Solve for x^2+x=5 for the exact values of x.

Solve For X^2+x=5 For The Exact Values Of X.

Answers

Answer 1
Exact form: x= - 1-√21/2 , - 1+ √21/2

Related Questions

Simplify:
3(8) ° . (3) -2

Answers

3 x 8 = 24

3 x -2 = -6

reply if you this was wrong or you needed a different answer pls >:(

someone please help!!

Answers

1) 0=3-8x
8x=3
X=3/8

2)3-8•0=3 g(x)=3

3)-5=3-8x
8x=3+5
8x=8
x=1

4)3-8•3=3-24=-19 g(x)=-19
Hope it helps

Convert 65.000.000 to scientific notation.

Answers

Answer:

6.5 x 10^4

Step-by-step explanation:

Answer:0*10^0

Step-by-step explanation:

Amanda has four boards that are each 64 inches long. She needs to cut each board into multiple pieces that are each 12 45 inches long. How many pieces will she have after she cuts all four boards?

Answers

Answer:

You need to divide 64 by 12/45. Whenever you divide fractions you keep the first number as it is, change the sign to multiplication and write the reciprocal of the second fraction which is you have to flip the fraction. It is going to be 64 times 45/12. Which is 240/1 which is 240.

Step-by-step explanation:

Using simple algebra, it is found that Amanda will be able to cut 20 pieces of [tex]12\frac{4}{5}[/tex] inches length.

What is algebra?

Algebra is the branch of mathematics that deals with mathematical operations and symbols operating on numbers, variables and expressions

Let Amanda cut total x pieces

Given that length of each piece =[tex]12\frac{4}{5}[/tex] inches = 64/5 inches

Total length cut for all the pieces can be found by multiplying the number of  pieces with length of each piece

Total length cut for x pieces = x × 64/5 =  64/5 x

Given that Amanda has 4 boards for cutting

Length of each board = 64 inches

Total length offered by 4 fours boards for cutting is calculated by  multiplying length of each board by 4 .

Total length offered for cutting by 4 boards = 4 × 64  = 256 inches

Therefore,

Total length cut for x pieces = Total length offered for cutting by 4 boards

⇒ 64/5 x = 256

⇒ x = 256/(64/5) = (256×5)/64 = 4×5 = 20

Therefore, There will be 20 pieces cut from all four boards .

Also, Learn more about algebra from the link below:

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Real quick question. need help plz

Answers

Add them all up and subtract it from 360

All figures with 4 sides have a total of 360 inside it.

Consider the linear function that is represented by the equation y = 2 x + 2 and the linear function that is represented by the graph below.

Which statement is correct regarding their slopes and y-intercepts?
A. The function that is represented by the equation has a steeper slope and a greater y-intercept.
B. The function that is represented by the equation has a steeper slope, and the function that is represented by the graph has a greater y-intercept.
C. The function that is represented by the graph has a steeper slope, and the function that is represented by the equation has a greater y-intercept.
D. The function that is represented by the graph has a steeper slope and a greater y-intercept.

Answers

Answer:

A

Step-by-step explanation:

Answer:

C. The function that is represented by the graph has a steeper slope, and the function that is represented by the equation has a greater y-intercept.

Step-by-step explanation:

Given function

y = 2x + 2

And a graph. We can see it is

y = 2.5x + 1

A. The function that is represented by the equation has a steeper slope and a greater y-intercept.

False

B. The function that is represented by the equation has a steeper slope, and the function that is represented by the graph has a greater y-intercept.

False

C. The function that is represented by the graph has a steeper slope, and the function that is represented by the equation has a greater y-intercept.

True

D. The function that is represented by the graph has a steeper slope and a greater y-intercept.

False

True or False? In reference to different sampling methods, systematic sampling includes the steps: list the members of the population; use simple random sampling to select a starting point in the population; let k = (number of individuals in the population)/(number of individuals needed in the sample); choose every kth individual in the list starting with the one that was randomly selected.

Answers

Answer:

True

Step-by-step explanation:

In the simple random sampling every individual in the population has an equal chance to be selected in the sample. Systematic sampling is a probability sampling in which selection of elements is made from order frame. These samples are selected based on intervals of the population.

graph the solution to the inequality on the number line 3b + 17 _< 4b +23 + 2b​

Answers

Answer:

b_>-2 so the circle is going to be on top of -2 and it is going to be closed, going to the right

HELP ME HELP ME HELP ME HELP ME

Answers

Answer:

i think it's A i hope it is

Answer:

D

Step-by-step explanation:

What is the slope of a line perpendicular to Line AB given A (6,2) and B (-3,2)

Answers

Answer:

slope is undefined

Step-by-step explanation:

Calculate the slope m of AB using the slope formula

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

with (x₁, y₁ ) = A(6, 2) and (x₂, y₂ ) = B(- 3, 2)

m = [tex]\frac{2-2}{-3-6}[/tex] = [tex]\frac{0}{-9}[/tex] = 0

A line with a slope of zero is a horizontal line, parallel to the x- axis.

Thus a line perpendicular to AB is a vertical line parallel to the y- axis.

The slope of a vertical line is undefined

identify the sequence 18,13,8,3,-2 PLZ HELPPPPP

Answers

The common difference between each term is -5. The nth term of the sequence as follows: aₙ = 18 - 5(n-1)

The given sequence is 18, 13, 8, 3, -2.

To identify the pattern in the sequence, we can observe that each term is decreasing by 5. Starting from 18, we subtract 5 to get the next term, and so on. The common difference between each term is -5.

Using this pattern, we can continue the sequence as follows:

-2 - 5 = -7

-7 - 5 = -12

-12 - 5 = -17

-17 - 5 = -22

The extended sequence would be -2, -7, -12, -17, -22.

In terms of the general formula, we can represent the nth term of the sequence as follows:

aₙ = 18 - 5(n-1)

For more such questions on sequence

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x + y = -7
-x+ 4y = 17
X=
y =

Answers

Answer:

x= -9,  y= 2

Step-by-step explanation:

5y=10

y=2

x+2=-7

x=-9

Answer:

x=-9y=2

Step-by-step explanation:

[tex]x + y = - 7[/tex]

[tex] - x + 4y = 17[/tex]

[tex]y = - 7 - x[/tex]

[tex]x = 4y - 17[/tex]

[tex]y = - 7 - 4y + 17[/tex]

[tex]5y = 10 \\ y = 2[/tex]

[tex]x = 4y - 17 = 4 \times 2 - 17 = 8 - 17 = -9 \\ x = -9[/tex]

Quiz Simplifying expressions
Question 1: 3x + 7 - 5x + 9

Answers

Answer:

8x+161

Step-by-step explanation:

-2x+16

3x(-5x) = -2x

7+9= 16

put it together and you get -2x+16

tell me some irrational numbers​

Answers

Answer:

square root of 2, pi, square root of 5, square root of 10, square root of 3, square root of 15

Step-by-step explanation:

Answer:

√8 √1.6 -√11 π √2/5

Step-by-step explanation:

Please answer correctly !!!!!!!!!!!!!!! Will mark brainliest !!!!!!!!!!!!!!!!

Answers

Answer:

c

Step-by-step explanation:

97 degrees. Any angle between 90 and 180 degrees is classified as obtuse

Answer:

If the angle right before cde is the actual mesuarment then your answer is 78 if thats not the  measurment then your answer is 97

Step-by-step explanation:

Raphael takes 15 pages of notes during 6 hours of math class. Then, he takes 35 pages of notes during 14 hours of math class. How many pages of notes would Raphael expect to take during 3 hours of math class?

Answers

Answer:

7 and 1/2 or 15/2 (they are the same number just one is 15/2 is put into fraction form)

Step-by-step explanation:

Because 3 hours is half of 6 hours so 15x1/2=7 1/2 or 15/2

Hope this helps, pls consider giving a brainliest, aand have a good day

A test is worth 50 points. Multiple-choice questions are worth 1 point, and
short-answer questions are worth 3 points. If the test has 20 questions, how
many multiple-choice questions are there?
A. m + s = 50
B. m + 2s = 20
C. m.s= 20
D. m + s = 20

Answers

Answer:

d) m + s = 20

m = 5

Step-by-step explanation:

m + 3s = 50

m + s = 20

m + 3(20-m) = 50

m + 60 - 3m = 50

60 - 2m = 50

60 = 50 + 2m

60 - 50 = 2m

10 = 2m

5 = m

132 days to 110.4 days

Answers

382.4 days from 132 days t 110.4 days

what is the area of tile 10 in.6 in.and 8 in​

Answers

Answer:

480

Step-by-step explanation:

u multiply 10x6x8=480

So first to solve the problem you do 10x6= 60 and then you 60x8= 480

so the area is 480 inches

X-5=20 show work pleaseeeeeee

Answers

Answer:

x-5=20

x=20+5    (When bringing -5 to the other side of the equal, it changes to +5)

x=25

Name a pair of numbers which would represent the slopes of perpendicular lines.

Answers

the slopes could be 2, -1/2

After making a deposit,puja had $264 in her savings account.She noticed that if she noticed that if she added $26 to the amount originally in the account and doubled the sum,she would get the new amount.How much did she originally have in the account.

Answers

Answer:

Let the original deposit be  

x

Add $26 to original deposit

x

+

26

And doubled the sum

2

(

x

+

26

)

You get the new amount

2

(

x

+

26

)

=

264

Multiplying out the bracket

2

x

+

52

=

264

Subtract 52 from both sides

2

x

=

264

52

2

x

=

212

Divide throughout by 2

x

=

106

So the original amount was $106.00

A music store is receiving a shipment of Ipads. Each box comes with 12 white, 12 black and 24 grey
Ipads. They already have 23 white, 16 black and 22 grey Ipads. If the store is receiving 5 boxes, how
many of each color Ipad will they have?

Answers

Answer:

142 Grey, 83 white, 76 black

Step-by-step explanation:

If you were to take 5 boxes and put 24,12,12 in each, then multiply each number by 5 you wpuld get 120 Grey, 60 white and 76 black. Then you would add what they already have 120 Grey + 22 Grey is 142 grey, 60 white + 23 white is 83 white, and 60 black + 16 black is 76 black.

OMG FREE BRAINLIESTOMGGGG!!!AHHH

Answers

Answer:

thank yoy so much for these free points, and I hope you have the best day because you deserve to have a really good day

Step-by-step explanation:

Please mark me as brainliest!

Answer:

awwww tyyy!! that was rlly kind of you!! :3 have a nice day <3 (also sorry if I'm too late XD)

Step-by-step explanation:

tyyy again!!

Allen's miniature train travels at a rate of 20 meters in 2 minutes. At this rate, how far will the train travel in 10 minutes?

Answers

Answer: 100

Step-by-step explanation:

20 - 2

x - 10

Cross multiply 20 * 10.

20 * 10 = 200

Then divide 200 by 2.

200 / 2 = 100

Which of the methods can you use to solve −2/3 c=16

Answers

Answer:  simplify

Step-by-step explanation:

Answer:

Divide each side by -2/3

Step-by-step explanation:

-2/3 is being multiplied by c. So we have to do the inverse of multiplication which is division.

Which expression is equivalent to 2(a+3) when a=3?
O 2(3)
05(3)
O 2(3)+3
O 2(3)+6

Answers

Answer:

The answer is 2(3)+6

Step-by-step explanation:

The perenthesis means multiplication so you would first do 2 times three which is 6 and then 6+6=12 and the first expresion is 2(a+3) a=3 to solve that you would do whats in the perenthesis 3+3 which equals 6 and then the 6 in the perenthesis means mulitplication. so then you would do 2 times 6 and get 12. so the 3rd one is the answer.

HELP ME PLEADE I NEEDDDD HELPP

Answers

Step-by-step explanation:

I hope this helps, happy learning!!

Complete the two column proof.

Answers

Answer:

not sure about 2 and 5 but 4 is definition of congruency

Enzo and Beatrice are playing games at their local arcade incredibly ends wins five tickets from every game in the trees wins 11 tickets from every game when they stop playing games Enzo in the trees had won the same number of total tickets what is the minimum number of games that Enzo could have played

Answers

Answer:

22 games

Step-by-step explanation:

In order to find the minimum number of games that Enzo played we need to find the least common multiple of tickets where both Enzo and Beatrice are equal. To do this we simply find all the multiples of the number of games each could have played by the number of tickets per game until we find one in common.

5*1 = 5                   11*1 = 11

5*2 = 10                 11*2 = 22

5*3 = 15                  11*3 = 33

5*4 = 20                 11*4 = 44

5*5 = 25                 11*5 = 55

...                             ...

...                             ...

...                             ...

5*22 = 110               11*10 = 110

Finally, we can see that the minimum amount of games that Enzo needs to play in order for both Enzo and Beatrice to have the same amount of tickets is 22 games.

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