Explain why (x+1)(3x-6) is NOT a complete factorization of 3x^2-3x-6

Answers

Answer 1

Answer:

The real answer is:

3x^2 -6x+3x-6

Step-by-step explanation:


Related Questions

Write the equation of the quadratic function with vertex (7,9) in Vertex
Form.

Answers

9514 1404 393

Answer:

  y = (x -7)² +9

Step-by-step explanation:

The vertex form of the quadratic equation is ...

  y = a(x -h)² + k . . . . . . . . vertex (h, k); vertical scale factor 'a'

If we use a vertical scale factor of a=1, then putting the vertex (h, k) = (7, 9) into the vertex form gives ...

  y = (x -7)² +9

A newsletter publisher believes that 49% of their readers own a personal computer. A testing firm believes this is inaccurate and performs a test to dispute the publisher's claim. After performing a test at the 0.05 level of significance, the testing firm decides to reject the null hypothesis. What is the conclusion regarding the publisher's claim?

Answers

Answer:

The conclusion regarding the publisher's claim is that the 49% of their readers  own a personal computer.

Step-by-step explanation:

The null hypothesis is always opposite of the claim . If the null hypothesis is rejected it means the claim is accepted.

The alternate hypothesis ( claim) is

Ha: u = 0.49

The null hypothesis  is

H0 : u ≠ 0.49

The null hypothesis is rejected. The claim is accepted.

The claim ( alternate hypothesis ) was the newsletter publisher believe which is accepted.

The conclusion is drawn that the newsletter publisher was accurate that 49% of their readers  own a personal computer.

i feel like i have the answer, i’m just not sure and need someone else to help me so i can check it.

Answers

Answer:

5

Step-by-step explanation:

2/6=x/15

cross multiply

6x=30

x=5

Right triangle ABC has hypotenuse AB = 12 and acute angle A = 75°. Find
Leg CB

Answers

Answer:

Leg CB = 11.59 unit (Approx.)

Step-by-step explanation:

Given:

ABC is a right triangle

Hypotenuse AB = 12

Acute angle A = 75°

Find:

Leg CB

Computation:

Using trigonometry function;

Sin θ = Perpendicular / Hypotenuse

Sin 75 = Perpendicular / 12

0.9659 = CB / 12

Leg CB = 11.59 unit (Approx.)

PLS HELP AND ANSWER QUICK PLZ

Answers

Answer:

X = 90° , Y = 45°,  Z = 45°

Step-by-step explanation:

Determine the length of DE.

Answers

It is 5 ! :) because since the triangle ABC = DEF The measurements will be the same. The formula for finding the DC (hypothenuse) is a squared + b squared = c squared


Plug it in-
3*3=9
4*4=16
9 + 16 =25
Find the square root of 25 which brings the answer to 5 :)

The coordinates of three vertices of a rectangle are (-4, 1), (-1, 3), and (-4, 3). Which of these points is the fourth vertex?

Answers

Answer:

The answer is (-1, 1)

Which one was the answer A,B,C or D?

Answers

Answer:

A

Step-by-step explanation:

A answer is a

step by step

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

7/15

Step-by-step explanation:

Multiples of 3 = 3, 6, 9, 12, 15

Multiples of 5 = 5, 10, 15

3, 5, 6, 9, 10, 12, 15 = 7 numbers

Probability = 7/15

Hope that helps!

Answer:

7/15

Step-by-step explanation:

Because it is the "Correct Answer"

22 is what percent of 40?

what is 35% of 60?

Answers

Answer:

Step-by-step explanation:

x% of 40 = 22

(x/100)×40 = 22

x = 22×100/40 = 55

22 is 55% of 40

:::::

35% of 60 = 0.35×60 = 21

Answer:

[tex]\huge\boxed{55\%}\\\boxed{21}[/tex]

Step-by-step explanation:

22 is what percent of 40?

[tex]\dfrac{22}{40\!\!\!\!\diagup}\cdot100\!\!\!\!\diagup\%=\dfrac{22\cdot10}{4}\%=\dfrac{11\cdot5}{1}\%=55\%[/tex]

[tex]p\%=\dfrac{p}{100}\\\\35\%=\dfrac{35}{100}=0.35\\\\35\%\ of\ 60\to \dfrac{35}{100\!\!\!\!\diagup}\cdot60\!\!\!\!\diagup=\dfrac{35\cdot6}{10}=\dfrac{210}{10}=21[/tex]

what is the AREA of the buildings in Volume city?​

Answers

Where is volume city?

A cake pan in the shape of a right triangle is shown below. What is the volume of the open area of the cake pan? A. 90 cubic inches B. 45 cubic inches C. 120 cubic inches D. 180 cubic inches

Answers

Answer:

Im pretty sure its d

Step-by-step explanation:

im not sure but i’m sorry if its wrong

Answer:

D. 180

Step-by-step explanation: multiply

How to add angle pairs? Pls help

Answers

Complementary angle pairs add to 90

Find the volume of the figure

Answers

Answer:

66 ft³

Step-by-step explanation:

The figure can be divided into a cuboid and a triangular prism.

Volume of the cuboid = l × w × h

Where l = 6ft, w = 3 ft and h = 2 ft

Volume = 6 × 3 × 2 = 36 ft³

Volume of  the triangular prism = Cross sectional area × Width

Where Cross sectional area = 0.5 × 10 ft × 2 ft and Width  = 3 ft

Volume = 10 × 3 = 30 ft³

Total volume = Volume of the cuboid + Volume of the triangular prism

∴ Volume of the figure = 66 ft³

One day, a restaurant chef reports that 28% of the meals served included chicken. What fraction of the meals served that day included chicken? Write the fraction in simplest form.

Answers

Answer:

72%

Step-by-step explanation:

72%+28=100%

HELP PLS! BRAINLIEST WILL BE GIVEN ​

Answers

Answer:

Might be C

Step-by-step explanation:

How many solutions does the system of equations have?
Choose the correct response.
O A One. The lines intersect at only one point.
O B. Infinitely many. The lines are the same.
O C Infinitely many. The lines are parallel.
D. None. The lines are parallel.

Answers

it is D :) hope this helps!

one number is 2 more than another. the difference between their square is 36. what are the numbers

Answers

x=y+2
y^2-x^2=36
Y^2-(Y+2)^2=36
-2y-4=36
y=-20
x=-18

You have 12 gallons of punch. You estimate that each guest will drink 3 cups. Do you have enough punch for 60 guests?

Answers

Answer:i got 1 2 3 4 5 6 7 8 shooters ready to gun you down

Step-by-step explanation:

Please help ASAP math question

Answers

2/3 would be the answer

Answer:

2/3

Step-by-step explanation:

You divide the numerator and denominator by 8

Simplify the following expression
7-5/6.7-7/6

Answers

Simplify the following expression 7-5/6.7-7/6The answer is 1/49

Plz I need help with this how would I go about solving this I really need the answer today thank you will give brainlest

Answers

y+4=13
y=13-4
y=11

3x-1=2x
3x-2x=1
1x=1
x=1

3z=63
z=63/3
z=21

Good luck.


WILL GIVE BRAINLEST 50 POINTS!
6.9.4 Journal: Similar circles

Scenario: Prove That All Circles Are Similar
Instructions
View the video found on page 1 of this Journal activity.
Using the information provided in the video, answer the questions below.
Show your work for all calculations.
The Students' Conjectures:The two students have different methods for proving that all circles are similar.
1. Complete the table to summarize each student's conjecture about how to solve the problem. (2 points: 1 point for each row of the chart)
Classmate Conjecture
John



Teresa





Evaluate the Conjectures:
2. Intuitively, does it make sense that all circles are similar? Why or why not? (1 point)

Yes just because some are small and some are big doesn't mean that they are different. And the formula for a circles circumference is C=2pi r and 2 and pi are alaway the same the only thing that changes is r.






Construct the Circles:
3. Draw two circles with the same center. Label the radius of the smaller circle r1 and the radius of the larger circle r2. Use the diagram you have drawn for questions 3 – 10. (2 points)

















4. In your diagram in question 3, draw an isosceles right triangle inscribed inside the smaller circle. Label this triangle ABC. (1 point)
5. What do you know about the hypotenuse of △ABC? (2 points)




6. In your diagram in question 3, extend the hypotenuse of △ABC so that it creates the hypotenuse of a right triangle inscribed in the larger circle. Add point Y to the larger circle so it is equidistant from X and Z. Then complete isosceles triangle XYZ. (1 point)
7. What do you know about the hypotenuse of △XYZ? (2 points)




8. How does △ABC compare with △XYZ? Explain your reasoning. (2 points)








9. Use the fact that △ABC ≈ △XYZ to show that the ratio of the radii is a constant. (2 points)








Making a Decision
10. Who was right, Teresa or John? (1 point)




Further Exploration:
11. What is the circumference of the circle that circumscribes a triangle with side lengths 3, 4, and 5?

Answers

Answer:I see the questions but is there supposed to be a chart or is it just questions?

Step-by-step explanation:

Answer:

I got the first one which is

John -if a circle is put it into the center of another and dilate to show that they are similar.

Teresa - says that if all corresponding parts of two circles have the same ratio they are similar.

Yes, all circles seem to be similar

I WILL GIVE BRAINLIEST!! :>
A baker uses 2/7 of a bag of sugar for every batch of cookies. The baker used 4 2/7 bags of sugar yesterday. How many batches of cookies did the baker make?​

Answers

Answer:

15

4 2/7=  30/7

30/7 times 7/2= 15

One box holds six eggs. If the farmer has 594 eggs, how many boxes of eggs does he have ​

Answers

Divide total eggs by number of eggs per box:

594 / 6 = 99

They has 99 boxes of eggs.

Answer:

594÷6=99

Step-by-step explanation:

YOU DIVIDE THE SUM OF EGGS AND THE NUMBER OF BOX HOLDING

Another submarine's descent can be represented as y=-240x, where y is the elevation and x is the time in hours. How long did it take the submarine to descend to the seafloor 2,100 feet below the surface?

Answers

Answer:

8 hours and 45 minutes

Step-by-step explanation:

-2100 divided by -240 = 8.75 or 8 hours and 45 minutes

Which expression is equivalent to (3^2)^-2
?

Answers

Answer:

I think the answer is 2\9

Step-by-step explanation:

Insert one term between -13 and -119 to create an arithmetic sequence of three terms.

Answers

Answer:

-66

Step-by-step explanation:

- 13, ____, -119

first, find the common difference:

-13 - (-119) = 106

next, divide 106 by 2: [tex]\frac{106}{2}[/tex] = 53

so, the common difference is 53.

now, subtract 53 from -13:

-13 - 53 = -66

Answer:

-66

Step-by-step explanation:

the sequence goes -13,-66,-119

just subtract with 53

(decreasing arithmetic sequence)

Robin hood plans to use a 54 ft ladder to reach the castle window of Maid Marian. Little John, who made the ladder, advised Robin that the angle of elevation of the ladder must be between \displaystyle 55^{of}55 o and \displaystyle 70^{of}70 o for safety. What are the minimum and maximum heights that can safely by reached by the top of the ladder when it is placed against the 50 ft castle wall

Answers

Answer:

The minimum height is: 44.24 ft and the maximum is 50.74ft

Step-by-step explanation:

Given

[tex]L = 54[/tex] --- Length of ladder

[tex]55 \le \theta \le 70[/tex]

Required

The minimum and maximum height

The question is illustrated with the attached image:

The height h is calculated using:

[tex]\sin(\theta) = \frac{h}{54}[/tex] --- sine equation

When [tex]\theta = 55[/tex], we have:

[tex]\sin(55) = \frac{h}{54}[/tex]

Make h the subject

[tex]h = 54 * \sin(55)[/tex]

[tex]h = 54 * 0.8192[/tex]

[tex]h = 44.24ft[/tex]

When [tex]\theta = 70[/tex], we have

This gives:

[tex]\sin(70) = \frac{h}{54}[/tex]

Make h the subject

[tex]h = 54 * \sin(70)[/tex]

[tex]h = 54 * 0.9397[/tex]

[tex]h = 50.74ft[/tex]

The minimum height is: 44.24 ft and the maximum is 50.74ft

Help please its math triangles..​

Answers

Answer:

28

Step-by-step explanation:

Add the top and bottom bases, divide by 2, multiply by height.

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