Jk has endpoints J(-1, 10) and K(-5, 2). MN had the endpoints M(9, -7) and N(1, -3). is JK congruent to MN?

Jk Has Endpoints J(-1, 10) And K(-5, 2). MN Had The Endpoints M(9, -7) And N(1, -3). Is JK Congruent

Answers

Answer 1

Answer:

It's true that  [tex]JK \cong MN[/tex]

Step-by-step explanation:

If the lengths of two line segments are equal, then they are said to be congruent to each other.

[tex]JK[/tex] has endpoints as [tex]J(-1, 10)[/tex], [tex]K(-5,2)[/tex] and [tex]MN[/tex] has endpoints as [tex]M(9,-7), N(1,-3)[/tex]

Formula for finding the length of line segment: [tex]\sqrt{(x_{1}-x_{2})^2+(y_{1}-y_{2})^2}[/tex] , where [tex](x_{1}, y_{1})[/tex] and [tex](x_{2}, y_{2})[/tex] are two endpoints.

So, the length of [tex]JK = \sqrt{(-1-(-5))^2+(10-2)^2}= \sqrt{(4)^2+(8)^2}= \sqrt{16+64}= \sqrt{80}[/tex]

and the length of [tex]MN=\sqrt{(9-1)^2+(-7-(-3))^2}= \sqrt{(8)^2+(-4)^2}= \sqrt{64+16}= \sqrt{80}[/tex]

As, the lengths of [tex]JK[/tex] and [tex]MN[/tex] are equal, so we can say that, [tex]JK[/tex] is congruent to [tex]MN[/tex].

Answer 2
Final answer:

To determine if JK is congruent to MN, use the distance formula to find the lengths of the line segments. If the lengths are equal, then the segments are congruent.

Explanation:

To determine if JK is congruent to MN, we need to compare the lengths of these line segments. The formula for finding the length of a line segment with endpoints (x1, y1) and (x2, y2) is the distance formula: d = sqrt((x2 - x1)^2 + (y2 - y1)^2).

For JK: d = sqrt((-5 - (-1))^2 + (2 - 10)^2) = sqrt((-4)^2 + (-8)^2) = sqrt(16 + 64) = sqrt(80).For MN: d = sqrt((1 - 9)^2 + (-3 - (-7))^2) = sqrt((-8)^2 + (4)^2) = sqrt(64 + 16) = sqrt(80).

Since the lengths of JK and MN are equal (sqrt(80) = sqrt(80)), we can conclude that JK is congruent to MN.

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Related Questions

which of the following is an equivalent form of the expression 15x+24ax?
39ax
39(a+2x)
(5+8a)x
15+24a)x

Answers

(15+24a)x


Because when using distributed


15(x)+24a(x)


Is


15x+24ax

Create an Example that has No Real Solution.

Answers

An example that has no real solution could be an equation like:

-11x+4=-11x-11

ax^2 + bx + c
essentially, if this had no real solutions then there would be no values for "x" which means that the graph does not touch the x-axis

What is the x-intercept of the graph that is shown below?

Answers

Look at where the line crosses the X axis.

Here we see it crosses -2

So your answer is A (-2, 0)

The [tex]x[/tex]-intercept of the graph using the definition of intercepts is [tex](-2,0)[/tex].

Thus, option [tex]1[/tex] is correct.

A point on the y-axis, through which the slope of the line passes, is called as intercept . The point at which the line crosses [tex]x[/tex]- axis is called [tex]x[/tex] intercept and the point at which the line crosses [tex]y[/tex] - axis is called [tex]y[/tex]  intercept .

According to the information provided by the graph,

The line crossed [tex]x[/tex]- axis at [tex]x = -2[/tex].

So, the intercepts of  [tex]x\\[/tex] axis will be [tex](-2,0)[/tex].

The [tex]x[/tex]-intercept of the graph using the definition of intercepts is [tex](-2,0)[/tex].

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What is the missing term in the factorization? 100 x 2 −36=4(5x+?)(5x−3)

Answers

100x^2−36=4(5x+3)(5x−3)

7/11 x 22/28 use gcf

Answers

Answer: 1/2


Step-by-step explanation:

7

11

×

22

28

=

7 × 22

11 × 28

=

154

308

=

154 ÷ 154

308 ÷ 154

=

1/2

ten is no less than a number q multiplied by 6

Answers

The answer is q - 10 times 6

if a person bikes 2.r miles in 10 minutes,how far can he bike in 1.5 hours

Answers


Sped 2.4 mile sin 10 minutes. THat means in 1 hour 2.4 x6=14.4 miles per hour. 1 hour=60 minutes.

Melinda and Paul shovel driveways and sidewalks in the winter as a way to earn extra money. Together they shoveled 450 square feet of sidewalk in 30 minutes. Then Melinda shoveled for 20 minutes while Paul shoveled for 25 minutes to complete 345 square feet of driveway.How much more can Paul shovel in 1 minute than Melinda?

Answers

30x + 30y = 450

20x + 25y = 345

answer: 3 square ft per minute

A bicyclist rose 3.5 miles in 15 minutes. What was her average speed, in miles per hour?

Answers

21 miles per hour would be her avarage speed

21 miles per hour would be her miles per hour.

H E L P
A S A P ! ! !
GIVING 50 POINTS!

Answers

Answer:


Step-by-step explanation:

1. B

2. C

The answer to the first is C

Second is B. Hope I'm not mistaken.

Sami has $500 to invest. Suppose he has the following investment options: 3% compounded annually for 4 years, 4% compounded annually for 3 years, 2.5% compounded every 2 years for 6 years, and 5% compounded annually for 2 years. Which investment will give him the most money at the end of its investment period? (Remember, the formula is A = P(1 + r)t.)

Answers

i think the answer is 5% compounded annually for 2 years.


                                              hope it helps

Answer:

Sami should invest in 1st case, to get the maximum money.

Step-by-step explanation:

Sami has $500 to invest.

We will use the compound interest formula :

[tex]A=p(1+r/n)^{nt}[/tex]

Case 1:

p = 500

r = 3% or 0.03

t = 4

n = 1

Putting the values in formula we get,

[tex]A=500(1+0.03/1)^{4}[/tex]

[tex]A=500(1.03)^{4}[/tex]

A = $562.75

Case 2:

p = 500

r = 4% or 0.04

n = 1

t = 3

Putting the values in formula we get,

[tex]A=500(1+0.04/1)^{3}[/tex]

[tex]A=500(1.04)^{3}[/tex]

A = $562.43

Case 3:

p = 500

r = 2.5% or 0.025

n = 3

t = 6

Putting the values in formula we get,

[tex]A=500(1+0.025/3)^{6}[/tex]

[tex]A=500(1.0083)^{6}[/tex]

A = $525.42

Case 4:

p = 500

r = 5% or 0.05

n = 1

t = 2

Putting the values in formula we get,

[tex]A=500(1+0.05/1)^{2}[/tex]

[tex]A=500(1.05)^{2}[/tex]

A = $551.25

Comparing all values we can see that case 1 has the highest amount.

Hence, Sami should invest in 1st case, to get the maximum money.


I NEED HELP AND FAST 50 POINTS plus brainiest

The geometric probability of throwing a bag through a cornhole board is about 5%. The rectangular dimensions of the board is 24" by 48".

What is the approximate area of the hole in square inches?

Answers

Answer:

The answer is .4sqr ft

Step-by-step explanation:

That board is 2 feet by 4 feet:


Area = 2 x 4 = 8 sq. ft.


The hole will have an area that is 5% of this value.


8 sq. ft x 0.05 = 0.4 sq. ft.


Answer:

0.4 sq. ft.

That would be 24 inches the cornholes probability is due to the angles and geometric force. If you throw it at the 24 by 48 dimension of thee board the probability for it to actually go in is a small but more likely chance. if you tweak how hard you are tossing' it the more results you will get of width and distance from the hole. Eventually tho you will indefinitely get it in to the hole.

hope brainy birdy helped you out lol here is me... hope that you get 100% buddy good luck!!!

Hal has 558 cans of soup to put on a shelf.The shelf can hold 72 cans in each row. How many rows can hal make with the soupcans.

Answers

7 rows in total. However, to be more precise, it's 7.75. But you round that down to 7, so 7 exact shelves. All you do is 558 divided by 72, and you get 7.75 which is 7 shelves cause you can't half 7 and .75 shelves

588 divided by 72 is 7.75. So 8 shelves in all.

Sameera predicted that she would sell 38 blankets, but she actually sold 28 blankets. Which expression would find the percent error? Use the table below to help answer the question. Percent Error Item Approximate value Exact value Error Absolute error Ratio Percent error Blankets 38 28 10 10

Answers

Solution: We are given:

Predicted Sales by Sameera [tex]=38[/tex]

Actual Sales by Sameera [tex]=28[/tex]

Now to find the Percent error, we have to use the below formula:

[tex]Percent-Error= \frac{|Predicted-value - Actual-value|}{Actual-value} \times 100 \%[/tex]

                       [tex]=\frac{|38-28|}{28} \times 100 \%[/tex]

                       [tex]=\frac{10}{28}\times 100 \%[/tex]

                       [tex]=35.71 \%[/tex]

Therefore, the percent error is [tex]35.71 \%[/tex]      

Answer:

c

Step-by-step explanation:

A family has annual loan payments equal to 32% of their annual income. During the year, the loan payments total $15,680. What is the family’s annual income?

Answers

I came up with 49,000 as the family's annual income.

x is the annual income

if we set the equations to 32/100 x = 15,680, we can multiply by 100, this leaves us with 32x=1568000
if we divide by 32, we're left with
x = 49,000


The annual Income is 49,000 $.

It is required to find the family’s annual income.

What is arithmetic?

The arithmetic refers to working with numbers by doing addition, subtraction, multiplication, and division. Fractions, decimals, percentages, fractions, square root, exponents, and other arithmetic operations are used to achieve mathematical simplifications.

Given:

Say, the annual income =x $

(32/100)*x=15680

x=15680*100/32

x =49,000 $

Therefore, the annual Income is 49,000 $

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(3 x 10^6) x (3 x 10^ 5)

Answers

Answer:

[tex]9*10^{11}[/tex]

Step-by-step explanation:

we have

[tex](3*10^{6})*(3*10^{5})[/tex]

we know that

[tex](a*10^{b})*(a*10^{c})=(a*a)*10^{(b+c)}[/tex] -----> the bases are multiplied and the exponents are added up

so

in this problem

[tex](3*10^{6})*(3*10^{5})=(3*3)*10^{(6+5)}[/tex]

[tex]=9*10^{11}[/tex]

A tuxedo rental shop rents tuxedos with sleeve lengths from 20 inches to 40 inches. The shop says the length of the sleeves should be about 1.2 times a person's arm length. Write and solve a compound inequality that represents the arm lengths of people the shop does not provide tuxedos for.

Answers

Let the person's arm length be = x

Condition is : sleeve lengths available from 20 inches to 40 inches and the length of the sleeves should be about 1.2 times a person's arm length.

So, the inequality equation becomes:

[tex]20\leq1.2x\leq40[/tex]

This gives x=[tex]\frac{20}{1.2}=16.66[/tex] or [tex]16\frac{2}{3}[/tex]

or x=[tex]\frac{40}{1.2}[/tex]=33.33 or [tex]33\frac{1}{3}[/tex]

Hence, the shop does not provide tuxedos to people with arm length less than 16.66 inches and greater than 33.33 inches.

Answer:

Step-by-step explanation:

Let the arm length of tuxedo be x which varies from 20 inches to 40 inches.

If length of the sleeves is about 1.2 times a person's arm length.

Then the arm length of a person will be 1.2x.

Inequality for the arm length will be

20 < 1.2x < 40

Now we divide this inequality by 1.2

[tex]\frac{20}{1.2}<x<\frac{40}{1.2}[/tex]

16.67 < x < 33.33

This inequality represents the arm length of people having arm length between 16.67 and 33.33 inches.

tuxedo rental shop does not provide tuxedos to the persons having arm length less than 16.67 and greater than 33.33.

6. In many cases, lenders allow homeowners to include their homeowners insurance premium with their monthly mortgage payment. Tim’s home is worth $279,500. If his homeowners insurance premium is $0.33 per $100, how much is added to his monthly mortgage payment for insurance?
A.$7.69
B.$76.86
C.$92.35
D.$922.35-NOT THE CORRECT ANSWER

Answers

Answer:

B. $76.86

Step-by-step explanation:

Step 1: Insurance premium is $0.33 per $100.

Step 2: In 279500, there are 2795 hundreds of dollar.

Step 3: find the premium.

2795*0.33 = 922.35

This is premium per year.

Step 4: There are 12 months in a year.

Therefore, his month mortgage payment = 922/35 = $76.86


Thank you.

Look down below.
What decimal number is represented in expanded form?

Answers

The answer is 7209.306

is | y | = x a function? explain.

Answers

No.

|y| = x isn't a function because it doesn't pass the vertical-line test. If you need more clarification, please let me know :)


Write 2/5 as a percent

Answers

40% would be the answer because it has to equal 100% and 2/5 of it is 40%

ur answer is 40%
[tex]2 \div 5 = .4[/tex]
then move the decimal point two times to the left because percent mean 100

40%

evaluate 15k when k=3

Answers

45, you substitute 3 in for k and multiply

what is the distance between the two numbers given below? 4/9 and -2/9 (simplified)

Answers

I will try my best to assist you with your question.

4/9 to -2/9 = -2/3

Show work!

_____________________________

4/9 -4/9 = 0/9

0/9 + (-2/9) =-2/9

-4/9+-2/9= -6/9

-6/9=-2/3

The answer is -2/3

Hope I helped!

Good Luck!

Bill used candle molds, as shown, to make candles that were perfect cylinders and spheres:

A cylindrical mold is shown, the radius of the top circular section of the cylinder is labeled 2 inches and the height of the cylinder is labeled as 5 inches. On the right side of this mold is a spherical mold. The radius of this spherical mold is labeled as 2 inches.

What is the approximate difference in the amount of wax needed to make a candle from each of these molds? Use π = 3.14.

20.82 cubic inches
29.31 cubic inches
56.6 cubic inches
62.8 cubic inches

Answers

Answer:

29.31 cubic inches

Step-by-step explanation:

The dimension of the cylindrical mold is:

Radius (r) = 2 inches

Height of the cylinder (h)= 5 inches

The dimension of the sphere is:

Radius (r) = 2 inches

Lets calculate the amount of wax needed for the cylindrical candle:

A [tex]=\pi \times r^2\times h[/tex]

[tex]A=3.14\times 2^2\times 5=3.14\times 4\times 5=62.8[/tex] cubic inches

Now, lets calculate the amount of wax needed for the spherical mold:

[tex]A=\frac{4}{3}\times \pi \times r^3=\frac{4}{3}\times 3.14 \times (2)^3=\frac{4}{3}\times 3.14\times8=33.49[/tex] cubic inches

So the approximate difference in the amount of wax needed to make a candle from each of these molds is given by:

Amount of wax for the spherical mold subtracted by the amount of wax for cylindrical mold:

[tex]62.80-33.49=29.31[/tex] cubic inches

So the approximate difference in the amount of wax is 29.31 cubic inches.

Answer:

29.31

Step-by-step explanation:


I really need some help with this. Please no guesses, I need an exact answer. Thank you in advance.

Answers

the answer would be 40°

use all 2,4,6,8 and any operation ONCE to find two equations that equal 24

Answers

Answer:

6*8 / (4-2) = 24

4*8 - (6+2) = 24


Step-by-step explanation:

For the first equation the parentheses are calculated first . Then the operations are done from left to right.

For the second the parentheses are worked out first , then the operations are done from left to right..

find the least common multiple of 5 10 and 15

Answers

the answer to the question

Write the expression in simplest form (-11/2x+3)-2(-11/4x-5/2)

Answers

This expression would equal to 8.

Answer:

8

Step-by-step explanation:

the sum of two numbers is 78. one of the numbers is 4 more than the other number, what are the two numbers?

Answers

The two numbers are 41 & 37.

The way to solve this is by setting up an equation. We know that 2 numbers are going to equal 78, so here would be the general equation (let x represent the number we don't know):

(x) + (x + 4) = 78

Now, we need to simplify it (combine like terms):

2x + 4 = 78

Then you can solve it like any other equation. Subtract 4 on both sides:

2x = 74

Divide by 2 on both sides:

x = 37.

So, now you know one number is equal to 37 and that the other is 37 + 4.

That's how you get 37 & 41.

X = ?

X +4= ?

(X+4) + x = 78

2X + 4 = 78. Subtract 4 from both sides

You get 2X = 74.  Divide both sides by 2 and you get x= 37

Now plug 37 in and you get 37 and 41

what is 2 to the -10th power

Answers

[tex]2^{-10} = \frac{1}{2^{10}} = \frac{1}{1024}[/tex]

A negative power is equal to 1/that to the positive power.

Final answer:

2 to the -10th power equals 1/1024 or 0.0009765625 in decimal form. It is calculated by taking the reciprocal of 2 raised to the 10th power, following the rules of negative exponents.

Explanation:

The student is asking about 2 to the -10th power, which is a mathematical expression involving negative exponents. When dealing with negative exponents, it's important to remember that a negative exponent indicates the reciprocal of the base raised to the absolute value of the exponent. Therefore, to calculate 2 to the -10th power, we use the following steps:

Identify the base (2) and the negative exponent (-10).

Understand that a negative exponent means the reciprocal is taken.

Calculate the reciprocal of the positive exponent: 2¹⁰.

Since 2¹⁰ is 1024, the reciprocal is 1 divided by 1024.

So, 2 to the -10th power equals 1/1024, which can also be written as 0.0009765625 in decimal form. This concept is crucial for understanding scientific notation, where negative exponents represent small numbers.

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