I need help ASAP will mark you the brainliest

I Need Help ASAP Will Mark You The Brainliest

Answers

Answer 1

Answer:

B

Step-by-step explanation:

<DCE = BCA (vertical angles are congruent)

DC corresponds to CB,

DC/CB = 15/5 = 3

EC corresponds to CA,

EC/CA = 12/4 = 3

Thus, two sides in ∆ABC are proportional to two corresponding sides in ∆EDC, and also, the included angle in ∆ABC and ∆EDC are congruent to each other. Therefore, based on the SAS Similarity Theorem, ∆ABC and ∆EDC are similar.


Related Questions

Find the values of x and y.
A. x = 42, y = 26.3
B. x = 47, y = 30
C. x = 42, y = 30
D. x = 47, y = 26.3

Answers

Answer:

C

Step-by-step explanation:

2x + 1 = 85 (Alternate Interior Angles Theorem)

2x = 84

x = 42

(3y + 5) + (2x + 1) = 180 (Linear Pair Theorem)

3y + 5 + (85) = 180

3y + 5 = 95

3y = 90

y = 30

Answer:

x = 42, y = 30

Step-by-step explanation:

Alternate angles are equal so

85 = 2x + 1

2x = 84

x = 42°

Linear pair

(3y + 5) + (2x + 1) = 180

3y + 5 + 85 = 180

3y = 90

y = 30°

So I think the answer is x = 42° and y = 30°.

Hope it helps.

A corporation reported cash of $26,200, total assets of $457,000, and total equity of $156,630 on its balance sheet. Its common-size percent for cash equals:

Answers

Answer:

Common-size percent for cash = 5.73 % (Approx.)

Step-by-step explanation:

Given:

Total cash = $26,200

Total assets = $457,000

Total equity = $156,630

Find:

Common-size percent for cash

Computation:

Common-size percent for cash = [Total cash/Total assets]100

Common-size percent for cash = [26,200/457,000]100

Common-size percent for cash = 5.73 % (Approx.)

Evaluate the expression for r = 4 and s = 5
10 + r(s - 1) =

Answers

Answer:

26

Step-by-step explanation:

Substitute the values of r and s into the equation:

10 + r(s - 1 ) =

10 + 4(5 - 1 )

Then use Pemdas to solve the rest.

Parenthesis

Exponents

Multiplication

Division

Addition

Subtraction

Find x Question is attached:
PLease I need the answer fast!!!

Answers

Answer:

Step-by-step explanation:

(-3)ˣ⁻² = -243

(-3)ˣ⁻² = (-3)⁵

x-2 = 5

x = 7

Is 3/2 greater than 1? Or Less than

Answers

Answer:

3/2 is greater than 1

Step-by-step explanation:

A little trick to immediately know if a number is more or less than when it involves fractions versus whole numbers is that improper fractions will always be greater than 1.

If you want to confirm this, dividing 3/2 equals 1.5, ergo 1.5 > 1.

In essence, improper fractions will always represent a number greater than one contrasted to proper fractions because if you put it on a perspective (let's say you have 13 pie slices but you only needed 12, that means there is a pie slice that's extra that makes it greater than the original pie slices).

Hope that helps :)

PLEASE ANSWERRR! FIRST CORRECT ANSWER WILL VOTE BRAINLIEST

For a certain value of k, the system

x + y + 3z = 10,
-4x + 3y + 5z = 7,
kx + z = 3
has no solutions. What is this value of k?

Answers

Answer:

k = 7/4

Step-by-step explanation:

Given system:

x + y + 3z = 10, -4x + 3y + 5z = 7, kx + z = 3

Substitute z in the first two equations with z = 3 - kx:

x + y + 3(3 - kx) = 10 ⇒ (1 - 3k)x + y = 1 ⇒ y = (3k - 1)x + 1-4x + 3y +5(3 - kx) = 7 ⇒ -(4 + 5k)x + 3y = -8 ⇒ y = 1/3(5k + 4) - 8

In order the two equations above not to have a solution, the lines should be parallel. Parallel lines have equal slopes.

Solve the following equation for k:

3k - 1 = 1/3(5k + 4)9k - 3 = 5k + 44k = 7k = 7/4

I really need help with my question

Answers

answer :

z=11

y=13

will be ur answers

A box contains tiles that cover 8.5 square feet of floor area. Pamela needs to install the tiles on 518.50 square feet of floor. How many boxes of tile does she need?

Answers

61 boxes :)

A= lw

We know the area and one of the variables-

518.50= 8.5w

Divide 518.5 by 8.5

518.5/8.5= 61

61 boxes!

In ΔXYZ, x = 460 inches, y = 340 inches and ∠Z=47°. Find the area of ΔXYZ, to the nearest square inch.

Answers

Answer:

35.8

Step-by-step explanation:

Answer:

35.8

Step-by-step explanation:

Done the test

What is the value of x?



Enter your answer in the box.

x =

Answers

Answer:

x-4+3x+100=180....by angle sum property

4x=84

x=21

An arrow is shot up in the air from a height of 3 feet. The height of the arrow, in feet,can be modeled with the function h= -2t^2+12t+3where his the height in feet and is the time in seconds.Enter the average rate of change, in feet per second, from 1 second to 4 seconds

Answers

Answer:

The average rate of change is two feet per second.

Step-by-step explanation:

The height of an arrow shot up into the air from a height of three feet is given by the function:

[tex]h(t)=-2t^2+12t+3[/tex]

And we want to find its average rate of change from one second the four seconds.

The average rate of change is synonymous with the slope. Therefore, we can evaluate the height of the arrow after the first and fourth seconds, and find the slope between them.

After the first second, the height of the arrow is:

[tex]h(1)=-2(1)^2+12(1)+3=13[/tex]

And after the fourth second, the height of the arrow is:

[tex]h(4)=-2(4)^2+12(4)+3=19[/tex]

This yields two points: (1, 13) and (4, 19).

The slope between them is:

[tex]\displaystyle m=\frac{19-13}{4-1}=\frac{6}{3}=2[/tex]

Therefore, the average rate of change from one second to four seconds is two feet per second.

You can use this rule to work out the total cost of hiring a car. Total cost = £4 per hour plus £12. Arun hires a car for 5 hours. Work out the total cost.

Answers

Answer:

£32

Step-by-step explanation:

12 + 4(5) = 32

Stay safe! <3

Eric's water bottle holds 500 mL. He drinks 4 bottles of water at soccer practice.
How many liters of water does he drink?
A.2 L
B.5 L
C .2L
D.5L

Answers

2 litres of water. A

Eric's drink 2 liters of water.

What is liter?

" Liter is a basic unit which is used to measure volume of any liquid."

According to question,

Capacity of one water bottle = 500mL

Capacity of 4 water bottles = [tex]500[/tex] × [tex]4[/tex]

                                              = 2000mL

1000mL = 1Liter

2000mL =2L

Hence we conclude that Option A is correct.

Learn more about Liters of water here

https://brainly.com/question/22384228

#SPJ2

Kevin Chamberlin?...........​

Answers

Answer:

Yeah thats weird

Step-by-step explanation:

Find the size of angle XYZ. Give your answer to 1 decimal place.

Answers

Answer:

45

Step-by-step explanation:

Because this is a triangle all angles must add up to 180. so we already know 90 so 180-90=90 and 90/2 = 45. Hope this helps

ANSWER: 54.3

Step-by-step explanation:

1. Label each side of the Triangle

Using the SOH CAH TOA method we can label zy as H (the longest line is always H). We can label xz as O (it is opposite the angle). We can label xy as A (it's the remaining side).

2. Cross out the 'useless' side

Now, we need to cross out the label which doesn't have an appointed piece of information to it. Meaning that A will remain as it labels 7cm. H will also remain as it labels the angle. O does not label anything and so we can cross it out.

3. Decide which method is correct

We are using the SOH CAH TOA method, this means we can either use SOH, CAH, or TOA to solve the problem. We know which method to use by seeing which of them does not contain the letter we crossed out. CAH does not contain O so it is the correct method.

4. Know the formula

Now we will use the formula of our found method. CAH begins with C and so does Cos. Therefore, Cos is our formula.

Cos( ) = A/H

5. Substitute in your numbers

Then, we will put in our numbers into the formula. The first slot we must fill in is within the brackets. Usually the angle goes inside of the brackets during trigonometry but we obviously do not know it. This means we will use 'x' inside of the brackets. Our formula now looks like this:

Cos(x)

Substitute in A and H. A will be the information appointed to the side we labelled A. H will be the information appointed to the side we labelled H.

Our formula will look like this:

Cos(x) = 7/12

6. Reverse it and calculate

Now we need to input an equation into our calculator. I don't know why but we will need to reverse our previous formula and type it into the calculator as:

cos-^1(7/12)

The result should say 54.31466529.

7. Round

Now we will round it by 1 decimal place. To do this we need to look at the number next to 3, it is not 5 or above 5. This means we will not round up,

 our answer is 54.3 degrees.

What should I know before precalculus?

please mark me brainliest and whoever marks me right down your name and I will mark you back

Answers

Answer:

hope it helps

Step-by-step explanation:

You'll be doing a lot of graphing, quadratic equations, polynomial equations, trig graphs and inverse graphs to name a few things so make sure you're good with algebra, geometry, and trigonometry. Trig identities and algebra skills

Tania bought 9.6 gallons of gas for $27.36. Find an equation that can be used to determine x, the price of each gallon of
gas? What is the price of each gallon of gas? Show work.

Answers

Answer:

9.6(x)= 27.36 27.36÷9.6=x x=2.85

Kaitlyn buys books from a book club. She calculates the total cost, in
dollars, of each order using the formula 15b + 5. In her formula, b
represents the number of books she orders.
a) What is the total cost of ordering four books?
b) What is the total cost of ordering two books?
c) What is the total cost of ordering one book?

Answers

Answer:

c=what is the total cost of ordering one book..

Step-by-step explanation:

Given function:

15b+5

What this means:

15b+5 means that 15+5..b=1 for 15+15so if the cost of the book is 15 dollars it adds 5 since you brought that book or for other reasons.15+5=1 book and b represents it.

Therefore, b=the total cost of ordering one book..

Identify the slope and y intercept of the function y=4x-9

Answers

Answer = y = -9
By ly - 4x = -9

If f(x)=4x-1 , what is f(1) ??

Answers

Answer:

f(1) = 3

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Algebra I

FunctionsFunction Notation

Step-by-step explanation:

Step 1: Define

f(x) = 4x - 1

f(1) is x = 1

Step 2: Evaluate

Substitute in x [Function]:                                                                              f(1) = 4(1) - 1Multiply:                                                                                                           f(1) = 4 - 1Subtract:                                                                                                          f(1) = 3

find the product 3/8 x 2 help plz

Answers

Answer:

3/4

Step-by-step explanation:

hope this helps. I have to wrote this random think so it can be 20 characters hope this helps enjoy

These 10 blocks are separated into 2 groups. Which equation represents how to find the number of blocks in each group?

A. 10 ÷ 2 = 5
B. 10 ÷ 5 = 2
C. 5 ÷ 2 = 10
D. 2 ÷ 5 = 10

Answers

Answer:

A) would be the answer

Step-by-step explanation:

this is the answer because 2 groups with 10 blocked all together has to have 5 blocks each group, also 5+5=10

A is the answer cause 5x2=10

Where does the adjacent interior angle go in a triangle?

Answers

Answer:

Any two interior angles that share a common side are called the "adjacent interior angles" of the polygon, or just "adjacent angles". Here the word adjacent is used in its ordinary English meaning of "next to each other".

Step-by-step explanation:

Maria wants to buy a new car. She will choose a green car
or a silver car. The green car costs $16,898, and the silver
car costs $1,059.75 less than the green car. What is the
cost of the silver car?
please help do today

Answers

Answer:

1,059.75

Step-by-step explanation:

well the silver car is less then a green car right but just add them up

1,059.75




I hope this helped!!

help pls what is the area of this shape?

Answers

Answer:

I think 15 I dont see it in the options but im going to explain my answer

Step-by-step explanation:

4 + 4 = 8, 13 - 8 = 5 x 6 = 30 divided by 2 is 15

SO 8 x 13 = 104 - 15 = 89 so therefore its 89!

Arithmetic mean of nine observations is calculated as 38. But in doing so, mistakenlythe observation 27 is taken instead of 72. Find the actual mean of the data.​

Answers

Answer:

Actual Mean = 43

Step-by-step explanation:

Given Mean = 38

No of observations = 9

we know,

Mean = Sum / N

38 = Sum/ 9

Sum = 38 x 9 = 342

Since the observation 27 was mistakenly taken instead of 72, we subtract 27 from the sum and add 72.

New sum = 342 - 27 = 315 again, 315 + 72 = 387

The no. of observations stays the same.

Actual mean = New Sum / N

= 387/9

=43

Step-by-step explanation:

arithmetic mean =38

n=9

mean=sum/n

sum=mean×n=38×9=342

mistakenly observation 27 is taken instead of 72

new sum becomes =342+72-27=387

now

new mean =new sum/n=387/9=43

the actual mean of the data is 43.

In a drawer there are 6 black socks,8 white socks,2 red socks, and 4 blue socks. A boy takes one socks from the drawer, without looking. What is the chance that this socks is blue?

Answers

Answer:

1/5

Step-by-step explanation:

Chance is also referred to as probability

probability = Number of event/Total samples space

If there are 6 black socks,8 white socks,2 red socks, and 4 blue socks in a drawer, the total number of socks will be the sample space

Sample space = 6 + 8 + 2 + 4

Sample space = 20socks

Total number of blue socks is the event

Number of event = 4 blue socks

Chance that the socks is blue = n(E)/n(S)

Chance that the socks is blue = 4/20

Chance that the socks is blue = 1/5

The difference between twice a number and 41 is -23

(Just need to translate it)

Answers

2x-41= -23

2x= 18

x=18/2

x=9

hope it helps

A stone is thrown upward, its height h meters after t seconds is given by this formular h=30t-5t². Find t when it is at a height of 25m, why are there two answers, what do they mean?

Answers

Answer:

the answer is

T¹=5s

T²=1s

Am not sure about why there's two times , although perhaps the two times indicate the starting time and the other indicate the time when the stone hits 25m above the ground

Step-by-step explanation:

the solving steps are in the picture.

WILL GIVE BRAINLIEST

Answers

Answer:

hey there, it's option A, -7.

Option A is the right one
Other Questions
Romeo is heartsick over a girl (it's not Juliet) who is not at all interested in Romeo. Does this love seem genuine, why or why not? PLEASE HELP!!!!!!!!! I NEED IT The angle of elevation from a point on the ground to the top of a tower is 18. The base of the tower is 100 feet from the point on the ground. Find the height of the tower. Round to the nearest tenth of a foot. Sorry for the bad quality of the picture but my sister in 6th grade needs help with this problem and I forgot how to do this.. so please help meee..... Consider the following equation.y = - 15Which of the following lines is perpendicular to the one above?OAy = - - 20.y =21 15OC.y = - + 19ODy = 1 + 14 What is the measure of UVW in the triangle shown?Question 19 options:A) 140B) 50C) 60D) 10 Be Smart about Investing: Planning, Saving, and the Stock Market the plot explaining the plot. Kenjis dog has 3-12's of treats in the box of dog treats on monday. Hisdog ate 2-12's of treats on tuesday. What fraction more of the box of the treats did his dog eat on monday than tuesday IN 2013 The number of students in a small school is 284. it is estimated that the student population will increase by 4% every year. write formula for student population and estimate student population in 2020 there are 4 triangles, 12 sqaures and 6 circles. What is the ratio of squares to circles? Simplify. Which measurement has the LEAST capacity?2 gallons7 quarts19 pints30 cups (B)Fill in the blanks with appropriate forms of the adjectives from the brackets.2My friend is ___(old) than I am, yet he is not so (clever)as I am. Of course, Ranjan is the(intelligent) girl in our class, but I havenever scored( little) marks than her in any examination. Trish is ordering t-shirts from a website that charges a certain amount per t-shirt plus a flat rate for shipping. The cost for a given number of t-shirts is shown in the table. HELP PLEASE YEAH YEAH HERE IS THE IMAGE I need help please help me thanks A father a son are standing beside each other in the sun. The father is 2 meters tall and casts a shadow 4 meters long. The son is 1 meter long. How long is his shadow What function of language is involved when members of the LGBTQ (Lesbian, Gay, Bisexual, Transgendered, Queer) community struggle to find acceptable terms for describing sexual orientation?A. sharing meaningb. linguistic relativity c. linguistic determinismd. naming Which type of scientist studies how to use plants for food, medicine and other products?Pls help fast !!!!!!!!!!pleaseeeee 5. Which of the following poets was unable to attend college?A. Langston HughesB. Paul Laurence DunbarC. Countee CullenD. All of the above If the length of a rectangle is decreased by 6 cm and the width is increased by 3 cm, the result will be a square, the area of which will be 27 cm^2 smaller than the area of the rectangle. Find the area of the rectangle. PLZZZZZZ HELP WILL MAKE BRAINLIEST!!! Please help I really don't wanna fail this is so hard I will give brainliest to the person with the CORRECT ANSWERS !Please don't do it for the points :