Graph the equation y=-1/4(x-2)(x+6) khan academy

Answers

Answer 1

Answer: x=−6,2

Step-by-step explanation:


Related Questions

simplify a-c when a=5,c=-1​

Answers

5-(-1) or you could simplify it further to 6

How many factors are in the following expression: 3x(x + 5)(y – 3)
Options:
A- 1
B-2
C-3
D-4

Answers

Answer:

3

Step-by-step explanation:

porque es esa y xq quiero unos puntos:p

QRST is a rectangle. Find the length of the diagonals.

QS=8x−11 and RT=4x+21

Answers

Answer: they’re both 53

Step-by-step explanation:

i just took the test and it is correct

PLEASE HELP ME I NEED TO DO THIS

Answers

Answer: x = 20

Step-by-step explanation:

3x + 20 = 4x

20 = x

You arrive in my class 21 seconds after
leaving math which is 78 meters away. How
fast did you travel?

Answers

Answer:

2.7 secondes a meter

Step-by-step explanation:

50 points Classify the expression: 5x^3 + 2x − 3
A Quadratic expression
B Linear expression
C Cubic expression
D Exponential expression
(I have an answer but I'm not so sure about it)

Answers

Answer:

C: Cubic Expression!

Step-by-step explanation:

In this equation/expression, you can look at the highest exponent which is 3, and you can also look at how many terms it has, which is 3. This makes it a 3rd degree trinomial, which makes it C, Cubic Expression!

Answer:

Cubic Expression

Step-by-step explanation:

See answer above

Divide using synthetic division (x^2 +9)÷(x-3) =​

Answers

Answer: x+3+ 18/x-3

Step-by-step explanation:

The complete division problem can be written as:

(x² + 9) / (x-3) = x + 3 + 18/(x-3)

What is the division operation?

In mathematics, divides left-hand operands into right-hand operands in the division operation.

To divide using synthetic division, we follow these steps:

Write the dividend (x² +9) and the divisor (x-3) in the form of a long division problem, with the divisor (x-3) written on the outside and the dividend (x² +9) written inside the division brackets.

Write the coefficient of the first term of the dividend (in this case, 1) in the first row of the synthetic division. This will be the first term of the quotient.

Multiply the divisor (x-3) by the coefficient in the first row (1), and write the result (x-3) in the second row.

Add the second term of the dividend (9) to the result in the second row. The result is the coefficient of the second term of the quotient.

Repeat this process until you have found the coefficients of all the terms in the quotient.

Using this process, we can divide (x² +9) by (x-3) as follows:

The quotient is x + 3. The remainder is 18, so the complete division problem can be written as:

(x² + 9) / (x-3) = x + 3 + 18/(x-3)

To learn more about the division operation click here :

brainly.com/question/25870256

#SPJ2

Add parentheses to make true 36 / 9 - 3 = 6

Answers

36/ (9 - 3) = 6

Cause:

9 - 3 = 6

Then:

36/6 simplified equals 6

So, your answer is 36/(9 - 3) = 6

Hope it helps! Good luck friend! :3

Answer:

36 / (9 - 3) = 6

Step-by-step explanation:

If you put the parentheses around 9 - 3, that will give you 6. 36 divided by 6 = 6. Also, in PEMDAS, Parentheses comes first, so  that is why the parentheses go there to make this true.

Dawn bought a pair of shoes for $90. They were on sale for 40% off.
There is 7% sales tax. What is the final cost of the shoes? *

Answers

Answer:

57.78

Step-by-step explanation:

90 -(40%*90)

= 90 -36

=54

Tax =7% *54=3.78

Final cost= 54 +3.78 = 57.78

True or False. Shapes that have at least one right angle also have at least one pair of perpendicular lines. Explain your thinking.

Answers

Answer:

True

Step-by-step explanation:

In geometry, the property of being perpendicular is the relationship between two lines which meet at a right angle.

find the volume of the rectangular prism​

Answers

Answer:

125

Step-by-step explanation:

multiply the three numbers

Find the radius of a sphere with a volume of 4.5π cubic centimeters.

Answers

1.02 is the answer to your question

−3x−9y=18
4x+3y=12
​what is x and y

Answers

Answer:

x = 6 and y = -4 or (6,-4)

Step-by-step explanation:

I chose b and d and they are both wrong

Answers

The answer to your question is c.
it’s obviously c dummy

Use the relationship between the angles in the figure to answer the question. which equation can be used to find the value of X?

X +49-28 = 180

X -49-28 = 180

X +49+28 = 180

X +28=180

Answers

Answer:

X+49+28=180

Step-by-step explanation:

Write an equation for the line that passes through (-8.5, 11) and (5, -2.5).

Answers

Answer:

y = −x + 2.5

Step-by-step explanation:

9] A bike is being sold for 78% of its original
price of $85.50. What is the discounted
price?


Answer and show work PLEASE

Answers

Answer:

The new and discounted price is now $66.69

Step-by-step explanation:

Hope this helps :)

5. James makes $15.50 per hour and works 40 hours a week. He pays 26% of his gross earnings in federal and state
taxes. He also saves 7.5% of his monthly gross income to put into savings. He is considering renting an apartment tha
will cost $1,400 per month. Based on his expenses, can he make the monthly payments?

Answers

9514 1404 393

Answer:

  no

Step-by-step explanation:

On average, there are about 173 1/3 hours per month, so James's take-home pay will be about ...

  ($15.50/h)(173 1/3 h/mo)(1 -26%) = $1988.13

His proposed rental is about ...

  1400/1988.13 · 100% = 70.4%

of his take-home pay.

Most financial planners would recommend the percentage be well below 50%. It is unlikely James can make his proposed monthly payments.

Jason has 2 times as many coins as Billy and Tilly added together, Billy has 45 coins, and Tilly has 67 coins. How many coins does Jason have?

Answers

45+67=112

112*2= 224

Jason has 224 coins

Express the shaded area as a fraction, a decimal, and a percent of the whole.

Answers

1/2 = fraction. 1.2= decimal 12%= percent

Answer:

1/2

0.5

50%

Step-by-step explanation:

The square  is spilt into 2 equal pieces, one out of the 2 is shaded therefore 1/2 is shaded. The decimal to represent the shaded area would be 0.5, as 1 times 1/2 = 0.5. As a percent the shaded area represents 50% as 1/2 times 100 (per cent = per hundred) is equivalent to 50.

I hope this helps :0).

PLEASE HELP!! will mark brilliant!!!!

Answers

A is I answer, I’m so sorry I don’t know the 2nd one

Answer:

I think it is A and C if I am correct how that helps

Find the value of each variable. Write answers in simplest radical form.

Answers

Answer:

1) x = 5

2) y = 5·√2

Step-by-step explanation:

1) The given parameter of the right triangle are;

The legs of the right triangle = 'x', and 5

One interior angle of the right triangle = 45°

Therefore, buy the interior angle summation property of a right triangle, we have;

The measure of the other angle, θ = 180° - 90° - 45° = 45°

From which we have;

A right triangle with an interior angle of 45° is an isosceles triangle with both legs equal

∴ The length of the other leg, x = 5

x = 5

2) By Pythagoras's theorem, we have that the square of the length of the hypotenuse, 'y', is given as follows;

y² = x² + 5²

∴ y² = 5² + 5²

y = √(5² + 5²) = √(25 + 25) = √50 = √(25 ×2) = 5·√2

y = 5·√2 in the simplest radical form.

t the beginning of the season, MacDonald had to remove 555 orange trees from his farm. Each of the remaining trees produced 210210210 oranges for a total harvest of 417904179041790 oranges.
Write an equation to determine the initial number of orange trees (t)(t)left parenthesis, t, right parenthesis on MacDonald's farm.
Find the initial number of orange trees on MacDonald's farm.
orange trees

Answers

Answer:Initial number of trees (t)=204

Step-by-step explanation:

t = initial number of trees

Subtract 5 trees from the initial number of trees

we have,

t-5

each remaining tree made 210 oranges for a total of 41,790 oranges

We have,

(t-5) * 210=41790

Solve the equation

(t-5) * 210=41790

Open the bracket

210t-1050=41790

210t=41790+1050

210t=42840

Divide both sides by 210

210t/210=42840/210

t=204

The initial number of trees on MacDonald farm orange trees (t)=204

If 5 is removed from the initial trees

t-5=204-5

=199 trees

199 trees produce 210 oranges

We have,

199*210=41790 oranges

Please help... I can't fail this.

Answers

Answer:

it can consist of translations, reflections, and rotations

Step-by-step explanation:

i would say reflection, then slide right, then slide down

Sam finished his math assignment in 1/4 hours then he completed his English assignment in 2/5 hours. How many hours did Sam spent doing both assignments?

Answers

Answer:

13/20 Hours

Step-by-step explanation:

you have to find a common denominator. (20) You do 4x5 and 5x4 both equal 20. Then you do 1x5=5 and 2x4=8 then 8+5=13  then you make your fraction which is 13/20.

Kziakjwhsgtxyhwbabhzu uh

plz help me.................... i need help

Answers

Answer:

y =7 x = 6000

Step-by-step explanation:

y=14x+16 hope i helped

Evaluate using logrithm

© 12:59 x 31540

Answers

Answer:

Step-by-step explanation:12  MJULTIPKLA BY 13

Is Y=75x proportional or not proportional? (Please help)

Answers

Yes y is directly proportional to x

Anyone can help me with math for solving for a side in the right triangles for khan academy

Answers

Answer:

7.45

Step-by-step explanation:

We are given a right triangle with one side length known and an angle know so we can use some trigonometry.

You need to find the hypotenuse so you are going to use either sine or cosine.

Since the adjacent from the angle is given (SOH-CAH-TOA) we can use cosine so,

cos(20) = 7/h

=>h = 7/cos(20)

=> 7.44924

=> 7.45

Find the value of Y

Help plz whenever you can :D

Answers

Answer:

siny=xz/yz

sin45=y/15√2

15√2×1/√2=y

y=15

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