Mathematics High School

12(x + 3) = (y-2)^2

Please help me find the directrix and show your work please because I need help understanding.
I will mark brainlist

Answers

Answer 1

Answer:

x=-6

Step-by-step explanation:

Answer 2

Answer:

3(2x+y)(2x−y)

Step-by-step explanation:

Related Questions

Help. me math 20 points​

Answers

Answer:

1st angle will 60degree =90-60,. 1nd angle =60 degree.vertically opposite angle,

Find the values of x and y.

Answers

Answer:

x = 15; y = 21

Step-by-step explanation:

The vertical angles have the same measure.

The sum of the measures of the angles of a triangle is 180 deg.

Left triangle:

4y - 18 + y + 14 + 6x - 11 = 180     Equation 1

Right triangle:

6x - 11 + 81 + x + 5 = 180       Equation 2

Simplify Equation 1.

4y - 18 + y + 14 + 6x - 11 = 180

6x + 5y = 195      Equation 3

Simplify Equation 2.

6x - 11 + 81 + x + 5 = 180

7x = 105

Solve last equation for x.

7x/7 = 105/7

x = 15

Substitute 15 for x in Equation 3 and solve for y.

6x + 5y = 195

6(15) + 5y = 195

90 + 5y = 195

5y = 105

y = 21

Answer: x = 15; y = 21

Use an area model to solve.

Answers

Answer:

1 25/27

Step-by-step explanation:

1 1/3 x 1 4/9 =?

convert to total fractions:

4/3 x 13/9 = ?

multiply

52/27 = ?

reduce

1 25/27

use the given functions to answer the question.
f(x)=x^2+2x-5
g(x)--3x^2-4x+1
what is f(x)-g(x)

Answers

f(x)=x^2+2x-5

g(x)--3x^2-4x+1

what is f(x)-g(x)

f(x)-g(x)= x^2 + 2x - 5 - 3x^2 - 4x + 1

Group like terms.

x^2 - 3x^2 + 2x - 4x - 5 + 1

Add/Subtract similar terms

2x^2 - 2x - 4

f(x) - g(x) = 2x^2 - 2x - 4

-2x²-2x-4

Is the answer. I know because I took the test.

I NEED HELP

The table shows the measured dimensions of a prism, and the maximum and minimum possible values based on the greatest possible error. Find the percent error to the nearest percent. Hint: First determine the measured volume, then the maximum volume and the minimum volume.


A. 65%


B. 50%


C. 35%

Answers

The answer could be B not sure hold up don’t pick yet

Answer: 50% said the person up

-3+4b=3(b-2)
what do I have to do slove both sides

Answers

Answer:

b=-3

Step-by-step explanation:

distribute 3(b-2) and you get 3b-6.

-3+4b=3b-6

add 3 on both sides.

4b=3b-3

-3b on both sides

b=-3

The graph of g(x) is the result of translating the graph of f(x) = [1/2]× three units to the left. What is the equation of g(x)?

A. g(x)=[1/2]×-3
B. g(x)=[1/2]×+3
C. g(x)=[1/2]×-3
D. g(x)=[1/2]× +3

​

Answers

To shift a graph to the left you add to the x value

The answer would be B. g(x)=[1/2]×+3

The equation of g(x) = [1/2]x + 3 which is correct option (B)

What is translation of graph?

A translation of a graph is a shifting of the graph either horizontally or vertically parallel to the axis.

If g(x) was translated three units to the left to create f(x)= [1/2]x, then

g(x) - 3 = f(x)

g(x) = f(x) + 3 = [1/2]x + 3

So g(x) = [1/2]x + 3

Learn more about translation of graph

https://brainly.com/question/11805053

#SPJ2

Suppose a designer has a palette of 14 colors to work with, and wants to design a flag with 4 vertical stripes, all of different colors.
How many possible flags can be created?

Answers

Answer:

182

The number of permutations of 14 things taken 2 at a time is ...

 14P2 = 14·13 = 182

The first color can be any of the 14 on the palette. The second color must be different, so can be any of the remaining 13.

___

We assume that a "yellow/red" flag is different from a "red/yellow" flag. That is, order matters.


Substitution:
2x - y = 6
x + y = -3

Answers

Answer:

4 and for x+y is 2+1

Step-by-step explanation:

simplify 9x + 18(2x - 6) + 13

Answers

Answer:

45x-95

Step-by-step explanation:

Step-by-step explanation:

9x + 36x - 108 + 13

45x - 95

A group of friends wants to go to the amusement park. They have no more than $275 to spend on parking and admission. Parking is $5, and tickets cost $27 per person, including tax. Write and solve an inequality which can be used to determine r, the number of people who can go to the amusement park.

Answers

Answer:

275=27x+5

Step-by-step explanation:

10 people can go to the park

27(10)+5=275

Enter a formula using k to connect the two variables.
F is proportional to a.


Please help​

Answers

Answer:

Weres The Formula?

Step-by-step explanation:

Answer:

f=ka

Step-by-step explanation:

Test worth 50 points; test score of 96 write a proportion to find how many points a student needs to score on the test to get the given score.

Answers

Answer: The student needs 144 points to get a score of 96%

Step-by-step explanation:

Find the volume of each shape and then compare
Do not reduce your fractions.

Answers

Step-by-step explanation:

First prism:

V= 3/4×1/2×1/4= 3/32 in.

Second prism:

V=1/4×1/4×1/4= 1/64 in.

First prism: 3/32 but with same denominator as the second prism it is 6/64 in.

Second prism: 1/64 in.

( This down below is the difference of two volumes)

First prism-Second prism= 6/64 - 1/64= 5/64

If ABCD is a square what is m< AEB
A) 30°
B) 45°
C) 60°
D) 90°

Answers

Answer:

90

Step-by-step explanation:

The angle of AEB is 90 degrees, took the test and got it correct!

The measure of m<AEB is 90 degrees

Squares and triangle

From the given square, the triangle AEB is a right triangle.

A right triangle has one of its angles to be 90 degrees.

According to triangles AEB, m<EAB = m<ABE = 45 degrees

m<AEB = 180 - (45+45)

m<AEB = 180 - 90

m<AEB = 90 degrees

Hence the measure of m<AEB is 90 degrees

learn more on squares here: https://brainly.com/question/1538726

the perimeter of the rectangle is 333 cm. the ratio of the length to width is 2:7. what is the width of the rectangle?

Answers

If the ratio of length to width is 2:7, then you can create a variable x to determine the multiplier that gets you the length and width. So the length is 2x and the width is 7x. So the perimeter equation is...

P=2L+2W
P=2(2x)+2(7x)
333=4x+14x
333=18x
x=18.5

Since the width is 7x, it’s just 7(18.5)=129.5 cm.

How you Can find the area of a composite figure?​

Answers

Answer:

Here are the steps to find the area of a composite figure.

1. Split the composite figure into simpler shapes.

2. Find the area of each of the simpler shapes.

3. Add the area of all the simpler shapes together.

4. You'll have the area of the composite figure.

Let me know if this helps!

Can someone write logb(xy) as two logs (49 points)

Answers

Answer:

log b (xy) = log b (x) + log b (y)

Step-by-step explanation:

Log of the product is equal to the sum of the logs

log b (xy) = log b (x) + log b (y)

I have no words... thank y’all so much!!❤️❤️✨✨

Answers

Answer:

The first one.

Step-by-step explanation:

0 is greater than -18

It took 8 hours to drive 240 miles. At this rate, how long does it take to drive 90 miles?

Answers

Answer:

It will take 3 hours to drive 90miles.

Step-by-step explanation:

240miles/8hours=30miles/1 hr. 90miles/3hours

What is the complete factprization -18a^2+8?

Answers

Answer:

(-6a+4)(3a+2)

Step-by-step explanation:

(-6a+4)(3a+2)

-18a^2+12a-12a+8 (checking answer)

-18a^2+8

Start by dividing out a -2, after that you can recognize you have a difference of squares which can be factored by square rooting both terms

S=-100w+1050 X intercept

Answers

Answer:

i believe it’s 10.5

Step-by-step explanation:

It is 10.5 I think. Good luck!!

The radius of a circular sign is 12 inches. Equal parts of the sign are painted red and yellow. How many square inches are painted in each color? Use 3.14 for Pi

Answers

Answer:

226.08 square inches

Answer:

Step-by-step explanation:

First we find Area

12^2* 3.14= 452.16

Then we know that half of the sign is painted red and the other half is painted yellow

452.16 / 2 = 226.08

226.08 square inches is painted yellow and 226.08 square inches is painted red

Me.Lee ordered some pizzas to be delivered. The bill for the pizza was m dollars. Mr. Lee tipped the pizza delivery driver 15% of the bill. Write an expression for the total amount of money Mr. Lee paid

Answers

The expression would be: m + 0.15m and to know how much she paid I believe it would be 26.09 (rounded)

At a given high school, the probability that a student is taking a geometry class is 0.24. The probability that a student is taking a chemistry
class and a geometry class is 0.18.
If a student is taking a geometry class, what is the probability that the student is also taking a chemistry class?

Answers

Answer:

0.24

Step-by-step explanation:

4 2/3÷1 1/5 .......

Answers

Answer:

3 8/9

Step-by-step explanation:

Reduce the expression, if possible, by cancelling the common factors.

The answer is 3 and 8/9 or 35/9

A weather station on the top of a mountain reports that the temperature is currently 0°C and has been falling at a constant rate of −8°C per hour. What was the temperature 1 hour ago?

Answers

Answer:

Step-by-step explanation:

Absolute zero, the lowest temperature possible, is defined as being exactly 0 K and −273.15 °C. Until 19 May 2019, the temperature of the triple point of water was defined as exactly 273.16 k

Help pls 6th grade math

Answers

Answer:

x> or equal to 35. 36 is a solution.

Step-by-step explanation:

HELP ASAP PLS!!! 30 POINTS AND BRAINLEST IF UR RIGHT
ANSWER ALL FOUR TO GET BRAINLEST!!!!!!

Answers

Answer:

C,D,A,A

Step-by-step explanation:

Answer:

1. B

2. B

3. C

4. B

Leah leaves school to go home. She walks 5 blocks north and then 8 blocks west. How far is Leah from the school?

Answers

Answer:

13 Blocks Away From School

Step-by-step explanation:

5 + 8 Is 13

Answer: 13 blocks from school

Step-by-step explanation:

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