y (y + 2) = y2 - 6
also
2 [x - (1-3x)] = 3 (x + 1)

Answers

Answer 1

Answer:

Step-by-step explanation:

y(y+2)=y²-6

y²+2y=y²-6

2y=-6

y=-3

2[x-(1-3x)]=3(x+1)

2[x-1+3x]=3x+3

2(4x-1)=3x+3

8x-2=3x+3

8x-3x=3+2

5x=5

x=1


Related Questions

Work out the circumference of this circle with radius 7.5cm

Answers

Answer:

47.12 cm

Step-by-step explanation:

C=2πr

2·π·7.5≈47.12389cm

Round: 47.12

Answer: 47.1

Step-by-step explanation:

The formula is 2*[tex]\pi[/tex]*7.5.

so it would be 2*3.14*7.5 witch equals to 47.1

I need help with this, all answers please?

Answers

The answer is 100 not many people actually know that

ILL GIVE BRAINIEST FOR THE RIGHT ANSWER!!! PLS HELP

Answers

Answer:

Your answer would be 96vw^7/x

Step-by-step explanation:

0.96w^7v/x

I'm pretty sure this is the right anwser I hope this helps.

which of the segments below is a radius?

Answers

Answer:

OZ

Step-by-step explanation:

radius goes from the circle center point, outward.

Answer: OZ, OK, OG

Step-by-step explanation: each of these segments have a connection directly from the center of the circle to the edge of the circle

Select the two values of x that are roots of this equation.
x2 - 5x+ 3 = 0
-
A. X
5+ 13
=
N
IB=
B. x = 5+y87
37
2
O
C.
5 - 13
X =
2
D. X =
5 - 37
N

Answers

Answer:

A. and C.

Step-by-step explanation:

1. Plug in the values of a, b, and c into the quadratic formula:

[tex]x= \frac{-(-5)+-\sqrt{(-5)^{2}-4(1)(3) } }{2(1)}[/tex]

2. Solve the sqaure root:

[tex]x= \frac{-(-5)+-\sqrt{25-12} }{2(1)} \\\\x =\frac{-(-5)+-\sqrt{13} }{2(1)}[/tex]

3. Simplify the rest:

[tex]x=\frac{5+-\sqrt{13} }{2}[/tex]

4. Separate the solutions:

[tex]x= \frac{5+\sqrt{13} }{2} , x= \frac{5-\sqrt{13} }{2}[/tex]

A and C represent these solutions, therefore they are the anwsers.

hope this helps!

Someone please help ASAP!!! I need both of these done before 12:00!!! Giving brainliest to best answer!!! you can do it!!

Answers

Answer:

8. 6/12

9. 8/ 42

..........

Answer:6/128/42Solution:Multiply the numerator of the first fraction times the numerator of the second fraction:3•2=6Same with the denominator:4•3=12hence, the fraction is 6/12.Same with the second pair of fractions:2•4=87•6=428/42

Hope it helps.

Do comment if you have any query.

What polygon is shown?

Answers

Answer:

Pentagon

Step-by-step explanation:

When calculating a loan’s effective rate, if the interest compounds every two months, what value of n do you plug into your equation? a. 2 b. 0.167 c. 6 d. 60

Answers

The value of n you plug into your equation will be 6. Then the correct option is C.

What is compound interest?

Compound interest is the interest on a loan or deposit calculated based on the initial principal and the accumulated interest from the previous period.

When calculating a loan’s effective rate.

If the interest compounds every two months.

Then the value of n you plug into your equation will be

If the interest is compounded every two months, the interest will be applied six times every year.

Because there are 12 months in a year, the value of n that you will plug into your equation is 6, and it will be compounded every two months.

More about the compound interest link is given below.

https://brainly.com/question/25857212

What is the value of this expression?

{5×(13−8)}+12÷6

Answers

[tex]\qquad\qquad\huge\underline{{\sf Answer}}[/tex]

Let's evaluate ~

[tex]\qquad \tt \dashrightarrow \: \{5 \times (13 - 8) \} + 12 \div 6[/tex]

[tex]\qquad \tt \dashrightarrow \: \{5 \times (5) \} + 12 \div 6[/tex]

[tex]\qquad \tt \dashrightarrow \: \{5 \times 5\} + 2[/tex]

[tex]\qquad \tt \dashrightarrow \:25 + 2[/tex]

[tex]\qquad \tt \dashrightarrow \:27[/tex]

given:

{5×(13−8)}+12÷6

to find:

the value of the expression.

solution:

we'll have to follow the BODMAS rule to solve this.

{5×(13−8)}+12÷6

= {5 × (5)} + 12 ÷ 6

= 25 + 2

= 27

Vladimir rolls a six-sided number cube 36 times. if getting a 3 is a success, what is the probability of a success? one-sixth one-third two-thirds five-sixths

Answers

1/6 is your answer. Have a good day

Answer: A

Step-by-step explanation:

Ebony had a sum of money.
She kept ½ for herself. She decided to give the rest away to family and charity.
¾ of the money she gave away went to family.

a) What fraction of the total amount did Ebony give to charity?

a)If the amount was £200, how much money did she give to family?

Answers

Answer:  She gave a fraction of 1/4 to charity, and she gave $150 to family

Step-by-step explanation:  Ebony had a totaly of $200 dollars to start with to give away that means if she gave 3/4 of $200 to family that would mean she gave $150 dollars to her family

Now the other part of the question is how much of the total amount did Ebony give to charity now if I understand that part correctly then it wants you to give the fraction of the total which would be she gave 1/4 out of the $200 she had for family and charity which means she gave 1/4 of $200 which is $50 to charity

Hope this Helps!

John has a bag of different colored marbles. He has 6 red marbles, 3 blue marbles, 7 yellow marbles, and 5 green marbles. If John reaches into the bag and randomly pulls out a marble, what is the probability that the marble will be blue? (If necessary, round to the nearest tenth.) (as a percent please!!)

Answers

Answer:

P(blue) ≈ 14.3%

Step-by-step explanation:

probability P is calculated as

P = ( favourable outcome ) ÷ ( total number of possible outcomes )

here favourable outcome is blue of which there are 3

number of possible outcomes is the total = 6 + 3 + 7 + 5 = 21

P(blue) = [tex]\frac{3}{21}[/tex] = [tex]\frac{1}{7}[/tex]

to convert to a percentage multiply the fraction by 100%

P (blue) = [tex]\frac{1}{7}[/tex] × 100% = 100% ÷ 7 ≈ 14.3% ( to the nearest tenth )

Answer:

14.3%

Step-by-step explanation:

What is the value of x so that the mean is 5. 7, x, 5, 3, 2

Answers

Answer:

8

Step-by-step explanation:

The 'mean' is the same as the 'average'

( 7 + x + 5 + 3 + 2) / 5    =  5

 7+x+5+3+2 = 25

     x = 8

Two bags, A and B, each contain only green marbles and red marbles.
There are 6 green marbles and 4 red marbles in bag A.
There are 8 green marbles and 2 red marbles in bag B.
One marble is going to be taken at random from bag A and placed in bag B.
A marble is then going to be taken at random from bag B.
Work out the probability that this marble will be a green marble. ​

Answers

Using it's concept, it is found that there is a 0.7818 = 78.18% probability that this marble will be a green marble. ​

What is a probability?

A probability is given by the number of desired outcomes divided by the number of total outcomes.

There are two ways to end up with a green marble selected.

Green in bag A(6/10 probability) and in bag B(9/11 probability).Red in bag A(4/10 probability) and green in bag B(8/11 probability).

Hence, the probability that this marble will be a green marble is given by:

[tex]p = \frac{6}{10} \times \frac{9}{11} + \frac{4}{10} \times \frac{8}{11} = \frac{54 + 32}{110} = 0.7818 = 78.18\%[/tex]

More can be learned about probabilities at https://brainly.com/question/14398287

Find the zeros of the function p(x) = -9x^2 + 1

Answers

Step-by-step explanation:

zeroes = x intercept.

to find the x intercept we let y or in this case p(x) = 0

Hence,

-9x^2 + 1 = 0

-9x^2 = -1

x^2 = 1/9

x = 1/3

x = -1/3

x is 50% more than y. Write down a ratio in the form of y:x .

Answers

Answer: 50:50 i think

Answer:

2 : 3

Step-by-step explanation:

if x = 3, y = 2

The difference : x - y = 3 - 2 = 1

represents for "y":

[tex]\frac{1}{y}(100) =\frac{1}{2} (100)=50[/tex]%

Hope this helps

what does x equal
18 ÷ x = -2
-9
9
-6
-8

Answers

Answer:

x=-9

Solution:18÷x=-2Multiply both sides by x18=-2x-2x=18Now, divide both sides by -2:x=-9

Hope it helps.

Do comment if you have any query.

Answer:

The answer is -9

Step-by-step explanation:

I hope this helps!

18/-9=-2

What is the first step in constructing an inscribed circle inside triangles XYZ?

Answers

Construct a perpendicular from the center point to one side of the triangle

a sector of a circle with radius 21cm has an area of 280cm², find the perimeter of the sector.​

Answers

Answer:

26.67 cm

Step-by-step explanation:

Area of a sector

A = πr² x θ/360°280 = 22/7 x 21 x 21 x θ/360°280 = 22 x 3 x 21 x θ/360°40 = 22 x 9 x θ/360°40 = 22 x θ/40°1600 = 22 x θθ = 1600/22 = 800/11 = 72.7°

Finding Perimeter (Arc Length)

2πr x θ/360°2 x 22/7 x 21 x 800/11 x 1/3602 x 22 x 3 x 800 x 1/11 x 1/360132/11 x 800/36012 x 20/912/9 x 204/3 x 2080/326.67 cm

The length is 2 units,the width is 5 units,and the height is 7 units

Answers

2x5x7= 70 is the answer

Find an angle θ coterminal to -575∘, where 0∘≤,θ,<360∘

Answers

Multiple this then make the same sin

Help please I need help with 15,16,17,18

Answers

For 15 its just the shape, if you draw a shape based on the dots, compare them. Like left one is a bit taller and wider.

16: for left one median is 8 i think. Right one is 9.5 i think
17: for left one, 13 is an outlier, for right one, 11.5 is outliner. You just write the beginning and ends including and not including those outliers.
18: people in group A were kids and people in group B were adults because their shoe sizes are much higher.

Place the following numbers on the number line. -2.42,-0.8, 0.33, 1.23​

Answers

Answer:

On a number line, -2.42 would be first on the left, then -0.8, 0.33, and 1.23

Step-by-step explanation:

Find the value of x.
x = 10
x = 25
x = 11
x = 21

Answers

Answer:

[tex]21[/tex]

Step-by-step explanation:

the answer is 21 because the chords of the circle are both equal.

What remainder is represented by the synthetic division below?

A vertical line and horizontal line combine to make a L shape. There are two rows of entries within the shape. Row 1 has entries 2, 10, 1, 5. Row 2 has entries blank, negative 10, 0, negative 5. Entry negative 5 is on the outside to the left of the shape, and a third row of entries is outside and below the shape. Row 3 has entries 2, 0, 1, 0.
–5
0
1
2

Answers

Answer:

the asnwer is 0

Step-by-step explanation:

Hope it help :D

Answer:

B

Step-by-step explanation:

The answer is 0 on edge

PLEASE HELP FAST!!! I’ll give brainliest

Answers

Quadratic and trinomial. Because highest degree is 2 and there are 3 terms

What is the length of the diagonal of the rectangle?

Answers

Answer:

Length of diagonal of the rectangle is 21.25 units.

Step-by-step explanation:

Here we are given Length of the rectangle 17 and Width 12.75. To find length of the diagonal of the rectangle we will substitute the value of length and width in required formula:

We know that,

[tex] \\ \: \: \dashrightarrow \: \: { \underline{ \boxed{ \pink{ \pmb{\mathfrak {Diagonal = \sqrt {(Length)^2 + (Width)^2 }}}}}}} \\ \\ [/tex]

Substituting the required values:

[tex] \\ \: \: \dashrightarrow\sf \: \: Diagonal = {\sqrt{(17)^2 + (12.75)^2}} \\ \\ [/tex]

[tex]\: \: \dashrightarrow\sf \: \: Diagonal = \sqrt{289 + 162.5625} \\ \\ [/tex]

[tex]\: \: \dashrightarrow\sf \: \: Diagonal = \sqrt{451.5625} \\ \\ [/tex]

[tex]\: \: \dashrightarrow \: \: \pink {\underline{ \boxed{ \pmb{\frak {Diagonal = 21.25}}}}} \\ \\ [/tex]

Hence,

Length of diagonal of the rectangle is 21.25 units.

Step-by-step explanation:

Given :-

Length of rectangle = 17 unit width of rectangle = 12.75 unit

To find :-

⇝ Diagonal of rectangle

Solution :-

Formula for finding length of rectangle =

[tex] \sqrt{(length) {}^{2} + (width) {}^{2} } [/tex]

putting the known values ,

[tex] \sqrt{(17) {}^{2} + (12.75) {}^{2} } [/tex]

[tex] \sqrt{289 + 162.5625} [/tex]

[tex] \sqrt{451.5625} [/tex]

[tex]21.25 \: unit[/tex]

Which statement is not true about the data set shown?

Answers

The median is not 82. So option one is the answer.

Points and their residual values are shown in the table. a 3-column table with 5 rows. the first column is labeled x with entries 1, 2, 3, 4, 5. the second column is labeled y with entries 2, 3.5, 5, 6.1, 8. the third column is labeled residual value with entries negative 0.4, 0.7, negative 0.2, negative 0.6. which residual value is the farthest from the line of best fit? 0.19 0.7 2 8

Answers

The residual value, which is the farthest from the line of best fit for the table which shows points and their residual values, is 0.7.

What is residual value?

The residual value is the estimated value which is calculated for the end of the lease terms for a fixed asset.

Points and their residual values are shown in the table. A 3-column table with 5 rows.

 x                               1,     2,     3,     4,     5.  y                               2,   3.5,   5,    6.1,    8.Residual Value       -0.4, 0.7,  -0.2, -0.6   0

The simple regression line can be represented as,

[tex]\hat y=\alpha +\beta X+\hat e[/tex]

Here α is the constant, β is the slope and e is the residue.

The point which is farthest from the best fit of the line is 3.5. At y=3.5, the value of residue is 0.7.

Thus, the residual value, which is the farthest from the line of best fit for the table which shows points and their residual values, is 0.7.

Learn more about the residual value here;

https://brainly.com/question/1168961

Answer:

0.7

Step-by-step explanation:

edge

The median value is what?

Answers

Answer:

Median = 45

Step-by-step explanation:

It's the 5 number summary.

[tex]min = 23[/tex]

[tex]q1 = 32[/tex]

[tex]median = 45[/tex]

[tex]q3 = 66[/tex]

[tex]max = 77[/tex]

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