how do you identify quadratic equations?

Answers

Answer 1
Often the easiest method of solving a quadratic equation is by factoring. Factoring means finding expressions that can be multiplied together to give the expression on one side of the equation. ... The equation x2+x−6=0 x 2 + x − 6 = 0 is in standard form.

Related Questions

Marking Brainly!!! Please help Kigar Wood Shop used 18,400 kilowatt hours of electricity with a peak
load of 200 kilowatts in May. The customer charge is $25.00. The
demand charge is $8.50 per kilowatt. The energy charge is $0.07 per hour.
kilowatt hour for the first 1,000 kilowatt hours and $0.055 per kilowatt
hour for more than 1,000 kilowatt hours. The fuel adjustment charge is
$0.05 per kilowatt hour. Determine the total of this months electricity bill.

Answers

Answer:

2 x 32 = 64 watts x 5 hours per day estimate usage = 320 watts. Multiplied by 365 days in a year = 116,800 watts, divided by 1000 (1000 watts is 1 kilowatt hour) = 116.80 kWh.

Step-by-step explanation:

Why can not use this formula to and the measure of an exterior angle in an irregular polygon? Exterior angle - 360º n​

Answers

I'm assuming you mean the formula [tex]E = \frac{360}{n}[/tex] where E is the exterior angle measure and n is the number of sides.

This formula only works for regular polygons. Regular polygons have two important properties:

All sides are the same length (eg: all sides are 10 inches long)All angles are the same measure (eg: all angles are 60 degrees)

The side length number and angle value do not have to line up. We could have an equilateral triangle where each side is 10 inches long and the three angles are 60 degrees each. Any equilateral triangle is always a regular polygon.

For irregular polygons, we have polygons where one of those two items above (or both) are not the case. This means each exterior angle will not be the same. So we'd have to find another way of finding the exterior angle value.

Find the GCF of 12 and 32

Answers

Answer:

4

Step-by-step explanation:

Victoria wants to buy a car,she makes 250$ every week, the car cost 2,000 dollars. How many weeks does she need to save money to buy her car?

Answers

Answer:

8 weeks

Step-by-step explanation:

2000/250 = 8

Write an equation for the line that has a slope of -4 and passes through the point (2,-3)

Answers

Answer:

y = -4x + 5

Step-by-step explanation:

y = -4x + b

-3 = -4(2) + b

-3 = -8 + b

5 = b

A coordinate plane with a straight line passing through the points (negative 6, negative 8) and (2, 8).
Use the formula m =m equals StartFraction y 2 minus y 1 Over x 2 minus x 1 EndFraction to calculate the slope of the line.

The slope of the line is
.

Answers

Answer: 2 is correct

Step-by-step explanation:

The slope of the line passing through the points (-6, -8) and (2, 8) is 2.

Used the formula for the slope of the line passing through the points

(x₁ , y₁) and (x₂, y₂) would be,

[tex]m = \dfrac{(y_2 - y_1)}{(x_2 - x_1)}[/tex]

Given that,

A coordinate plane with a straight line passing through the points (-6, -8) and (2, 8).

By using the above formula, the slope of the line is,

[tex]m = \dfrac{(y_2 - y_1)}{(x_2 - x_1)}[/tex]

[tex]m = \dfrac{(8 - (-8))}{(2 - (- 6))}[/tex]

[tex]m = \dfrac{(8 + 8)}{(2 + 6)}[/tex]

[tex]m = \dfrac{(16)}{(8)}[/tex]

[tex]m = 2[/tex]

Therefore, the slope of the line is 2.

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One month Debra rented 8 movies and 3 video games for a total of $38. The next month she rented 2 movies and 5 video games for a total of $35. Find the
rental cost for each movie and each video game.

Answers

Im not sure if the way I do it is the same as yours but I don’t know how to explain how to do it so I just took a picture.

Videos games = $6
Movies = $2.50

Out of all the trains currently at Middlebury Station, 5 are
headed east, 4 are headed west, and 9 are headed north.
What is the probability that a randomly selected train will be
heading north?

Answers

Answer:   1/2

Work Shown:

9 trains headed north

5+4+9 = 18 trains total

P(north) = (# of north)/(# total) = 9/18 = 1/2

A number to be a rational number that is not an integer but a while number

Answers

Answer:

So coming back to the question; No, there is no rational number that is not an integer but is a whole number. The number is called as a rational number if it can be expressed as p/q where p & q are integers & q is not 0. All negative integers are rational numbers but those are not whole numbers.Jan 1, 2020

Step-by-step explanation:

Help me solve this, please?

Answers

Answer:

[tex]h = \frac{3v}{A}[/tex]

Step-by-step explanation:

Share £360 into the ratio 3:2:1

Answers

Answer:

£180, £120 and £60.

Step-by-step explanation:

The number of parts = 3 + 2 + 1 = 6.

360 / 6 = 60, so the shares are:

3*60 = 180

2*60 = 120

1 * 60 = 60.

The distribution of £360 in the ratio of 3:2:1 will be  £180, £120 and £60.

What is a ratio?

In mathematics, ratios are used to determine the relationship between two numbers it indicates how many times is one number to another number.

The number of parts = 3 + 2 + 1 = 6.

360 / 6 = 60, so the shares are:

3  x 60 = 180

2 x 60 = 120

1  x 60 = 60.

Hence the distribution of £360 in the ratio of 3:2:1 will be  £180, £120 and £60.

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A certain store only sells items for $6 and 17$ What is biggest number that you cannot get when buying
items at this store?

Answers

Answer:

The smallest you can get is 5$

Step-by-step explanation:

Liliana has $2.10 in nickels and quarters in her backpack. She has 12 more nickels than quarters. How many coins of each type does she have?

Answers

Step-by-step explanation:

17 nickels and 5 quarters I just thought way to much for such a simple question

PLEASE HELP it’s been an hour and I can’t figure this out it’s about rate of change algebra 2 I can give brainlist

Answers

Answer:

part b is B

Step-by-step explanation:

not sure about the first part i dont want you to get it wrong i kind of forgot about it

A class has 28 students. The ratio of girls to boys is 4:3. How many girls are in the class

Answers

There would be 12 female students

Answer:

16 girls hope i helped:)

Step-by-step explanation:

4 to 3 ratio total 28 students

1st round

4girls

3boys

total 7 students

2nd round

4girls +4girls

3boys+ 3 boys

total 14 students

3rd round

4girls+ 4girls + 4girls

3boys+ 3boys+3 boys

total 21 students

4th round

4girls + 4girls + 4girls + 4girls

3boys + 3boys +3boys + 3boys

total 28 students

12boys

16girls

When you square or cube a negative number is it still negative or does it become positive?

Example:
(-4)^{2}

Answers

When you square a negative number, the result is positive.
(-4)^2 = (-4)ª(-4) = 16

When you cube a negative number, the result is negative.
(-4)^3 = (-4)•(-4)•(-4) = -64

Negatives pair up and cancel out, so odd exponents always have one negative unpaired, making the result negative.

Is 62.78 an integer?

Answers

Answer:

no

Step-by-step explanation:

Like whole numbers, integers don't include fractions or decimals.

62.78

= 3139/50 which is a fraction.

Answer:

NO

Step-by-step explanation:

An Integer is a whole number, such as 3 or 4 but not 3.5,...Therefore it is not possible for 62.3 to be a integer...., but we can round it as 63 to form integer....

HOPE THIS HELPS YOU......

plz answer this step bye step.
20-(-30)+(-15)÷3

Answers

Answer:

45

Step-by-step explanation:

Using PEMDAS,

20 - (-30) + (-15) ÷ 3 =

20 + 30 - 15 ÷ 3 =

20 + 30 - 5 =

50 - 5 =

45

Answer:

45

Step-by-step explanation:

[tex]20 - ( - 30) + ( - 15) \div 3[/tex]

[tex]20 + 30 + ( - 15) \div 3[/tex]

[tex]( - 15) \div 3 = - (15 \div 3) = - 5[/tex]

[tex]20 + 30 - 5[/tex]

[tex]20 + 30 - 5 = 50 - 5[/tex]

[tex] = 45[/tex]

An industrial machine is able to make 36 cups in 9 seconds. What is the rate made per second?

36 cups per second

9 cups per second

12 cups per second

4 cups per second

Answers

Step-by-step explanation:

36/9

4cups per second

hope this helps

tex]x + 4/3 + 9/8x = 7/2 + 7/4x[/tex]

Answers

9514 1404 393

Answer:

  x = 52/9

Step-by-step explanation:

  [tex]x + \dfrac{4}{3} + \dfrac{9}{8}x = \dfrac{7}{2} + \dfrac{7}{4}x\\\\24x+32+27x=84+42x\qquad\text{multiply by 24 to clear fractions}\\\\9x=52\qquad\text{subtract $42x+32$}\\\\\boxed{x=\dfrac{52}{9}}[/tex]

Use absolute value notation to represent the distance between x and 8 is no more than 4

Answers

The distance: use absolute value
Between x and 8: x-8

The distance between x and 8: | x-8 |

“is no more than” means it can be that or be less than that, so use ≤

The distance between x and 8 is no more than 4

| x-8 | ≤ 4

| x - 8 | ≤ 8 will be the absolute value notation to represent the distance between x and 8 is no more than 4.

What is absolute value?

Absolute values are the value of any digit without considering the sign.

So all negative values will be considered positive for absolute value.

For example, the absolute value of -2 will be 2 and the absolute value of -7 will be 7.

Given that,

Distance between x and 8

Now,

If x < 8 then x - 8 will negative and if x > 8 then it will positive.

So we need to use the mode function.

So,

| x - 8 | is distance between x and 8

Now it is no more than 4 so it is less than and equal to 8.

So,

| x - 8 | ≤ 8

Hence "| x - 8 | ≤ 8 will be the absolute value notation to represent the distance between x and 8 is no more than 4".

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Help ASAP pleaseeee!!!!!

Answers

This is the solutions to the question

Answer:

x = -2/ 9

Step-by-step explanation:

[tex] \frac{2}{5}(x - 2) = 4x \\ \frac{5}{2} \times \frac{2}{5}(x - 2) = 4x \times \frac{5}{2} \\ x - 2 = 10x \\ 9x = - 2 \\ x = \frac{ - 2}{9} [/tex]

Thaddeus wants to attend a sports camp this spring that costs $170.00 for the week. He rakes leaves during the fall and earns
$58.35. He shovels snow during the winter and earns $85.80. How much more money does Thaddeus need to earn to pay for the
sports camp? Write your answer as a decimal.
Thaddeus needs to earn $

Answers

170 - (58.35 + 85.80) = 25.85

Matt and Mandy are partners in a taco truck. The partnership is in the ratio of 2:4
respectfully. If they need $56,400 to start the business how much will Mandy have
to invest?

Answers

Answer:

$37,600

Step-by-step explanation:

2:4 ratio which means there is 6 parts

56,400/6 = 9,400

Mandy is the 4 as she came second in the question which said respectfully(in that order)

9,400 x 4 = $37,600

Though in all honesty I may be wrong, I haven't worked on any ratios in a longggg time

The difference of a number and 4 is 9

Answers

Answer:

5 maybe

Step-by-step explanation:

when speaking in difference, it's usually talking about subtraction! so when written down your problem would look like : x - 4 = 9 .  (x=5)

Please help! I’ll give brainliest to whoever answers! Thank you!

Answers

Both are true.

The empty set is a subset of all sets.

If d is an element of M and M is a subset of G, then d must be an element of G, because M only contains things that are in G.

Anybody else think the coronavirus vaccine is absolutely bologna? I dont even know why the FDA approved it.... like....?????

Answers

Answer: The vaccine help prevent  cases with the virus, but if you have the virus and the vaccine, you do not fare as well as you would without the vaccine.

Personally, I think that the vaccine should still go through more testing to see how it impacts people in the long-run. I think it would be relatively safe to get vaccinated now, but I would be worried about how it could impact me in the long run. Granted, I don’t think they put microchips or anything in the vaccine, as it’s just instructions to build up immunities to the virus, however, since we don’t know what exactly it does in it’s full degree, it could have negative side effects eventually. I wish they wouldn’t make the vaccine mandatory for schools and stuff until they’re absolutely certain the vaccine is safe.

The angle made by circle is ______.​

Answers

Answer:

Step-by-step explanation:

360 degrees

Answer:

No angle is made

Step-by-step explanation:

According to me an angle is a point where two or more lines meet and apparently a circle has no meeting lines expect with given radii , diameters or chords

Use the BUCK or UPSC strategy to solve. Show your work.

A test has 20 questions. The test awards 3 points if the answer is correct and takes
away 1 point if the answer is incorrect. A student answered 5 questions incorrectly.
How many points did the student lose?

Answers

5 points because that is 5x1

A company offering short term loans agrees to lend Nick $1,200. The amount (plus interest) is repayable in one year, and the interest rate is 12% per month. What is the total amount that must be repaid?

Answers

Answer:

$2,928 in 1 year

Step-by-step explanation:

Amount lent = $1,200

Monthly interest rate = 12%

Period = 12 months

Interest accrued = Amount lent * Monthly interest rate * Period

Interest accrued = $1,200 * 12% * 12

Interest accrued = $1,200 * 1.44

Interest accrued = $1,728

Amount repaid = Amount lent + Interest accrued

Amount repaid = $1,200 + $1,728

Amount repaid = $2,928

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