In this diagram, ABAC – AEDF. If thearea of ABAC = 6 in2, what is thearea of AEDF?DE2 inFB3 inСArea = [?] in?Enter a decimal rounded to the tenths.

In This Diagram, ABAC AEDF. If Thearea Of ABAC = 6 In2, What Is Thearea Of AEDF?DE2 InFB3 InArea = [?]

Answers

Answer 1

Answer:

8/3 square inches

Explanation:

First, we need to get the height of the triangle BAC

Area of triangle = 1/2 * base * height

6 = 1/2 * 3 * height

12 = 3 * height

Height = 12/3

The height of triangle BAC is 4inches

Next is to get the height of EDF. Since they are both similar hence;

2/3 = h/4

3h = 2 * 4

3h = 8

h = 8/3

h = 8/3in

Hence the height of triangle EDF is 8/3in

Get the area of triangle EDF

Area of triangle EDF = 1/2 * 2 * 8/3

Area of triangle EDF = 8/3 square inches

Hence the area of triangle EDF is 8/3square inches


Related Questions

The length of the smaller rectangle is 8 inches and the width is x inches. The length of the larger rectangle is 10 inches and the width is 5 inches. What is the width of the smaller rectangle?

Answers

The width of the smaller rectangle is 4 inches.

What is the width of a rectangle?

A rectangle has four sides, but because the sides are paired, it only has two distinct dimensions. The width is traditionally the shortest of these two dimensions, but when the rectangle is shown lying on its side, the horizontal side is commonly referred to as the width.

Given:

The dimensions of the smaller rectangle are:

Length = 8 inches

Width = x inches

The dimensions of the larger rectangle are:

Length = 10 inches

Width = 5 inches

Using proportion we determine the value of x,

[tex]\frac{8}{x} = \frac{10}{5}[/tex]

Cross-multiply the terms,

8 × 5 = 10x

x = 40/10 = 4

Therefore, the width of the smaller rectangle is 4 inches.

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What is the fewest number of points you must plot in order to have examples of all four sets of​ numbers, including at least one positive and one negative​ integer? Explain.


To which sets do positive integers​ belong? Select all that apply.

A.

Integers

B.

Natural numbers

C.

Whole numbers

D.

Rational numbers

Answers

1) Two points are the minimum number of points that need to be plotted to have instances of all four groups of numbers.

2) The sets that positive integers belong to among the available are;

possibilities

Choices A, B, C, and D

1) There are two basic categories into which numbers are often divided:

- Rational numbers

- Irrational numbers

The four examples above are all different categories of rational numbers.

Positive integers are now by definition also known as whole numbers and natural numbers. Whole numbers and natural numbers can therefore be displayed in one graphic.

Since integers may be both positive and negative, as well as include fractions, another plot will be needed to display them.

In order to plot the fewest number of points necessary to provide examples for each of the four sets of numbers

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11) At bank B, The value of us $700
is Bds $1.386. Calculate the
value of US $1.00 in BD $ at
this bank.

Answers

Answer:

Bds $ 1.98

Step-by-step explanation:

1386 bds / $ 700   *  $ 1 = 1.98 Bds

what are possible dimensions of the rectangular area at the right

Answers

The expression used to depict area will be 9 / (3x - 1).

A rectangle may be defined as a closed figure with four sides and four interior angles. The interior angles are 90°.

The given expression for area = 27x - 9

Factorize 27x - 9

Taking 9 as greatest common factor outside, we get

27x - 9 = 9(3x - 1)

We know that the area of rectangle with dimensions length by breadth is given by:-

Area = Length x Breadth

Hence, the possible dimensions of the rectangle will be 9 / (3x - 1).

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Complete Question:

What are possible dimensions of the rectangular area at the right? if area is 27x-9.

how many integers are from 31 to 40

Answers

The number of integers from 31 to 40 is 10

What are integers?

Integers are the set of positive whole numbers and negative whole numbers including zero. Examples are 5, 81, -56, 9, -2, 0, 17 etc.

From the question, we are to determine the number of integers there are from 31 to 40.

First, we will list all the whole numbers from 31 to 40.

The whole numbers from 31 to 40 are

31, 32, 33, 34, 35, 36, 37, 38, 39, and 40.

All of these numbers are positive whole numbers. Thus, they are integers.

The number of integers listed above is 10.

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What is a ratio? And how do I find one if for example I had 4 and 6 ?

Answers

Ratio means the quantitative relation between two amounts showing the number of times one value contains or contained in order

example 4 and 6

for example

if we have 4 men and 6 women

we can say the ratio of men to women is 4 to 6

that is 4 : 6

and ratio can also means division

for 4 and 6

= 4 / 6

= 2 / 3

= 2 : 3

that is, for every 2 men we have 3 women

Given h(x) = –x – 3, find h(-6).

Answers

To find h(-6), replace x = -6 into the function, as follows:

h(x) = -x - 3

h(-6) = -(-6) - 3

h(-6) = 6 - 3

h(-6) = 3

Already got b I just need a

Answers

[tex]y=14x[/tex], where x is the number of gallons used and y is the distance driven in miles.

I know it's hard but I beg you for help!

Answers

Answer:

use ASA

Step-by-step explanation:

since D=B, AB║CD

angle DEC=AEB (vertical angles)

AE=EC (given)

Jackson is comparison shopping for orange juice. He created a table to help him decide which package was the best deal.

Answers

Verify

REmember that the best deal is the deal with the less unit rate

so the order is

89 0z bottle is the best deal

64 oz cartoon

59 oz bottle

case of 24 10 oz bottles

10 oz bottle

therefore

Jason is not correct

Brainliest if solved correctly

Answers

Answer:

1

Step-by-step explanation:

when there is no number, they are always 1.

1 multiplied by itself is always 1, so 1/1 is 1.

Hope this helps!

btw, brainliest if correct, ty!

Answer/Step-by-step explanation:

Simplify

 x⁻⁵

-------

 y³

Since the x on top has a negative exponent it must go down to the denominator.

So the answer would be:

 1

-------

x⁵y³

I hope this helps!

find the slope of the line that passes through (1,5) and (9,8)

Answers

The slope of the line that passes through the points (x1, y1) and (x2, y2) is computed as follows:

[tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]

In this case, the line passes through the points (1,5) and (9,8)​, then its slope is:

[tex]m=\frac{8-5}{9-1}=\frac{3}{8}[/tex]

What is the graph of the solution to the following compound inequality?5x - 1 < 19 and -3- X+1s1

Answers

on5x - 1 < 19

To solve this inequality add 1 to both sides

[tex]\begin{gathered} 5x-1+1<19+1 \\ 5x<20 \end{gathered}[/tex]

Now divide both sides by 5

[tex]\begin{gathered} \frac{5x}{5}<\frac{20}{5} \\ x<4 \end{gathered}[/tex]

The solutions lie in the area left to the number 4

For the second inequality

[tex]-3-x+1\leq1[/tex]

Add first we will add the like terms in the left side

[tex]\begin{gathered} (-3+1)-x\leq1 \\ -2-x\leq1 \end{gathered}[/tex]

Now add 2 for both sides

[tex]\begin{gathered} -2+2-x\leq1+2 \\ -x\leq3 \end{gathered}[/tex]

We need to divide both sides by -1, but we should reverse the sign of inequality

[tex]\begin{gathered} \frac{-x}{-1}\ge\frac{3}{-1} \\ x\ge-3 \end{gathered}[/tex]

We reversed the sign of inequality when divides it by -ve number

Since 2 < 3

Then if we divide both sides by -1, then it will be

-2 < -3 which is wrong -2 greater than -3, then we should reverse the sign of inequality if we multiply or divide it by a negative number

Then the solutions of the 2nd inequality lie right to -3

Let us draw them

The red part is the solution to the 1st inequality

The blue par is the solution to the 2nd inequality

The area with the 2 colors is the area of the common solution of both inequalities

The midpoint M and one endpoint of CE are given. Find the coordinates of the other endpoint.
M(2,9) and C(4,12)

Answers

Hence, the coordinates of other point (x, y) are (0,6).

i.e.  (x, y) → (0,6)

Let AB be the segment where

The coordinate M(2, 9) and C(4, 12)

and we have to find the point E.

Let us assume the other point is (x, y)

As we know that

The midpoint is halfway between the two end points, meaning midpoint coordinates are basically termed as the average of the corresponding endpoint coordinates.

Mid - point formula:

m = [tex]\frac{x_{1}+x_{2} }{2}[/tex]

n = [tex]\frac{y_{1}+y_{2} }{2}[/tex]

So,

Substituting M(2, 9) into C(4, 12):

2 = [tex]\frac{4+x_{2} }{2}[/tex]

9 = [tex]\frac{12+y_{2} }{2}[/tex]

Solve the Equation:

[tex]x_{2} = 0\\y_{2} = 6[/tex]

Express solutions in ordered pairs:

(0,6)
Hence, the coordinates of other point (x, y) are (0,6).

i.e.  (x, y) → (0,6)

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Three cards are drawn with replacement from a standard deck of 52 cards. Find the the probability that the first card will be a spade, the second card will be a red card, and the third card will be a queen. Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.

Answers

Probability is expressed as

number of favorable outcomes/number of total outcomes

In a standard deck of cards, the total number of cards is 52.

There are 13 spades in a standard deck. Thus,

probability of selecting a spade = 13/52 = 1/4

There are 26 red cards in a standard deck of cards. Since the first card was replaced, the total number of cards remains 52.

probability of selecting a red card = 26/52 = 1/2

There are 4 queens in a standard deck of cards. Since the second card was also replaced, total number of cards is still 52. Thus,

Probability of selecting a queen = 4/52 = 1/13

Thus, the probability that the first card will be a spade, the second card will be a red card, and the third card will be a queen is

1/4 x 1/2 x 1/13

= 1/104

Find the zero of 3[2x-(3x-4)]-6(x-3)

Answers

First, simplify the expression:

[tex]\begin{gathered} 3\lbrack2x-(3x-4)\rbrack-6(x-3) \\ =3\lbrack2x-3x+4-6(x-3) \\ =3(2x)+3(-3x)+3(4)-6(x-3) \\ =6x-9x+12-6x+18 \\ =6x-9x-6x+12+18 \\ =-3x-6x+12+18 \\ =-9x+12+18 \\ =-9x+30 \end{gathered}[/tex]

Then:

[tex]3\lbrack2x-(3x-4)\rbrack-6(x-3)=-9x+30^{}[/tex]

To find the zero of the given expression, find the zero of -9x+30:

[tex]\begin{gathered} -9x+30=0 \\ \Rightarrow-9x=-30 \\ \Rightarrow x=\frac{-30}{-9} \\ \therefore x=\frac{10}{3} \end{gathered}[/tex]

Therefore, the zero of the given expression is 10/3.

Write a quadratic equation in standard form with the given root(s) -7,3/4 and can you explain how you did it? i need it ASAP please and thank you

Answers

The quadratic equation with roots -7, 3/4 in standard form is

4x² + 25x - 21 = 0.

What is a quadratic equation?

A quadratic equation is an algebraic equation of degree two and has exactly two roots real or imaginary or complex.

We know the roots of a quadratic equation are also factors of a quadratic equation.

If x = a and x = b are two roots of a quadratic equation then x - a = 0 and

x - b = 0 are the factors of a quadratic equation that can be formed by multiplying the two factors (x - a)(x - b) = 0.

Given that -7 and 3/4 are the roots.

∴ { x - (-7)}{ x - 3/4) = 0.

(x + 7)(x - 3/4) = 0.

x² + 7x -(3/4)x - 21/4 = 0.

x² + (25/4)x - 21/4 = 0.

4x² + 25x - 21 = 0.

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For j(x) = 4x − 2, find j of the quantity x plus h end quantity minus j of x all over h period

Answers

If j(x) = 4^(x - 2), the solving the given expression [j(x + h) - j(x)]/h gives;

[j(x + h) - j(x)]/h = (4^(x - 2))(4^(h) - 1)]/h

How to utilize laws of exponents?

We are given the function as;

j(x) = 4^(x - 2)

Now, we want to solve the expression;

[j(x + h) - j(x)]/h

This gives us;

j(x + h) = 4^(x - 2 + h)

Thus, our expression is now;

[j(x + h) - j(x)]/h = [4^(x - 2 + h) - 4^(x - 2)]/h

Now, according to laws of exponents, we know that;

y³ × y² = y³ ⁺ ²

Thus;

4^(x - 2 + h) = 4^(x - 2) × 4^h

Therefore;

[4^(x - 2 + h) - 4^(x - 2)]/h = (4^(x - 2))(4^(h) - 1)]/h

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The graph below shows Kate’s distance from her home(y), in miles, after a certain amount of time (x), in minutes:

Answers

The correct answer is Tim

She drives at a variable speed for 2minutes

20 POINTS, GET MARKED AS BRAINLIST IF RIGHT

Answers

P (B U C) is 0.1675 when B and C are independent and P (B U C) is 0 when B and C are mutually exclusive.

What Are Independent Events?

An Independent Event is defined as if the outcome of one event has no bearing on the outcome of the other, the two events are said to be independent events. Or, we may say that an event is considered independent if it does not affect the probability of another event. Probability-independent events mirror actual occurrences.

Let B and C be two events such that P(B) = 0.25 and P(C) = 0.67.

To determine P (B U C),

Given that B and C are independent.

Since B and C are independent events, we can just multiply the probabilities together, 0.25 × 0.67 = 0.1675

To determine P (B U C),

Given that B and C are mutually exclusive.

Since B and C cannot both occur at the same moment by definition because they are mutually exclusive, the answer is 0.

Therefore, P (B U C) is 0.1675 when B and C are independent and P (B U C) is 0 when B and C are mutually exclusive.

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solve problem below if you are smart.

18 points.

Answers

Answer:

See below

Step-by-step explanation:

48 + 3y = 90 degrees   so y = 14 degrees

3x + 2x + 12 = 90   so x = 78/5 = 15.6 degrees

The height (in inches) of a toy that moves up and down on a spring can be modeled by the function y= -(cos x)+2(cos x) (sin x) where x is time in seconds. Within the interval 0 < x < 6, when does the toy reach its minimum height? What is that height?​

Answers

The correct option regarding the minimum height reached by the toy is:

A height of -1.76 inches at 5.647 seconds.

How to find the minimum value of the function?

The function for the height of the toy in the spring after x seconds is modeled as follows:

y = -cos(x) + 2cos(x)sin(x)

It is a trigonometric function, hence there is no rule to find the minimum value of the function as there is for a quadratic function, for example.

Since there is no rule, we have to sketch the graph of the function in the given domain of 0 < x < 6.

Using a graphing calculator, the graph of the function is given at the end of the answer, with minimum point at (5.647, -1.76), hence the correct option is:

A height of -1.76 inches at 5.647 seconds.

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If ac = 57 find the measure of ab

9
30
6
27

Answers

Step-by-step explanation:

3x+4x-6=57

7x=63

x=9

AB=3x=3*9

AB=27

Determine whether the following graph can represent a normal curve.

Answers

The correct options regarding whether the graph can represent a normal curve are given as follows:

C. Yes, because the graph may not satisfy all of the criteria for a normal curve, but it satisfied at least one of them.D. No, because the graph is not always greater or equal to zero.

What are the characteristics of a normal curve?

The characteristics of a normal curve are defined as follows:

Single peak at the center of the distribution, which is also the mean of the distribution.The function is symmetric.The values of the tails at the distribution are close to 0.The values are all equal or greater to zero.

In the context of this problem, these two first options are satisfied. However, the distribution contains negative values, meaning that the graph is not always greater or equal to zero.

Hence, options C and D are correct.

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A grandfather wants to know the average height of all his grandchildren. He finds that the heights of his 9 grandchildren aregiven in inches by

Answers

mean = sum of the heights / number of grandchildren

[tex]=\frac{63+71+60+59+74+60+60+75+58}{9}[/tex][tex]=\frac{580}{9}[/tex][tex]\approx64.4[/tex]

4. Understand Draw two lines of reflection through point A so that the composition of the reflections across the lines maps onto the image shown.

Answers

When a group of point is reflected across a line the distance of the points to the line must be equal, therefore the figure is inverted. With this in mind we can trace the intermediate step that is missing and finally draw the two lines.

Notice that the triangle get's inverted on each reflection around the lines.

find the value or measure. Assume all lines that appear to be tangent are tangent. X=

Answers

According to the secant-tangent theorem, we have the following expression:

[tex](x+3)^2=10.8(19.2+10.8)[/tex]

Now, we solve for x.

[tex]\begin{gathered} x^2+6x+9=10.8(30) \\ x^2+6x+9=324 \\ x^2+6x+9-324=0 \\ x^2+6x-315=0 \end{gathered}[/tex]

Then, we use the quadratic formula:

[tex]x_{1,2}=\frac{-b\pm\sqrt[]{b^2-4ac}}{2a}[/tex]

Where a = 1, b = 6, and c = -315.

[tex]\begin{gathered} x_{1,2}=\frac{-6\pm\sqrt[]{6^2-4\cdot1\cdot(-315)}}{2\cdot1} \\ x_{1,2}=\frac{-6\pm\sqrt[]{36+1260}}{2}=\frac{-6\pm\sqrt[]{1296}}{2} \\ x_{1,2}=\frac{-6\pm36}{2} \\ x_1=\frac{-6+36}{2}=\frac{30}{2}=15 \\ x_2=\frac{-6-36}{2}=\frac{-42}{2}=-21 \end{gathered}[/tex]Hence, the answer is 15 because lengths can't be negative.

A body is moving in simple harmonic motion with position function
s(t)= 4 + 5 cos t
Find the body’s velocity at t= 2π/3

Answers

The velocity of the body under simple harmonic motion is equal to - 5√3 / 2. (Correct choice: B)

How to find the velocity of a body under simple harmonic motion

Simple harmonic motion is a kind of self-sustained periodic motion that observed the following formula:

y = y' + Δy · cos ωt     (1)

Where:

y' - Initial positionΔy - Amplitudeω - Angular frequency.t - Time

The equation for the velocity of the body in simple harmonic motion is found differentiating (1):

v = - ω · Δy · sin ωt      (2)

If we know that ω = 1, t = 2π / 3 and Δt = 5, then the velocity of the body is:

v = - 1 · 5 · sin (2π / 3)

v = - 5 · sin (2π / 3)

v = - 5 · √3 / 2

v = - 5√3 / 2

The velocity is equal to - 5√3 / 2.

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g(x)=6x-9 solve for when x is -8b

Answers

The solution to the equation g(x) = 6x - 9 whenx = -8b is g(-8b) = -48b - 9

How to evaluate the value of the function?

From the question, the equation of the function is given as

g(x) = 6x - 9

Also, we have the value of the variable to be

x = -8b

So, we substitute -8b for x in the equation of the function

g(x) = 6x - 9

The above equation becomes

g(-8b) = 6(-8b) - 9

Open the brackets in the above expression

g(-8b) = -48b - 9

The above equation cannot be firther simplified

Hence, the solution is g(-8b) = -48b - 9

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Walter is a waiter at the Towne Diner. He earns a daily wage of $50, plus tips that are equal to 15% of the total cost of the dinner he serves. What was the total cost of the dinners he served if he earned $170 on Tuesday?

Answers

Jason, this is the solution:

Walter's daily wage = $ 50

Tips = 15% of the total cost of the dinner he serves

Tuesday earnings = $ 170

Therefore,

Tips = 170 - 50

Tips = 120

For finding the cost of the dinners, we use Direct Rule of Three, as follows:

Percentage Cost

15 120

100 x

_____________________

120 * 100 = 15 * x

12,000 = 15x

Dividing by 15 at both sides:

15x/15 = 12,000/15

x = 800

The total cost of the dinners Walter serverd on Tuesday was $ 800

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