Solve using quadratic equation (a-2)2 =8

Answers

Answer 1

Answer:

a=6

Step-by-step explanation:

(a-2) x 2 =8

remove parentheses

2a-4=8

move constant to the right

2a=8+4

calculate

2a=12

divide both sides

a=6


Related Questions

Solve the equation 2.2x=3

Answers

it would be 15/11 but the better answer it would be 1 4/11

Answer : The answer is 15/11 but you can simply this fraction which makes it to a decimal which would be 1.36 ( 36 is repeating )

you deposit $1050 into an account that pays 7.25% interest per year. find the amount after six year given the following:
a) compounded semiannually b) compounded monthly

Answers

Uhhh this is ap Reese end die die I don’t yuuuu

2x+y=7
5x+y=9
solve the system of equations

Answers

Answer:

x=66

y=-57

Step-by-step explanation:

Please help me. I am pretty confused on this ​

Answers

Answer:

C

Step-by-step explanation:

16's square root is 4

the square root of 16 is 4

Please help.
Is algebra.
PLEASE HELP NO LINKS OR FILES.
I don't want links.

Answers

It would be B! :) have a good day

Giving brainlist to whoever answers

Answers

Answer:

B I am 100% sure

Step-by-step explanation:

What are the solutions to the equation 3^2 + 6 − 31 = −7? & Explain how you determined your answer

Answers

Answer:

The left side

16

does not equal to the right side

7

, which means that the given statement is false.

False

Step-by-step explanation:

Answer:

false

Step-by-step explanation:

9+6-31=-7 -16=-7

The height of a right pyramid with a square base is 4 feet. The length of a side of the
base of the pyramid is 6 feet. What is the slant height, s, of the pyramid?
6 ft

Answers

Answer: I think the answer maybe 12

Step-by-step explanation:

4 x 6  ÷ 2  = 12

The given cylindrical container is used to fill the rectangular prism fish tank with water.

What is the least number of fully cylindrical containers needed to completely fill the fish tank?

Answers

Ok lol can I see some other things that

The number of full cylindrical containers needed to completely fill the fish tank is 30.

What is a cylinder?

In geometry, it is defined as the three-dimensional shape having two circular shapes at a distance called the height of the cylinder.

We know the volume of the cylinder is given by:

[tex]\rm V = \pi r^2 h[/tex]

The volume of a cylinder:

[tex]\rm V = \pi (6/2)^2 (8)[/tex]

V = 72π cubic inches

The volume of cube v = 24×24×12 = 6912 cubic inches

A number of full cylindrical containers are needed to completely fill the fish tank:

= 6912/72π

= 30.55 ≈ 30

Thus, the number of full cylindrical containers needed to completely fill the fish tank is 30.

Learn more about the cylinder here:

brainly.com/question/3216899

#SPJ2

What number makes the equation true? 35 + = 42​

Answers

Answer:

7

Step-by-step explanation:

42 - 35 = 7

The correct answer is 7
35+7=42

What is the solution to the inequality? x/2 > 7

Answers

Answer: x > 14

m a th way can help with any similar questions like this !!

Factor out the Greatest Common Factor (GCF): 36y - 16 ?

Answers

Answer: 4(9y-4)

Step-by-step explanation:

36y - 16

4 x 9 is 36

4(9 is just like 36y.

Think About the Process Use the algebra tiles to help you solve the equation 4x - 8 = 20. What is the first step in solving the equation using algebra​ tiles? What is the solution to the​ equation?

Answers

Answer:

The first step would be canceling out the eight getting you 4x = 28 and the solution would be x = 7

Step-by-step explanation:

To simplify you need to add the eight to itself to cancel it out but you have to do it to the 20 too making it 28. Then you have to divide 28 by 4 getting you 7.

Consider the equation of parabola y = 5x - 30x + 45.
Its vertex is located at
( , )

Answers

Answer:

(3, 0 )

Step-by-step explanation:

Given a parabola in standard form

y = ax² + bx + c (a ≠ 0 )

Then the x- coordinate of the vertex is

[tex]x_{vertex}[/tex] = - [tex]\frac{b}{2a}[/tex]

y = 5x² - 30x + 45 ← is in standard form

with a = 5, b = - 30 , then

[tex]x_{vertex}[/tex] = - [tex]\frac{-30}{10}[/tex] = 3

Substitute x = 3 into the function for corresponding value of y

y = 5(3)² - 30(3) + 45 = 45 - 90 + 45 = 0

vertex = (3, 0 )

Answer:

Vertex is (3,0)

Step-by-step explanation:

Given y= 5x^2 - 30x + 45

         y    = 5 ( x^2 - 6x + 9)

               = 5 ( x -3 )^ 2 + 0

Standard formula of parabola is y = a(x - k)^2 + k where vertex is (h,k)

Here, h = 3 and k = 0

So,  Vertex is ( 3, 0)

Which expression is equivalent to 2(3g - 4) - (8g + 3)

Answers

Answer:

4

Step-by-step explanation:

Hope this helps! : )

2(3g - 4) - (8g + 3)

Distributive property

6g - 8 - 8g - 3

Combine like terms

-2g - 11

Answer:

4

Step-by-step explanation:

2(3g-4)-(8g+3)

6g-8-8g-3

-2g-11

Linear relation questions(someone please help I will give brainliest please)

Answers

Answer:

See below

Step-by-step explanation:

#1

Points given:

(4, -6), (-1, 4)

Find the slope using slope formula:

m = (y₂ - y₁)/(x₂ - x₁) = (4 - (-6))/(-1 - 4) = 10/-5 = -2#2

Equation of the line in slope-intercept form:

y = mx + b

Given:

slope, m = -3the y- intercept b = 11

The line is:

y = -3x + 11#3

The y-intercept is the intersection of the line with the y-axis:

b = -1 as per graph

To find the slope select two points and use the slope formula as shown above.

Points (0, -1) and (1, 1), the slope is:

m = (1 - (-1))/(1 - 0) = 2/1 = 2

The line is:

y = 2x - 1

Patrica has a bank balance of -$54 . if she deposit $100 what is her new Balance

Answers

Answer:

56 (positive, not negative)

Step-by-step explanation:

she will pay off the debt from the original amount she owed using part of the $100. With the debt being payed off , the remainder will be $56.

in other words ;

100+54= 56.

Henceforth , the number 56.

thank you!

Which is the approximate measure of angle ACB?
31.0°
36.9°
53.1°
59.0°

Answers

Answer:

53.1

Step-by-step explanation:

i just took the test

Answer:

53.10

Step-by-step explanation:

Figure 1 is dilated to get Figure 2.

What is the scale factor?

Answers

Answer:

2/3

Step-by-step explanation:

6/9 in simplest form is 2/3. That's the scale factor :)

Bob flipped a coin and got "heads" 9 times in a row! What is the probability that the next flip will be a "head?"

Answers

Answer:

50/50 chance

Step-by-step explanation:

There are 14 cans of soup in a pantry, 7 of which contain vegetable beef soup. What is the probability that a randomly selected can will be vegetable beef soup? Write your answer as a fraction or whole number.​

Answers

Answer:

1/2

Step-by-step explanation:

There is a 7 in 14 chance of randomly selecting a can of vegetable beef soup. In fraction form, that would be a 7/14 chance. Simplifying the fraction would bring us to 1/2, our final answer.

What are the slope and the y-intercept of the linear function that is represented by the equation y - 9x-27?

Answers

Answer:

the slope and the y-intercept of the linear function that is represented by the equation y = 9 x minus 27? The slope is –2, and the y-intercept is 9.

Step-by-step explanation:

hope this helps

Ayden rents skates at the skate park for
$1.25. He also spends $1.75 on snacks
and a drink each time he goes. If Ayden
has $20, which expression shows how
much money Ayden will have left over if
he visits the skate park a times?
A $20 + [($1.25 + $1.75) X a]
B $20 + ($1.25 + $1.75 X a)
c $20 - [($125 + $1.75) X aj
D $20- ($1.25 + $1.75 X a)

Answers

Answer:

C

Step-by-step explanation:

Help me pls
put them from least to greatest ​

Answers

Answer: -7/10, -0.35, 1/5, 0.95

Step-by-step explanation:

-7/10 =  -.7

1/5 = 0.2

Answer:

From least to greatest, the correct order is [tex]-\frac{7}{10}[/tex], -0.35, [tex]\frac{1}{5}[/tex], and 0.95.

Step-by-step explanation:

Since all negative numbers are smaller than positive, you immediately know that [tex]-\frac{7}{10}[/tex] and -0.35 are smaller than [tex]\frac{1}{5}[/tex] and 0.95. The greater the absolute value of a negative number is, the smaller that number is. Because [tex]-\frac{7}{10}[/tex] is -0.7, which has a greater absolute value than -0.35, this means [tex]-\frac{7}{10}[/tex] is the smallest number, and -0.35 is the second smallest number. Since [tex]\frac{1}{5}[/tex] is 0.2 which is smaller than 0.95, the correct order from least to greatest would be [tex]-\frac{7}{10}[/tex], -0.35, [tex]\frac{1}{5}[/tex], and 0.95.

what are the measures of angle B and D

Answers

Answer:

n=10

Step-by-step explanation:

What is 1/2 in degrees

Answers

Answer:

180

Step-by-step explanation:

half of 360 is 180


−8

≥ -5 ???????????????????????????

Answers

-8>-5 ? Ok s if that’s the question. The answer it’s false

Answer:

If your asking if it’s true or false then it is false

Step-by-step explanation:

If you want to make it a true statement then it would be -8<-5

Whats the maximum value?

Answers

Answer:

66

Step-by-step explanation:

Step-by-step explanation:

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Profit, P(x), is the difference between revenue, R(x), and cost, C(x), so P(x) = R(x) - C(x). Which expression represents P(x), if R(x) = 2x^4 – 3x^3 + 2x – 1 and C(x) = x^4 – x^2 + 2x + 3?

Answers

Answer:

x^4-3x^3+x^2-4

Step-by-step explanation:

Given the following functions

R(x) = 2x^4 – 3x^3 + 2x – 1 and

C(x) = x^4 – x^2 + 2x + 3

We are to find the profit function P(x)

P(x) = R(x) - C(x)

P(x) = 2x^4 – 3x^3 + 2x – 1 - ( x^4 – x^2 + 2x + 3)

P(x) = 2x^4 – 3x^3 + 2x – 1 - x^4 + x^2 - 2x - 3

Collect the like terms

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

P(x) = x^4-3x^3+x^2+0-4

P(x) = x^4-3x^3+x^2-4

Hence the required profit function P(x) is x^4-3x^3+x^2-4

Answer:

x^4-3x^3+x^2-4

Step-by-step explanation:

*EXTRA POINTS* please answer #5 and #6

Answers

Answer:

5, (0, -2)

6, (4, 9)

Step-by-step explanation:

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