Find the area of right triangle def,round to nearest tenth if necessary D(-6,-1),E(1,-3),F(3,4)
HELP

Answers

Answer 1

Answer:

Step-by-step explanation:

Two of the legs will be at right angles to each other and have negative reciprocal slopes. Area will be half of the product of these two legs.

slope of DE (-3 - (-1)) / (1 - (-6)) = -2/7

slope of EF (4 - (-3)) / (3 - 1) = 7/2

so these two are perpendicular

check the DF line to be certain

slope of DF (4 - (-1)) / (3 - (-6)) = 5/9

Length of DE =  √(-2² + 7²) = √53

Length of EF = √(7² + 2²) = √53

Area of triangle

A = ½√53√53 = 26.5 units²


Related Questions

Find the value of x . PLEASE ANSWER QUICK ILL MARK BRAINLIEST

Find the value of x . PLEASE ANSWER QUICK ILL MARK BRAINLIEST

Answers

Answer:

x = 30°

Step-by-step explanation:

(3x) = 90

\((3x)/3=90/3\)

   x     \(=\)   30

Hence, x = 30°

What are the steps to answer this question 5x60=5xtens

Answers

Answer: 12

Step-by-step explanation:

       1 2  

   5 ⟌ 6 0  

     - 5    

       1 0  

     - 1 0  

         0  

A rectangle is 8 meters long and 5 meters wide. The area of the rectangle is square meters. The solution is​

Answers

Answer:

40 square meters

Step-by-step explanation:

Length of rectangle = 8 m

Width of rectangle = 5 m

A(rectangle) = Length * Width

-> A(rectangle) = 8*5

-> A(rectangle) = 40 square meters

Write 69200000 in scientific notation

Answers

69200000 in scientific notation is  6.92 × 10⁷.

How to represent number in scientific notation?

Scientific notation is a form of presenting very large numbers or very small numbers in a simpler form.

Scientific Notation is a special way of writing numbers:

For example 800 is written as 8 × 10² in Scientific Notation.

Therefore, let's write the scientific notation of the number 69200000.

Hence,

69, 200, 000 = 6.92 × 10⁷

The logic is that we will count backwards until we meet the last number. Since we counted towards the left side, the exponent will be positive.

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Match each drawing on the left with its geometric notation on the right. Some of the answer choices on the right may not be used.










Answers

Answer:

Please attach a photo to this so I can better answer your question

Hurry and answer this please I have to have this right or I'll have to be held back.From a group of 5 boys and 3 girls, a boy AND a girl will be selected to attend a conference. In how many ways can the selection be made?

Answers

Answer:

15 ways

Step-by-step explanation:

girl 1 and boy 1

girl 2 and boy 1

girl 3 and boy1

girl 1 and boy 2

girl2 and boy 2

girl 3 and boy 2

girl 1 and boy 3

girl 2 and boy 3

girl 3 and boy 3

girl 1 and boy 4

girl 2 and boy 4

girl 3 and boy 4

girl 1 and boy 5

girl 2 and boy 5

girl 3 and boy 5

What is the slope,m=

What is the slope,m=

Answers

Answer:

i belive the awnser to this is m= –4

Answer:

Slope m = -4

Step-by-step explanation:

In order to solve this problem, we need to use \(\frac{y2-y1}{x2-x1}\). After plugging in we get \(\frac{2-6}{9-8}\). 2 - 6 = -4 and 9 - 8 = 1. Because we don't need to write the 1 when it is in the denominator, the answer is just -4.

HELP ASAP PLEASE !!!!

HELP ASAP PLEASE !!!!

Answers

The answer is 32/1125 or simply 0.0284 continuously
It’s
Explanation: 32/3^2*5^3
1. Make the denominators equal (3^2*5^3), so that means you need to multiply 7 by 5 and 1 by 3.
2. Subtract 3 from 35 to get 32 on top.
Then, you’re done!

which measure of central tendency is probably best to use for the following dataset? 1,2,4,6,7,8,10,12,13,14,15,15,15,210,250

Answers

The mode (15) is not representative of the overall dataset either, as it only accounts for the most frequently occurring value.

The median is probably the best measure of central tendency to use for this dataset.
1. Arrange the dataset in ascending order, which is already done: 1,2,4,6,7,8,10,12,13,14,15,15,15,210,250
2. Since there are 15 values in the dataset, find the middle value by dividing 15 by 2: (15+1)/2 = 8.
3. Locate the 8th value in the dataset, which is the median: 10.
The median is a better choice than the mean and mode in this case because there are extreme values (210, 250) that would significantly affect the mean, making it less representative of the central tendency.

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Write an equivalent fraction with a denominator of 10
1/2 = ?/10

Answers

Was able to do this is the equivalent fraction 14

Answer:

  5/10

Step-by-step explanation:

An equivalent fraction will have the numerator and denominator multiplied by the same value.

Application

The denominator of 2 must be multiplied by 5 to get a denominator of 10. Then the equivalent fraction is ...

  \(\dfrac{1}{2}=\dfrac{1}{2}\cdot\dfrac{5}{5}=\dfrac{1\cdot5}{2\cdot5}=\boxed{\dfrac{5}{10}}\)

Find the coordinates of the image after the series of transformations given
B (3,-7)
Translate along vector , then rotate 90°

what is B'
B' (__ , __)​

Answers

The coordinates of B' are (-7, 3).

However, we can determine the coordinates of B' after a 90-degree counterclockwise rotation about the origin. To do this, we can use the following rotation matrix:

[0 -1]

[1  0]

Multiplying this matrix by the coordinates of B gives:

[0 -1]   [3]   [-7]

[1  0] * [-7] = [3]

So the coordinates of B' are (-7, 3).

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Select the correct answer.
Which equation has only one unique solution?
A. -4|x|+ 1 = -3
B. 9-|12x-1|=9
C. |x-2|-7= 7
D. |13-x|= 3

Answers

Answer:

9-|12x-1|=9

Step-by-step explanation:

Solve for x over the real numbers:

9 - abs(12 x - 1) = 9

Subtract 9 from both sides:

-abs(12 x - 1) = 0

Multiply both sides by -1:

abs(12 x - 1) = 0

Eliminate the absolute value:

12 x - 1 = 0

Add 1 to both sides:

12 x = 1

Divide both sides by 12:

Answer: x = 1/12

Answer:

Answer is B

Step-by-step explanation:

What is the meaning of "\( \varphi (x,y)\) be \( y\wedge \phi (x)\) "?

What is the meaning of "[tex] \varphi (x,y)[/tex] be [tex] y\wedge \phi (x)[/tex] "?

Answers

The reasoning presented lacks explicit explanations and logical connections between the steps, making it difficult to fully understand the intended proof strategy.

The given proof aims to show that the Separation Axioms can be derived from the Replacement Schema using a particular construction involving a formula p(x, y). Let's analyze the proof step by step:

Define the formula p(x, y) as x = yo(x).

This formula states that for each x, y pair, x is equal to the unique object y such that y is obtained by applying the operation o to x.

Define the set F as {(x, x) (x)}.

This set F contains pairs (x, x) where x is the unique object obtained by applying the operation (x) to x.

Claim: F(X) = {y (x = X)p(x, y)} = {y: (x = X)x = y^o(x)} = {x: (3x € X)o(x)} = {x X: (x)}.

This claim asserts that F(X) is equivalent to {y (x = X)p(x, y)}, which is further equivalent to {y: (x = X)x = y^o(x)}, and so on.

The proof states that since (x, y) satisfies the functional formula VaVyVz(p(x, y)^(x, z) y = z), it follows that (x, y) is a functional formula.This step emphasizes that the formula p(x, y) satisfies certain properties that make it a functional formula, which is relevant for the subsequent deductions.

Finally, the proof concludes that the Separation Axioms follow from the Replacement Schema, based on the previous steps.

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Point A is located at (1, 2). Point B is located at (4, 6). Use this information to determine the length of the line, rounded to the nearest whole number.

Answers

If Point A is located at (1, 2) and Point B is located at (4, 6), the length of the line between points A and B is 5 units.

To determine the length of the line between points A and B, we can use the distance formula, which is a formula used to calculate the distance between two points in a coordinate plane. The distance formula is:

d = √((x₂ - x₁)² + (y₂ - y₁)²)

where (x₁, y₁) and (x₂, y₂) are the coordinates of the two points and d is the distance between them.

Using the coordinates of points A and B, we can substitute their values into the distance formula to find the length of the line between them:

d = √((4 - 1)² + (6 - 2)²)

d = √(3² + 4²)

d = √(9 + 16)

d = √25

d = 5

Rounded to the nearest whole number, the length of the line is also 5 units.

In conclusion, we can use the distance formula to find the length of the line between two points in a coordinate plane. The distance formula uses the coordinates of the two points to calculate the distance between them. The resulting distance can be rounded to the nearest whole number, if needed.

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andrew went to the store to buy some walnuts. the price pee walnut is $4 per pound and he has a coupon for $1 off the final amount. with the coupon, how much would andrew have to pay to buy 4 pounds of walnuts? what is the expression for the cost to buy p pounds of walnuts , assuming at least one pound is purchased.

Answers

The amount Andrew have to pay to buy 4 pounds of walnuts = $19

The expression for the cost to buy p pounds of walnuts= 4p - 1

Explanation:

Amount per pound of walnut = $4

Amount of coupon = $1

The cost of 4 pounds of walnuts:

\(\text{Cost = 4 }\times5=\text{ \$20}\)

The amount Andrew have to pay to buy 4 pounds of walnuts:

Amount = cost - coupon

Amount = $20 - $1

The amount Andrew have to pay to buy 4 pounds of walnuts = $19

The expression for the cost to buy p pounds of walnuts:

let number of pounds = p

Cost for p pounds of walnut = Amount per walnut * number of walnut

Cost for p pounds of walnut = $4 * p

= $4p

The expression for the cost to buy p pounds of walnuts= cost for p - coupon

= 4p - 1

For the linear function ƒ(x) = 7x – 4, find the range of ƒ(x) at x = –2, 0, and 2.
Question 18 options:

A)

ƒ(–2) = –18, ƒ(0) = 4, ƒ(2) = 10

B)

ƒ(–2) = 18, ƒ(0) = –4, ƒ(2) = 10

C)

ƒ(–2) = 10, ƒ(0) = –4, ƒ(2) = –18

D)

ƒ(–2) = –18, ƒ(0) = –4, ƒ(2) = 10

Answers

Answer:

1

Step-by-step explanation:

may you please help me

may you please help me

Answers

The area of the triangle shown is  8.375 inches squared

How to find area of a triangle?

A triangle is a polygon with three sides. The sum of angles in a triangle is 180 degrees.

The area of a triangle can be found as follows:

area of a triangle = 1 / 2 bh

where

b = base sideh = height of the triangle

Hence,

h = 3 inches

\(b = 5\frac{7}{12} = \frac{67}{12}\) inches

Therefore,

area of a triangle = 1 / 2 × 67 / 12 × 3

area of a triangle = 201 / 24

area of a triangle = 8.375 inches squared

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PLEASE I NEED HELP the question is,

In the diagram of triangle LAC and triangle DNC below, LA = DN, CA = CN, and DAC is perpendicular to LCN.

a) Prove that triangle LAC = triangle DNC.
b) Describe a sequence of rigid motions that will map triangle LAC onto triangle DNC.

Answers

Answer is A, Prove that a triangle LAC = triangle DNC

Answer:

1244 DCD

Step-by-step explanation:

A child has toy blocks that contain the numbers 1 through 80. What is the probability that the will pick up a number that is
not a multiple of 11?
• Give your answer in fraction form. Reduce the fraction if necessary.

Answers

Answer:

73/80

Step-by-step explanation:

multiples of 11 between 1 and 80 are 11,22,33,44,55,66,77

number of terms=7

P(multiple of 11)=7/80

P(not a multiple of 11)=1-7/80=73/80

Students at two high schools were asked about their plans after graduation. The table displays the results for 300 students at Henderson High School. The bar graph displays the results for 300 students at Johnson High School. Which Statement about the results from Henderson High School and johnson high school must be true?

Answers

Armed force and other for Henderson high school is greater than

Johnson High School.

The mode for each school is college.

Options F and G are the correct answer.

We have,

The number of students in Henderson High School.

Work = 96

College = 114

Armed forced = 48

Other = 42

The number of students in Johnson High School.

Work = 30

College = 40

Armed forced = 15

Other = 15

From the information,

The number of students in Work for Henderson High School is greater than Johnson High School.

Now,

Henderson High School:

Armed force and other = 48 + 42 = 90

Mode = college

Johnson High School.

Armed force and other = 15 + 15 = 30

Mode = college

Thus,

Armed force and other for Henderson high school is greater than

Johnson High School.

The mode for each school is college.

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Students at two high schools were asked about their plans after graduation. The table displays the results

PLEASE HELP 20 POINTS PLUS BRANLIEST

For each graph below, state whether it represents a function.

PLEASE HELP 20 POINTS PLUS BRANLIEST For each graph below, state whether it represents a function.

Answers

Step-by-step explanation:

1. Not a function There is no correlation plus there is two y values for the same x.

2.Not a function, There is two y values for the same x

3.Yes, you can draw a linear line through the points to represent the equation, also there is one x for one y.

4.Yes, this is a step function. It seems there are two y values for same x. but the shaded circle means to include it and the open circle means dont include it so it is a function.

5.No, this is a parabola but this function has two y values for the same x

6. Yes, this is a absolute value function and there is multiple x values for the same y so it IS a function

Graph 3,6,4 represents a function because the x’s do not repeat and it passes the vertical line test. Which means 1,2,5 is not a function because the x's do repeat and it does not pass the vertical line test

Hope this helps

Have a great day/night

Feel free to ask any questions

what are two fractions that equal to 4/6​

Answers

Answer: 2/3, 8/12

Step-by-step explanation:

Answer:

2/3 and 8/12 (brainlest plssss)

Step-by-step explanation:

Cookies are sold in singly or in packages of 6 or 18. With this packaging how many ways can you buy 36 cookies?

Answers

The ways to pack are

10 singles. One package of 6 and 4 singles. One package of 6 and one packages of 4 Two packages of 4 and 2 singles One package of 4 and 6 singles

This is further explained below.

What is packaging ?

Generally, The science, art, and technology of packaging involves confining or safeguarding goods for distribution, storage, sale, and usage. The process of creating, analyzing, and designing packages is sometimes referred to as packaging.

In conclusion,

10 singles. One package of 6 and 4 singles. One package of 6 and one packages of 4 Two packages of 4 and 2 singles One package of 4 and 6 singles

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what is the answer to the question 1 plus the number 1

Answers

Answer:

2

Step-by-step explanation:

1 +1 = 2

19.75, 15,......, 5.5, 0.75
Which of the following numbers should be placed in the blank above?
O 10.25
O 12
08
O 8.75

Answers

The missing term of the given arithmetic series is A)10.25

What is arithmetic series?

The sum of a sequence in which each term is calculated from the preceding one by adding (or removing) a constant is known as an arithmetic series.

An arithmetic sequence is added to create an arithmetic series. 3, 7, 11, 15, and 19 are examples of an arithmetic sequence. This is an infinite series, as indicated by the ellipses at the end. There is a 4. common difference. Simply add the entries from the sequence to make it an arithmetic series: 3 + 7 + 11 + 15 + 19 +...

Here the given series is arithmetic series,

First term a1= 19.75

Here common difference = a2-a1=15-19.75=-4.75

Similarly third term a3= 15-4.75 = 10.25

Fourth term a4 = 10.25-4.75=5.5

Fifth term a5=5.5-4.75=.75

Hence the missing term of the series is option A) 10.25

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answer? to this problem please

answer? to this problem please

Answers

Answer:

D

Step-by-step explanation:

There is only one vertical asymptote, x = 1.

Only D has vertical asymptote, x = 1.

2+10²× 1 ( I put a lot of Points )

Answers

Answer:

= 2+10²× 1

= 2+(10*10)× 1

= 2+100×1

= 2+100

=102

Answer: 102

Step-by-step explanation: 2+(10^2)(1)

2+(100)(1)

2+100

102

Solve for t. t + 19 = 45 Enter your answer in the box. t =

Answers

Answer:

t is 26

Step-by-step explanation:

because you just subtract 45 from 19

19+26=45

which choice correctly expresses the number below in scientific notation?
0.000611

Answers

Step-by-step explanation:

Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the

10

. If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.

6.11/104

The sales tax in the town where Amanda lives is 8%. Amanda paid $40 in sales tax on a new stereo. What was the price of the stereo?

Answers

$500, 40 divided by 8=5, 5x100= 500
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