C=14\pi\ in[/tex]

Step-by-step explanation:

we know that the circumference is equal to

[tex]C=\pi D[/tex]

we have

[tex]D=14\ in[/tex]

substitute

[tex]C=\pi (14)[/tex]

[tex]C=14\pi\ in[/tex]

Answer:

Circumference of given circle = 14π in

Step-by-step explanation:

Points to remember

Circumference of circle = 2πr

Where 'r' is the radius of circle

To find the circumference of circle

Here diameter AB = 14 in

radius, r = 14/2 = 7 in

Circumference = 2πr

 = 2 *  * 7

 = 14π in

Therefore the correct answer is,

Circumference =  14π in

Answer:

A^2+B^2=C^2

Step-by-step explanation:

(A)^2+(B)^2+(A)+(B)+2Cos(a)=C^2

Answer:

with a ruler?

Shown below

A piecewise function is a function defined by two or more equations. In this problem, we have a function defined by two equations.

First, a quadratic equation:

[tex]x^2+2[/tex]

This is a parabola that opens upward and starts at the point [tex](-5,27)[/tex] and whose vertex is the point [tex](0,2)[/tex]. Keep in mind that [tex]x=-5[/tex] is included in the domain of the function, and we know this by the symbol ≤ that includes the equality.

Second, a linear equation:

[tex]x-4[/tex]

The graph of this is a linear function with slope [tex]m=1[/tex] and starts at the point [tex](3,-1)[/tex]. Keep in mind that [tex]x=3[/tex] is included in the domain of the function by the same symbol ≤

Moreover, at [tex]x=3[/tex] there is a jump discontinuity.

The answer would be:

Let n be "a number"

22 + 4n

Hope this helped!

~Just a girl in love with Shawn Mendes

Answer:

22+4x

Step-by-step explanation:

The number should be x as a letter symbol.

The sum should be add sign.

22+4x is the correct answer.

I hope this helps you, and have a wonderful day!

Answer:

[tex]x = 20\°[/tex]

Step-by-step explanation:

By definition we know that the sum of the internal angles of a triangle is always equal to 180 °

in this case we have a right triangle. We know that right triangles have an angle of 90 °.

So the sum of the three sides of this triangle must be equal to 180 °

So

[tex]2x + 10 + 2x + 90 = 180[/tex]

We solve the equation for the variable x.

[tex]4x +100 = 180\\4x = 180-100\\4x = 80[/tex]

[tex]x = 20\°[/tex]

Answer: x=20

Step-by-step explanation:

2x+10+2x+90=180

4x+100=180

4x=80

X=20

Answer:

  252

Step-by-step explanation:

The question is fully equivalent to asking how many subsets of length 5 there are of 10 objects (digits 0–9). That number is 10C5, where nCk is the number of ways to choose k objects from a list of 10. The value of that is ...

  nCk = n!/(k!(n-k)!)

There are 252 ways to choose 5 numbers from the digits 0-9:

  10C5 = 10!/(5!(10-5)!) = 10·9·8·7·6/(5·4·3·2·1) = 9·4·7 = 252

_____

The order of the selection doesn't matter, because the selected digits are always arranged in decreasing order to form a decreasing number.

Answer:

Could you please post a video or give more simple explanations to someone who does not have prior knowledge of such problems?

Step-by-step explanation:

Answer:

Steam boat = 20 Knots , Yacht = 40 Knots

Step-by-step explanation:

Let the distance travelled by both the boats be x

Case 1: Steamboat

Speed [tex]S_{s}=\frac{x}{5}[/tex]

Case 2 : Yacht

[tex]S_{y}=\frac{x}{2.5}[/tex]

[tex]S_{y}=\frac{2x}{5}[/tex]

Also given that speed of yacht is 20 more than that of steamboat

[tex]S_{y} -S_{s}=20[/tex]

Hence

[tex]\frac{2x}{5} - \frac{x}{5} = 20[/tex]

[tex]\frac{x}{5} = 20[/tex]

[tex]x = 100[/tex]

Hence the distance traveled is 100 naut miles

Hence

Speed of Steam boat = [tex]\frac{100}{5}[/tex]  = 20 Knots

Speed of Yacht = [tex]\frac{100}{2.50}[/tex]  = 40 Knots

Answer: C) 1/16

-1/2 • -1/2 • -1/2 • -1/2 =1/16

[tex]\left(-\dfrac{1}{2}\right)^{-4}=\left(-2\right)^{4}=16[/tex]

Answer:

  {0, 1}

Step-by-step explanation:

The x-coordinates of the points of intersection are 0 and 1. These are the solutions to f(x)=g(x).

The solution to the given system of equations is [0, 1].

A solution of a system (two equations) in two variables is an ordered pair that makes both the  equations true, that solution corresponds to the intersection point of the two equations.

According to the given question.

We have a graph for the two equations [tex]2x+2[/tex] and [tex](2)2^{x}[/tex].

From the graph we can se that both the equations or a system of equations  are coinciding from 2 to 4. And for 2 to 4 the x-coordinate is 0 to 1.

Therefore, the solution to the given system of equations is [0, 1].

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[tex]\displaystyle\\\sum_{n=1}^7(4n+2)[/tex]

Step-by-step explanation:

5 gallons 3 quarts +4 gallons 2 quarts

5.3

+

4.2

=9.5 gallons

Answer: 10 gallons and 1 quart.

Explanation: 5 gallons + 4 gallons = 9 gallons. 3 quarts + 2 quarts = 5 quarts, and 4 quarts make a gallon. So, 10 gallons and 1 quart.

Answer: Second option.

Step-by-step explanation:

Given the transformation [tex]T:(x,y)[/tex]→[tex](x+3,y+1)[/tex] for the ordered pair (4,3), you can find the preimage point through this procedure:

1) Find the x-coordinate of the preimage point. You know that:

[tex]x+3=4[/tex]

So you must solve for "x":

 [tex]x=4-3\\x=1[/tex]

2) Find the y-coordinate of the preimage point. You know that:

[tex]y+1=3[/tex]

So you must solve for "y":

 [tex]y=3-1\\y=2[/tex]

Therefore, the preimage point is: (1,2)

Answer:

[tex]y=-\frac{4}{3}x+\frac{5}{3}[/tex]

[tex]4x+3y=5[/tex]

Step-by-step explanation:

we have

[tex]y-11=-\frac{4}{3}(x+7)[/tex] -----> equation of the line into point slope form

step 1

Find the equation of the line into slope intercept form

[tex]y=mx+b[/tex]

where

m is the slope

b is the y-intercept (value of y when the value of x is equal to zero)

For x=0

[tex]y-11=-\frac{4}{3}(0+7)[/tex]

[tex]y=-\frac{28}{3}+11[/tex]

[tex]y=\frac{5}{3}[/tex]

therefore

[tex]b=\frac{5}{3}[/tex]

substitute

[tex]y=-\frac{4}{3}x+\frac{5}{3}[/tex]  ----> equation of the line into slope intercept form

step 2

Find the equation of the line in standard form

[tex]Ax+By=C[/tex]

we have

[tex]y=-\frac{4}{3}x+\frac{5}{3}[/tex]

Multiply by 3 both sides

[tex]3y=-4x+5[/tex]

[tex]4x+3y=5[/tex] ---> equation of the line in standard form

Answer:

A. Scalene, which just means three unequal sides.

Step-by-step explanation:

An equilateral triangle has three equal sides and an isosceles triangle two, so it's not those.

Obtuse means there's at least one obtuse angle, always opposite the longest side.  Here we have 10^2+12^2=244 which is greater than 15^2=225, indicating the angle opposite 15 is acute, so not this one either.

Answer:

A) Scalene triangle.

Step-by-step explanation:

We have been given that triangle CRV has side lengths that measure 10 centimeters, 12 centimeters, and 15 centimeters. We are asked to determine the type of triangle CRV.

We can see that the given measure of all sides are different. We know that a triangle is known a scalene triangle, when all its sides has different measures.

Since all the sides of triangle CRV has different measure, therefore, triangle CRV is a scalene triangle and option A is the correct choice.

Answer:

  c. 85(.60) + 87(.15) + 68(.10) + X(.15) = 78; X = 47.67

Step-by-step explanation:

The weighted average is the sum of products of score and weight. Choice C has the percentage weights properly expressed as decimal values.

___

The other equations could work if the final score of 78 were weighted by the corresponding equivalent of 100%. (X is wrong in the other choices as well.)

__

The attachment shows the "work". Given that choice C is the only correct equation, we presumed that the value of X was correct. The equation solver confirms this. If you want to do it by hand, compute the sum of products, subtract that sum, then divide by 0.15.

  X = (78 -70.85)/.15 = 7.15/.15 = 47 2/3

Answer:

The value of x = 4.1 cm

Step-by-step explanation:

From the figure we can see a circle, with chord 15.6 cm

A right angled triangle with hypotenuse 8.8 cm

To find the value of x

By using Pythagorean theorem,

Base² + Height² = Hypotenuse²

Here Base  = x, Height = 15.6/2 = 7.8 cm and Hypotenuse = 8.8 cm

x² + 7.8² = 8.8²

x² = 8.8² - 7.8²

 = 77.4 - 60.84

 = 16.56

x = √16.56 = 4.07 ≈ 4.1 cm

Therefore the value of x = 4.1 cm

Answer:

The image of point P is (1 , -1)

Step-by-step explanation:

- If point (x , y) rotated about the origin by angle 90° anti-clock wise

∴ Its image is (-y , x)

- If point (x , y) rotated about the origin by angle 90° clock wise

∴ Its image is (y , -x)

- If point (x , y) rotated about the origin by angle 180°

∴ Its image is (-x , -y)

* There is no difference between rotating 180° clockwise or  

  anti-clockwise around the origin

* Lets solve the problem

∵ P = (-1 , -1)

∵ P is rotated about the origin 90° counterclockwise

- Lets use this rule:

  If point (x , y) rotated about the origin by angle 90° counterclockwise

  then Its image is (-y , x)

∵ x-coordinate of point P = -1

∴ y-coordinate of the image of point P is -1

∵ y-coordinate of point P is -1

∴ x-coordinate of the image of point P is 1

- Lets write the image of point P

∴ The image of point P is (1 , -1)

Answer:

G(x)=(1/3x)^2

Step-by-step explanation:

Ap ex

Answer: B

Step-by-step explanation: