Consider solving 푥2+12푥+5=0by completing the square. What number should be added to both sides of the equation? 푥2+12푥+_____=−5+_____a. -36b. 36c. 16d. -16

Answers

Answer 1

Answer:

B. 36

Step-by-step explanation:

The equation in question is not well written. Let the equation be;

x²+12x+5 = 0

In order to know what number should be added to both sides of the equation, we will take the square of the half of coefficient of x as shown;

Coefficient of x = 12

Half of 12 = 1/2(12) = 6

Square of 6 = 6² = 36

Hence the required number to add to both sides of the equation by completing the square method is 36


Related Questions

answer pleaseeeeee i dont get this

Answers

Answer:

I don't really now! What grade are you in? I think he needs 10 cherry tomatoes or 24 I don't really know! Don't listen to me! I just making a educated guess.

Step-by-step explanation:

Answer:

60 cherry tomatoes for large salad and 24 cherry tomatoes for small salad

Step-by-step explanation:

10 x 6 equals 60 cherry tomatoes for the first row, for the second multiply 4 times 6 which equals 24 cherry tomatoes.

what's the value of x 16x+9​

Answers

Answer:

x2+16x=9 x 2 + 16 x = 9. To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of b b . (b2)2=(8)2 ( b 2 ) 2 . x^2+16x+9=0

Step-by-step explanation:

if this is not

Bagels at Walmart are 4 bagels for $3.00. What is the unit rate?

Answers

Answer:

0.75 per bagel

Step-by-step explanation:

$3.00 divided by 4 bagels is 0.75 cents for a bagel

The unit rate is $1.3.

To find unit rate you divide.

So in this problem you divide 4 by 3.00 and get 1.3333333 ect. It’s just 1.3. Then add the $ sign. So the answer is $1.3.

what three ratios are equivalent to 11: 1

Answers

Answer:

33/3  

55/5

77/7

When these are simplified, they are equal to 11/1

Helppp againnn... please-

Answers

Answer:

Its 16/81

Step-by-step explanation:

A cylinder has a total surface of 3,41946cm2 and a diametre of 0,66cm. What is its height? Step by step

Answers

Answer:

Total surface Area(A) = 2pi*r(r+h)

Diameter D= 2r

r=0.66/2=0.33cm

A=3.41946

3.41946=2*3.143*0.33(0.33+h)

3.41946=2.0744(0.33+h)

3.41946/2.0744=(0.33+h)

1.6484=0.33+h

1.6484-0.33=h

h=1.3184cm

Step-by-step explanation: Total surface area is different from area around the cylinder.

i need help plz!!!! i dont under stand

Answers

Answer:

Point Form:

( 0 , 3 )

Equation Form:

x = 0 , y = 3

Step-by-step explanation:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

4. An annual pass covering emtrance fees to more than
2,000 national parks costs $80. If the total income from
the annual passes is $12,800 in one month, which equation
can you use to find the number of passes purchased that month?
F. 12,800p = 80
H. 80p = 12,800
G. 12,800 – p = 80
J. 80 + p = 12,800

Answers

Answer:

Search it up

Step-by-step explanation:

Someone already answered it on brainly

please help with thisss​

Answers

Answer:

11, 17

Step-by-step explanation:

The difference between -7 and -1 is +6, and -1 and 5 is +6 as well. So 5+6 = 11

and 11 + 6 = 17

its 11, 7 :)) i checked

PLZ HELP!!!

Carmen enters a painting in an art contest. The contest rules say that all paintings must be rectangular with an area no greater than 3,003.84 cm2 . Carmen's painting is 16 cm wide.

What is the greatest length the painting can have and still have an area within the contest rules?

Answers

Answer:

[tex]187.74\:\mathrm{cm}[/tex]

Step-by-step explanation:

The area of a rectangle is given by [tex]l\cdot w[/tex]. Therefore, we can set up the following inequality:

[tex]l\cdot 16 \leq 3,003.84[/tex].

Solving this inequality, we have:

[tex]l \leq 187.74[/tex].

Therefore, the largest length Carmen's painting can be is [tex]\fbox{$187.74\:\mathrm{cm}$}[/tex].

Only answer the part where it says her bonus will be______

Answers

Her bonus would be four dollars. I hope this helped!

Answer:

her bonus will be a big paycheck of 99999

Question 1 (Multiple Choice Worth 1 points)
(01.02 LC)
Solve for x: 3(x + 1) = 2(x - 1)
0-5
O-4
w
0-2
0-1
Help plssss

Answers

Answer:

-5

Step-by-step explanation:

we distribute the 3 and 2 on both sides to get:

3x+3=2x-2

we can subtract 3 on both sides to get

3x=2x-5

Now we subtract 2x on both sides to get

x=-5

Hope this helps :)

2. The sum of two numbers is 51 and the greater number is twice the smaller number. Find the numbers aj set up the variables (2 marks) Let Then represent the first number will represent the second number b) What is the equation that represents the above situation? (2 marks) c) Solve the equation. (2 marks)

Answers

Answer:

Larger number = 34

Smaller number = 17

Step-by-step explanation:

Given that:

Sum of numbers = 51

Let,

x be the larger number

y be the smaller number

According to given statement;

x+y=51       Eqn 1

x = 2y        Eqn 2

Putting x=2y in Eqn 1

2y+y=51

3y=51

Dividing both sides by 3

[tex]\frac{3y}{3}=\frac{51}{3}\\y=17[/tex]

Putting y=17 in Eqn 2

x=2(17)

x=34

Hence,

Larger number = 34

Smaller number = 17

Solve for y.
3/11=6/y

Answers

Solve for y.3/11=6/y

ANSWER

[tex]y = 22[/tex]

EXPLANATION

Multiply both sides by y × 11

[tex]3y = 6 \times 11[/tex]

Solve a solution to y

[tex]y = 22[/tex]

HopeItHelps you

PLS HELP AND EXPLAIN THE ANSWER

Answers

Answer:

the answer is d!! I hope it helped please lmk if not

The answer above is wrong, it is A

Which expression is equivalent to (x +9i)2?
A. x2 + 18x + 81
B. x2 + 18xi – 81
C. x2 + 9xi +81
D. x2 + 9xi – 81

Answers

B x^2+18xi-81 hope this helps

22
An airline offers a discount one way flight to New York City for $162 80. If the usual price for the ticket is $185.00, what is the percent discount

Answers

The discount is 12% because 185*0.12=22.2 and to get the discount price you have to subtract the values 185-22.2=162.80.

WILL MARK YOU BRAINLIEST

Answers

Answer:  p=122

Step-by-step explanation:

Answer:

P = 112

see in the picture, MNPQ is a parallelogram

=> M = P

<=> 6x - 2 = 4x + 36

<=> 2x = 38

<=> x = 19

with x = 19 => P = 4.19 + 36 = 112⁰

Help, please! In the diagram, FH = 1/3AC and 3FG = AB. What additional information is necessary to prove that ΔABC is similar to ΔFGH, using the SSS similarity theorem?

1. 2. 3. BC/GH = 3
4. BC/GH = 1/3

Answers

Answer:   BC/GH = 3

=======================================================

Explanation:

The order of the letters is very important. This is because the order tells us how the angles pair up and that leads to telling us how the sides correspond to one another.

Note with ABC and FGH, the first and last letters are AC and FH respectively. These sides correspond. We're told that FH is 1/3 as long as AC when your teacher wrote FH = (1/3)*AC; we can solve for AC to get AC = 3*FH.

Going back to ABC and FGH, we see that the first two letters of each are AB and FG. This is another pair of corresponding sides. We're told that 3*FG = AB. So AB is three times longer than FG.

So far we can see that

AC = 3*FHAB = 3*FG

The missing information we need is that BC = 3*GH. If we know this, then we can use the SSS similarity theorem to prove the triangles are similar. Note how BC are the two last letters of ABC while GH are the last two letters of FGH.

Starting with BC = 3*GH, we can divide both sides by GH and we get BC/GH = 3.

A diver went down 25.55 feet below the surface of the ocean, and then 11.5 feet further down, he then rose 12.25 feet. Enter and solve an expression to find the diver's new depth.

Answers

Answer: it would be 24.8ft

The answer above is correct

Sammy earns money for college by walking dogs and mowing lawns. She earns $3 for each dog she walks and $25 for each lawn she mows. Which expression can be used to determine the amount of money she earns from walking w dogs and mowing m lawns

Answers

Answer:

x = 3w + 25m

Step-by-step explanation:

The number of dogs she walks (w) and the number of lawns that Sammy mows (m) need to be multiplied by the amount of money that Sammy makes from each individual action. Both of these products are then added together to equal the total amount of money that Sammy has earned. All of this can be represented with the following expression where x is the total amount of money earned...

x = 3w + 25m

Simplify the numerical expression (15 - 3) x 2 + 10

Answers

Answer:

34

Step-by-step explanation:

Using PEMDAS (parentheses, exponent, multiplication, division, addition, subtraction), we solve what's in the parentheses first, so the expression looks like: 12 x 2 +10.

Then since there aren't any exponents, we solve the multiplication problem in the expression: 24 + 10.

Which just leaves addition, which gives us our answer: 34

Hope this helps!

can someone pls help me i need to know what is 2x - 1 = 7

Answers

Answer:

The solution for x would be 4.

Step-by-step explanation:

2x - 1 = 7

The value of x is unknown, but you do know that you are multiplying 2 by x. So, if you rewrite the equation as 7+1=2x, you know that 8=2x. If you then divide both sides by 2, you're left with 4=x which would mean that the variable x has a solution of 4

1
What California law did the U.S. Supreme Court recently overturn?
A
a law that required minors to stop playing violent video games
B
a law that made it a criminal offense to sell violent video games
С
a law that banned violent video games from all stores in California
D
a law that barred stores from selling violent video games to minors

Answers

Answer: (D) a law that banned stores from selling violent video games to minors
Pretty sure it's D, just looked it up and it says that the US Supreme Court struck down a 2005 California Law banning the sale of certain violent video games to children without parental supervision. Hope that helped!

Emma has 2 2/3 pies. Sam has 1/2 of Emma's amount. How much pie does Sam have

Answers

Answer:

1 and 1/3 pie

Step-by-step explanation:

2 2/3 divide by 1/2= 1 and 1/3

Is this a linear function
х
-2
-1
0
2
HIO
у
3
5
7
11

Answers

Answer:

yes it is a linear function

Step-by-step explanation:

Don't trust me but trust me-

I need to know how to solve them

Answers

Answer:

ture ture false

ghkffdxvjllhgdfh

Last month, the average price for half gallon of milk in Kroger was $2.05. Now this month, the average price for half gallon of milk in Kroger was $2.25. Which of the following could be used to calculate the percent of increase, p, in the price for half gallon of milk?
A 0.20/ 2.25 = p100
B 0.20/2.05 = p100

Answers

B,hope it’s help have a great day

What's the answers to theseeeee help need it bye 12:00

Answers

We were just leaving about this

PLZ I NEED HELP ILL MARK U BRAINLEIEST

Answers

45 45 90 triangles
the hypotenuse is x radical 2
so the two answers are 2 and 6
because 6 radical 2 times radical 2 is 6 radical 4 or 6 times 2 = 12
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