x(x-1)-x^2+2x=5 :))))))

Answers

Answer 1

Answer:

[tex]x(x - 1) - {x}^{2} + 2x = 5 \\ {x}^{2} - x - {x}^{2} + 2x = 5 \\ \therefore \: x \: = 5[/tex]

Answer 2

Answer:

x=5

Step-by-step explanation:

[tex]x(x-1)-x^2+2x=5[/tex]

expand by using distributive property

[tex]x^2-x-x^2+2x=5[/tex]

simplify

x=5

check work by substituting 5 into the original equation and simplify

use PEMDAS

[tex]5(5-1)-5^2+2(5)=5[/tex]

[tex]5(4)-25+10=5[/tex]

add and subtract  (left to right)

20-25+10=5

5=5

The equation is true, thus x=5


Related Questions

(-5,4); m=3
what is the equation of the line?​

Answers

Answer:

y = 3x + 19

Step-by-step explanation:

Point slope formula: y-y1=m(x-x1)

y - 4 = 3(x - (-5))

y - 4 = 3(x + 5)

y - 4 = 3x + 15

y = 3x + 19

121°
(9
)
106
C=
How do I find the variable of c

Answers

Answer:

I have no clue to be honest. im just answering for points so I can ask some of my questions

Please help me with this

Answers

Answer is 6 (D)

45 - 39 = 6
39 - 33 = 6
33 - 27 = 6

Answer:

A. - 6

Is the common difference

see the expressions below that prove so.

Step-by-step explanation:

The sequence shows -6 to each number is same as k-6 or even n-6

we use such letters to represent 1 value. Also the reason it is a negative number is because the numbers are decreasing within the sequence.

The nth expression is the first term equation shows -6n

and the number prior to 45 is  45+6 = 51

Put together this creates our nth term =   -6n + 51

The next term is where we use the common difference also.

next nth term =  (27) + (- 6) = 21   and so on proves it the 5th term

5th nth term = -6 x 5 +51 = 21

100th nth term = -6 x 100 +51 = -549

is every even number greater than 2 the sum of 2 primes?

Answers

Answer:

yes

Step-by-step explanation:

A graphed line has a slope of which of the following points could the line contain?
A. (15, 13) and (0, 4)
B. (3, 9) and (6, 14)
C. (0, 4) and (19, 9)
D. (5, 7) and (10, 10) ​

Answers

Answer is B

A. 4-13/0-15 = -9/-15 = -3/-5
B. 14-9/6-3 = 5/3
C. 9-4/19-0 = 5/19
D. 10-7/10-5 = 3/5

please someone help me with this pleaseee I'm giving brainliest!!

Answers

Answer:   11

[tex]\sqrt{114}[/tex] = 10.67707825

rounded to nearest whole number would be 11

Answer:

11

Step-by-step explanation:

How do I add the letters

Answers

Answer:

add

Step-by-step explanation:

because adddffffycy8gc

Please Please Please help me

Answers

Answer:

18 [tex]\sqrt{5\\}[/tex]

Step-by-step explanation:

Answer:

Original: 40.249223595

Simplified: 40.2

Step-by-step explanation:

3√5 = 6.7 (simplified)

15√5 = 33.5 (simplified)

6.7 + 33.5 = 40.2

what is 3 ÷ 2 with step please

Answers

Answer:

1.5

Step-by-step explanation:

3/2

12) Between which two whole numbers is The square root of 18
A) 4 and 5
B) 5 and 6
C) 17 and 18

Answers

Answer A
The sqrt(16) is 4 and the sqrt(25) is 5. 18 is between these two numbers

Answer:

4 and 5 it's because/√18 is eauals to 4.2426

Point M is located at (-2,7). If point N is 13 units away from point M, how many possible cordinate pairs

Answers

Answer:

(-15,7) (11,7) (-2,20) (-2,-6)

Step-by-step explanation:

There are four possible coordinate pairs which are (-15,7), (11,7), (-2,20) and (-2,-6).

Given that Point M is located at (-2,7).

If point N is 13 units away from point M,  we have to find the possible cordinate pairs.

When N is vertically upwards of M, then the x point will not change but the point y is increased by 13.

So the point N is located at (-2, 7+13) which is (-2, 20).

When N is vertically downwards of M, then the x point will not change but the point y is decreased by 13.

So the point N is located at (-2, 7-13) which is (-2, -6).

When N is horizonatally rightside of M, then the y point will not change but the point x is increased by 13.

So the point N is located at (-2+13, 7) which is (11, 7).

When N is horizonatally leftside of M, then the y point will not change but the point x is decreased by 13.

So the point N is located at (-2-13, 7) which is (-15, 7).

Hence, there are four possible coordinate pairs which are (-15,7), (11,7), (-2,20) and (-2,-6).

To learn more on Graph click:

https://brainly.com/question/17267403

#SPJ3

- 8x – 3=17 - given -8x=20​

Answers

Answer:

-20

Step-by-step explanation:

I belive )

you could check using the internet step by step

Circle A has a circumference of 2 2/3m. Circle B has a diameter that is 1 1/2 times as long as Circle As diameter. What is the circumference of Circle B?

Answers

Step-by-step explanation:

the circumference of a circle is

c = 2×pi×r

with r being the radius.

the diameter of a circle is always twice its radius.

circle A

2 2/3 = 8/3 = 2×pi×r

4/3 = pi×r

r = 4/3 / pi = 4/(3×pi) = 0.424413182... m

the diameter is then : 0.848826363... m

the diameter of B is 1.5 times the diameter of A :

1.273239545... m

therefore, the radius of B is 0.636619772... m

and so, the circumference of B is

2×pi×0.636619772... = 4 m

of course, if we had considered that both diameter and circumference are in linear dependence (see the formula for the circumference), we could get the result much faster. if the diameter increases 1.5 times, then also the circumference increases 1.5 times :

2 2/3 = 8/3 × 1.5 = 8/3 × 3/2 = (8×3)/(3×2) = 8/2 = 4 m

(x+4)^2 as a trinomial please!!

Answers

The answer is x^2 + 8x + 16

Anyone know this one?? Please help asap

Answers

Answer:

4th option

Step-by-step explanation:

6x-3= Ax-3-2x

6x-3= (A-2)x -3

6= A-2

A= 6+2

A=8

Given :-

A equation 6x - 3 = Ax - 3 - 2x

To Find :-

The value of A so that the equation has infinitely many solutions .

Solution :-

Given equation ,

6x - 3 = Ax - 3 - 2x .

Add 3 to both sides ,

6x = Ax - 2x

Add 2x to both sides ,

6x + 2x = Ax

Simplify ,

8x = Ax

Divide both sides by A .

A = 8

Hence the value of A should be 8 .

PLEASE ANWSER CORRECTLY!! I WILL MARK BRAINIEST!!

Answers

Answer:

Since angle 1 = angle 3 (vert opp angles),

angle 1 = angle 3 = 180°-129° (adj angles on a str line)

                            = 51°

angle 4 = angle 2 = 129° (vert opp angles)

Hence,

angle 1 = 51°

angle 3 = 51°

angle 4 = 129°

Yeah I need this answer

Answers

Answer: it’s B or D

Step-by-step explanation:

please helpp with this venn diagram :)

Answers

Answer: It would be D

Step-by-step explanation: Because it is saying that A , B and C are been joint together so it is union .

Answer:

(D)

Step-by-step explanation:

the wite part is AUBUC and shaded is its complement

please help!! I’ll give you brainliest answer!! Find the value of
x to the nearest tenth.

Answers

A^2 + B^ = C^2
First solve the smaller triangle since we have both sides. I’m calling h the third side.

4^2 + 5^2 = h^2
16 + 25 = h^2
H^2 = 41 (take the square root)
H = 6.4

Now we use that number with the side = 6 the same way to get X.

6^2 + 6.4^2 = x^2
36 + 41 = x^2
77 = x^2 (take square root)
X = 8.8 (rounded up)

Three angles are in the ratio 2 : 3 : 5. The smallest angle is 50⁰.Work out the sizes of the other two angles.

Answers

ratio = 50 ÷ 2 = 25° ( ratio numerical)

25 × 3 = 75° ( 2 angle)

25 × 5 = 125° ( angle 3)

50° ( given as angle 1 )

- BRAINLIEST answerer ❤️

y=6x+2

answer asappp​

Answers

Slope: 6
Y-intercept: 2

The equation is graphed in the image below

The highway has a maximum speed limit of 55 mph. Which vehicles are safely
obeying this speed limit? Check all that apply.

Answers

Answer:

the limousine, the sorts car and the school bus

mathematics question

Answers

Answer: a

adding the two polynomials will give you the answer a

if you'll add the two polynomials above it appeared that the answer is letter B

phân tích đa thức:
x^3+3x^2+3x+1

Answers

(x+1)^3

Hope your having a positive day

Please find attached photograph for your answer.

A trampoline was originally priced at $100 but went on sale for 60% off. If Emmett bought the trampoline and paid 5% sales tax, how much did he pay in total?

Answers

Answer:

55

Step-by-step explanation:

Answer:

$42

Step-by-step explanation:

You will have to take 60% out from $100 and after add 5% on top if it.

The calculation should look like this:

(100 - 60%) + 5% = 42

eugheugh eughhhh I've been listening to my comfort playlist stressing about this test for too long Please just help ;-;

Answers

Answer:

2 and 4 are correct

Step-by-step explanation:

1 is incorrect because 4/5 being bigger than 7/10

3 is incorrect because 2/3 is more than 5/9

how do you round 3.36 to the tenths place

Answers

Answer: 3.4

Step-by-step explanation: Because, you're rounding to the nearst tenth and .36 has a 6 in it anything above a 5 you round up and anything under you round down.

How many triples of three positive integers have a product of 16?

Answers

There are 15 possible triples of three positive integers whose product is 16.

According to this question, we must find the quantity of all possible triples such that they have a product of 16. By factor decomposition, we have that 16 is equal to the following product of prime numbers:

[tex]16 = 2^{4}[/tex]

There are the following triples considering order of factors:

(i) [tex]\{16, 1, 1\}[/tex], (ii) [tex]\{1, 16, 1\}[/tex], (iii) [tex]\{1, 1, 16\}[/tex], (iv) [tex]\{2, 8, 1\}[/tex], (v) [tex]\{8, 2, 1\}[/tex], (vi) [tex]\{8, 1, 2\}[/tex], (vii) [tex]\{2, 1, 8\}[/tex], (viii) [tex]\{1, 2, 8\}[/tex], (ix) [tex]\{1, 8, 2\}[/tex], (x) [tex]\{1,4,4\}[/tex], (xi) [tex]\{4, 1, 4\}[/tex], (xii) [tex]\{4,4,1\}[/tex], (xiii) [tex]\{2,2,4\}[/tex], (xiv) [tex]\{2, 4, 2\}[/tex], (xv) [tex]\{4,2,2\}[/tex]

There are 15 possible triples of three positive integers whose product is 16.

We kindly invite to check this question on factor decomposition: https://brainly.com/question/2250220

The measure of one angle is 7 times the measure of its COMPLIMENT. Find the measure of each angle.

Answers

Step-by-step explanation:

given,

the complete angle is complementry angle which is 90°

let the first angle be x and second angle be 7x ( as second angle is 7 times more than first angle )

now,

x + 7x = 90

8x = 90

x = 90/8 = 11.25

therefore

1st angle = x = 11.25°

2nd angle = 7x = 7 × 11.25 = 78.75°

hope this answer helps you dear take care and may u have a great day ahead!

Solve this please I will give you max points

Answers

Answer:

1/2

Step-by-step explanation:

There are 19 terms according to the numerators (1 through 19).

Each pair of the first 18 terms sum to 1/20:

19/20 - 18/20 = 1/2017/20 - 16/20 = 1/20...3/20 - 2/10 = 1/20

These 18 terms sum to:

9*1/20 = 9/20

Add the last term:

9/20 + 1/20 = 10/20 = 1/2

The overall sum is 1/2

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