EASY 100 POINTS

Create a memory device to help you remember the quadratic formula. The device could be a song, drawing, rhyme, mnemonic device, or anything else you can think of that would be useful to you.

Answers

Answer 1
x is equal to negative b plus or minus the square root of b squared minus four ac, all over 2a.

Related Questions

7428.358146 round to nearest cent

Answers

Answer:

7428.40

Step-by-step explanation:

What is the equation of the graphed line written in
standard form?
2x + 3y = -6
2x + 3y = 6
y= -2/3x - 2
v= 2/3x - 2

Answers

Answer:

A. 2x + 3y = -6

Step-by-step explanation:

[tex](-3,0) (0,-2)[/tex]

[tex]slope:\frac{-2-0}{0+3} =\frac{-2}{3}[/tex]

[tex]y-0=\frac{-2}{3} (x+3)[/tex]

[tex]3y=-2x-6[/tex]

[tex]3y+2x+6=0[/tex]

[tex]2x+3y=-6[/tex]

-------------------

hope it helps...

have a great day!!

help me pls!! giving brainliest and 5 stars

Answers

Answer:

A reflection over the line y = x followed by a translation up 3 units

Step-by-step explanation:

Since this is a multiple choice question, let's test each answer out.

First scenario:

"A reflection over the y-axis followed by a translation right 3 units and down 4 units"

Reflect segment XY over the y-axis, we get segment XY between x = 2 and x = 6, on y = 5 line.Translate right 3 units, we get segment XY on y = 5 line, between x = 5 and x = 9.Translate down 4 units, we get segment XY on y = 1 line, between x = 5 and x = 9.

Resulting segment does not match segment X'Y', this answer is incorrect

Second scenario:

"A reflection over the line y = x followed by a translation up 3 units"

Reflect segment XY over y = x line, we get segment XY, between y = -2 and y = -6, on x = 5 line.Translate up 3 units, we get segment XY on x = 5 line, between y = 1 and y = -3.

Resulting segment matches segment X'Y', this is the correct answer.

What did the inventor of the 10-ton truck so often say?

Answers

Answer:

He often said "Diesel Be Good"

Step-by-step explanation:

HELP ME SOMEBODY PLEASE 8 more

Answers

Answer:C

Step-by-step explanation:

I think

Answer:

D

Step-by-step explanation:

The correct answer is D because it is the lowest number. If you did the largest number it is more likely to happen.


A bag contains 9 blue marbles and 36 green marbles. If a representative sample contains 3 blue
marbles, then how many green marbles would you expect it to contain? Explain.

Answers

Answer:

It is 12 green marbles

Step-by-step explanation:

[tex] \frac{9}{3} = 3 \\ \\ \frac{36}{x} = 3 \\ x = \frac{36}{3} \\ x = 12[/tex]

I hope that is useful for you :)

Simplify the mathematics question

Answers

this simplified becomes

x+5/2x+3

Solve: 16х2 - 81 = 0. (2 points)
Ox = 4, 9
Ox= -4, -9
ООО
9
х=
О
х
81
16
16

HELP PLEASEEE

Answers

C I think I’m sorry if it’s wrong

Answer:

x=9/4,x=-9/4

Step-by-step explanation:

16x^2−81=0

Step 1: Add 81 to both sides.

16x^2−81+81=0+81

16x^2=81

Step 2: Divide both sides by 16.

16x^2/16 = 81/16

x^2 = 81/16

Step 3: Take square root.

x = ±√81/16

x=2.25,x=−2.25

Convert to fraction form.

x=9/4,x=-9/4

What is the probability that someone in your class wants the New England Patriots to win

Answers

Answer:

Step-by-step explanation:

It all depends on how many people are in your class.

To calculate probability

Determine a single event with a single outcome.

Identify the total number of outcomes that can occur.

Divide the number of events by the number of possible outcomes.

To determine the probability, Use the formula

What is the formula of probability?

P(A) is the probability of an event “A” n(A) is the number of favourable outcomes. n(S) is the total number of events in the sample space.

P(A | B) = P(A∩B) / P(B)

Which choices are equivalent to the exponential expression below? Check all that apply (5/3)^3

Answers

Answer:

D is the answer

Step-by-step explanation:

If ° (3n-4)2 * = 310 then n= ?

Answers

Answer:

n=53

Step-by-step explanation:

(3n-4)2

distribute the 2

you get 6n-8

plug in 53 into n 5(53)-8 and then you times 6 and 53 and get 318 subtract 8 from that and you get 310

Find the CIRCUMFERENCE of a circle with the DIAMETER of 11 ft.
HELP PLS

Answers

Answer:

half of 11 is: 5.5

5.5 x 3.14 x 2 = 34.54

Determine whether the following can be modeled by a quadratic,
exponential or linear function? Cancer triples every six months.
quadratic
exponential
linear

Answers

Answer:

3 times 6 is 9

3 times 250 million is 750000000

Step-by-step explanation:

Use long multiplication to evaluate.

HELP ME WITH THE EQUATION!!! IF ITS CORRECT ILL GIVE BRAINIST

Answers

Answer:

The equation would be F = C - 3m

Step-by-step explanation:

Based on the chart, the fee for each movie you rent costs 3 dollars. The F is the monthly membership fee, the m is the number of movies rented, the 3 is the fee for each movie rented, & the C is the cost.

I really hope that it helps.

Emily bought 36 yards of fabric to make curtains.
How many inches of fabric did Emily buy?
Emily bought
Inches of fabric.

Answers

Answer:

36 yards = 1,296 inches.

Using the formula below, calculate the z-score for the listed data points. z-score: zx = x − μ σ z1 = z5 = z6.5 =

Answers

Answer:

z1 = -1.95

z5 = 0.05

z6.5 = 0.8

Step-by-step explanation:

The value of the z score for a mean of 4 and standard deviation is 1.

What is Z score?

The z score is used to determine by how many standard deviations the raw score is above or below the mean. It is given by:

z = (x - μ)/σ

Where x is the raw score, μ is the mean and σ is the standard deviation.

Let us assume that μ = 4, σ = 2, hence for x = 6:

z = (6 - 4) / 2 = 1

The value of the z score for a mean of 4 and standard deviation is 1.

Find out more on Z score at: https://brainly.com/question/25638875

Can someone help me with these questions?

Answers

1) 11 books per box with one in the envelope.
2) 44 books are on one shelf. There is 1 book left over.
3) day 9
4) 8 books.

how to make percent to decimal?

ex. 76% = #/#

Answers

You just move the decimal place over twice. Ex: 76% = 0.76

Answer:

divied by 100 and remove the "%" sign.

Step-by-step explanation:

1.)example 10% becomes 10/100=0.10

2.) example 67.5% becomes 67.5/100=0.675

HELP
PLZZZ Z DONT GIVE ME A LINK

Answers

Answer:

These relationships are realted because the variable is multiplied by ten to get the function.

9cm: 90mm

12 1/4cm: 122.5mm

50cm: 500mm

88.49cm: 884.9mm

By the way, can you follow me on Brainly?

Thanks!

Can someone please help me answer this question asap thank you . No links please and thank you .

Answers

It’s a 10 to 1 relationship

solve the system by substitution 3x-y=10 2x=y

Answers

Answer

X=10 and y=20

Step-by-step explanation:

since y=2x, you need to substitute that into the equation to get:

3x-(2x)=10

And evaluate:

x=10

Then substitute 10 into the equation: 2x=y:

2(10)=y

evaluate:

20=y

Now go back to the original equation to check your answer and substitute the values in:

3(10)-(20)=10

30-20=10

10=10

X=10, Y=20
steps
1) substitute 2x into the equation for Y
2) combine like terms ( 3x and -2x which equals 1x or x)
3) solve for x’s value (10)
4) plug in x’s value to solve for y
5) plug values into original equation to check work

NO LINKS PLEASE what is y? (please explain the steps too :))

y=3(19)-5 y=2(19)+14​

Answers

Answer:

solution given:

y=3(19)-5=57-5=52

y=2(19)+14=2×19+14=38+14=52

:.

y=52

Answer:

y = 52

Step-by-step explanation:

Order of operation says we must multiply before you subtract or add.

So 3 * 19 = 57 then subtract 5 you get 52.

Next 2 * 19 = 38  then 38 + 14 = 52

Whats the slope using rise/run?

Answers

Answer:

-4,1

Step-by-step explanation:

Y is at -1,1

X is at -5,0

subracting we get -4,1

since it’s rise over run

-4,1

so -4

The temperature outside changed from 79°F to 44°F over a period of five days. If the temperature changeu
amount each day, what was the daily temperature change?
OA. 35°F
OB. -7°F
ОС.
-35°F
OD. 7°F

Answers

Answer:

B: -7°F

Step-by-step explanation:

79-44=35

Because its over a period of five days we would divide

35÷5=7

Since the numbers are going down its negative

-7

Answer:-7

Step-by-step explanation:

ratios that are equivalent to 9:6.

Answers

Answer:

3:2

Step-by-step explanation:

Answer:

3:2 , 18:12 , 27:18

Step-by-step explanation:

There are endless ratios that are equal to 9:6.

Such as 3:2 , 18:12 , and 27:18.

To find equivalent ratios, simply divide or multiply the two numbers in the ratio by the same number.

For example, the ratio is 9:6.

9/3 = 3

And, 6/3 =2

So therefore an equivalent ratio is 3:2.

Select the correct answer.
A news website is interested in knowing which other sites its users visit for their technology news, so it sends an email survey to 10,000 of its
registered users selected at random. For what type of bias are the survey results at risk?
OA. The survey results are not at risk for any blas.
OB. The survey results are most at risk for undercoverage.
OC. The survey results are most at risk for nonresponse blas.
OD
The survey results are at risk for nonresponse blas and undercoverage.

Answers

Answer:

its c. The survey results are most at risk for nonresponse bias. please mark me the brainliest :)

Step-by-step explanation:

Answer:

Give other guy brainliest!!

It's for my sister she wants me to do it HELP HER

Answers

Answer:

I think its the second one

Step-by-step explanation:

Sorry if im wrong





12 + 3y = 21
Expression or Equation:

Answers

It is an equation because it has an equal sign. Whereas an expression does not have an equal sign.

Answer:

equation

Step-by-step explanation:

12 + 3y = 21

-12. -12

__________

3y = 9

y = 3

Identify the pair of angles

Answers

Answer:

Obtuse and Acute Angles

Step-by-step explanation:

Since angles are supplementary one will be obtuse and the complementary one will be acute.

The solid is a right hexagonal pyramid. What is the sum of the number of faces, vertices, and edges of the solid?
o7
o 12
o26
o38

Answers

Answer: 26

Step-by-step explanation: assignment on edg

Answer:

26

Step-by-step explanation:

got it right on test

Other Questions
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