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Why do you have to use the quadratic formula for the following instead of factoring?
x^2 - 12x - 20 = 0

Answers

Answer 1

Answer:

There are no factor that you can find that when two factors are multiply together your get a product of -20 and when you add then you get -12

Step-by-step explanation:


Related Questions

I will give BRAINEST

If l| m, find the values of x and y in the diagram below

Answers

Answer: x= 13, y=24

Step-by-step explanation:

7x - 31 + 63 + 5x - 8 = 180 (sum of co-interior angles)

Solving this we get x = 13

4y + 27 + 5x - 8 = 180 (sum of co-interior angles)

Replacing x=13 and solving, we get y = 24

The value of x is 7 and y is 31.5.

What is Transversal line?

Transversal line is a line that is formed by cutting two or more parallel lines.

Here there are two transversal lines which cut two parallel lines.

If two parallel lines are cut by a transversal line, then the interior angles on the same side of the transversal will be supplementary.

The angles of measures (7x - 31)° and (5x - 8)° + 63 are two interior angles  on the same side of transversal and are thus supplementary.

(7x - 31)° + (5x - 8)° + 63 = 180°

7x + 5x - 31 - 8 + 63 = 180

12x + 24 = 180

12x = 180 - 24

12x = 156

x = 156/12 = 13

Similarly, (5x - 8)° and (4y + 27)° are a pair of interior angles on the same side of transversal.

(5x - 8)° + (4y + 27)° = 180°

5x + 4y + 19 = 180

(5 × 13) + 4y + 19 = 180

65 + 4y + 19 = 180

4y = 96

y = 24

Hence the values of x and y are 13 and 24 respectively.

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mowed 3 yards for $35.00

Answers

Answer:

AYO HE LOOKIN SPIFFY

Step-by-step explanation:

Perform the indicated operation. Reduce to lowest terms if possible.
2 1/2 x 2 1/3

Answers

Answer:

Step-by-step explanation:

Convert mixed fraction to improper fraction.

[tex]2\dfrac{1}{2}*2\dfrac{1}{3}=\dfrac{5}{2}*\dfrac{7}{3}=\dfrac{5*7}{2*3}\\\\=\dfrac{35}{6}=5\dfrac{5}{6}[/tex]

Hi could someone please help me thank you

Answers

Answer:

f(x) = 25 * 1.25ˣ

Step-by-step explanation:

Use Desmos

Search it up

need help with this please

Answers

Answer: plug 32 in for m

Step-by-step explanation:

Solve for r −11r+8=10r−13

Answers

Answer:

r=1

Step-by-step explanation:

[tex]-11r+8-8=10r-13-8\\\\-11r=10r-21\\-11r-10r=10r-21-10r\\-21r=-21\\\frac{-21r}{-21}=\frac{-21}{-21}\\r=1[/tex]

Determine which of the following is a geometric sequence.
A. 2, 5, 8, 11
B. 2, -6, -18, -24
C. 3, -6, 12, -24
D. 3, 6, 18, 36

Answers

Step-by-step explanation:

A is in geometric sequence as 3 is added in the number,

2 + 3 = 5, 5 + 3 = 8, 8 + 3 = 11

hope this answer helps you dear...take care and may u have a great day ahead!

Evaluate using the order of operation 8.4+(13.1-0.6)

Answers

Answer:

20.9

Step-by-step explanation:

13.1 - 0.6 = 12.5

12.5 + 8.4 = 20.9

A square with side length 5.5 mm is increased by a factor of 11. What will be the perimeter of the square after dilation?
22 mm
60.5 mm
242 mm
2,662 mm

Answers

Answer:

The perimeter of the square after dilation will be 242 mm

Step-by-step explanation:

[tex]5.5*11 = 66.5\\P = 4s\\P = 4(66.5mm)\\P = 242mm[/tex]

Answer:

its c

Step-by-step explanation:

got it right on edge

t=(m+b)x solve for x

Answers

Answer:

[tex]x=\frac{t}{m+b}[/tex]

Step-by-step explanation:

T = (m + b)x

Divide both side by (m + b):

[tex]\frac{T}{(m+b)} =\frac{(m+b)x}{(m+b)}[/tex]

Cancel out (m + b) and you have your answer!

Hope this helped. A brainliest would be very much appreciated. (I need 4 brainliest so I can level up) :)

If x=19 and y=8, find y when x=38

Answers

Answer:

I think it would be 27

Step-by-step explanation:

because 8 is 11 less than 19 and you would subtract 11 from 38

After training for and running a marathon, an athlete wants to reduce her daily run
by half each day. The marathon is about 26 mi. How many days will it take after the
marathon before she runs less than a mile a day? Show your work.

Answers

Answer:

6 days

Step-by-step explanation:

This question becomes much easier when written out per day (shown below). The question tells us that she is reducing her run by half every day, so all we need to is divide the previous day by 2 to get the current day. She starts out with 26 miles so this is our day 1 value.

Day 1 = 26 miles

Day 2 = 13 miles (26÷2=13)

Day 3 = 6.5 miles (13÷2=6.5)

Day 4 = 3.25 miles (6.5÷2=3.25)

Day 5 = 1.625 miles (3.25÷2=1.625)

Day 6 = 0.8125 miles (1.625÷2=0.8125)

We can see that by day 6, her total running amount is less that 1 mile, so the final answer is 6 days.

If Greg purchased 6 cups of yellow paint for $54, what is the unit price per cup of yellow paint?

Answers

Answer:

The correct answer is 9.

Step-by-step explanation:

To get this solution, you would need to use division.

[tex]\frac{54}{6} = 9[/tex]

--

To be sure that the answer is correct, check your answer.

[tex]9*6 = ?[/tex]

[tex]9*5 = 45[/tex]

Since the easiest way to determine the multiple of 9 is 5, all you need to do is add another 9.

[tex]45+9=54[/tex]

--

**Remember: You are able to check if your answer(s) are correct in any way you are comfortable with.

Answer:

$9 per cup

Step-by-step explanation:

Let the unit price is x.

6 cups cost $54:

6x = 54x = 54/6x = 9

Calculate the unit rate for each. Don’t forget the units!

a) Andre DeGrasse runs 100m in 9.91 seconds.

b) Paint costs $48 for 3.8L.

c) Ethan earned $120.25 for working a 6.5h shift.

Answers

Answer:

letter c. po sagot diyan po

Answer:

a) Andre DeGrasse runs 100m in 9.91 seconds.

100 m / 9.91 s = 10.09 m per second

b) Paint costs $48 for 3.8L.

$48 / 3.8 L = $12.63 per L

c) Ethan earned $120.25 for working a 6.5h shift.

$120.25 / 6,5 h = $18.5 per hour

how is five hundred two thousand,seven and four hundredths written in expanded nataion?

Answers

Answer:

502,007.004

Step-by-step explanation:

because I smart middle schooler

Answer:

502,007.004

Step-by-step explanation:

because I smart middle schooler

Divide.

(−1/5)÷(−4/5)

What is the quotient?

Enter your answer as a simplified fraction in the box.

Answers

5 : 1/6 = 301 = 30. Is the answer

The quotient from the expression (−1/5) ÷ (−4/5), in the simplified fraction is 1/4.

We have,

To calculate the quotient of the expression (−1/5) ÷ (−4/5), you can follow these steps:

- Invert the second fraction (divisor): (-4/5) becomes (-5/4).

- Multiply the first fraction (dividend) by the inverted second fraction: (-1/5) * (-5/4).

- Simplify the result if possible.

(-1/5) * (-5/4)

= (1 * 5) / (5 * 4)

= 5 / 20

Both the numerator and denominator have a common factor of 5, which can be cancelled out:

5 / 20 = 1 / 4

Thus,

The quotient in the simplified fraction is 1/4.

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Andrew and Kate have $30 to spend on dinner, tax, and gratuity at Mo's Restaurant, Tax is 0%, and they will give a 15%
tip on the total bill after taxes. Their dinner costs $21.00. Which statement correctly explains whether Andrew and Kate
have enough money to pay their bill?
Yes. They have enough to pay their bill: $30x1.08 - 131 80 and $31 80x1.15 - $38.57,
Yes. They have enough to pay their bill: $21x1.08 - $22 28 and $22.28x1 Why 625,80),
No. They do not have enough to pay their bill: 130 x 1.08 - 531 80 and $31 80x115 -- $38 57,
No. They do not have enough to pay their bill: $21x 108 - $22.28 and $22.28 x 1.15 - $25 60.

Answers

Answer:

If the cost of dinner is less then the money that the Andrew and Kate have then we can say Andrew and Kate have enough money to pay their bill. answer should be "b".

Step-by-step explanation:

Answer: its B.)

Step-by-step explanation:

how many times does 15 go into 745.3?

Answers

Answer:

49 times

Step-by-step explanation:

You can divide 745.3 by 15 to see that 49 fifteens will fit in 745.3

Answer:

49 times

Step-by-step explanation:

745.3 / 15 = 15.68666...

Which translates to 15 times.

PLEASE MARK AS BRAINLIEST!!!!!

Find the equation of the exponential function represented by the table below:

0
2
1
4
2
8
3
16

Answers

9514 1404 393

Answer:

  y = 2·2^x

Step-by-step explanation:

When the exponential function is of the form ...

  y = a(b^x)

The value of 'a' is the value of y when x=0. The table tells us a = 2.

The value of 'b' is the ratio between values of y when their corresponding x-values differ by 1. The table tells us b = (4/2) = 2.

Then the exponential function describing the table is ...

  y = 2(2^x)

Which of the following are remote interior angles of <6? Check all that apply.


Choices
A. 5
B. 1
C. 6
D. 4
E. 3
F. 2​

Answers

Answer:

Well you see Is this GCSE

A large national park has an area of 91,417 acres. What is its area in hectares

Answers

Answer:

36995.1474

Step-by-step explanation:

multiply the area value by 2.471

Eggs cost $5.40 per doven how many is twenty five eggs cost

Answers

Answer:

135.000

Step-by-step explanation:

5.40 x 25 = 135.000

Answer:

135.000

Step-by-step explanation:

5.40×25= 135.000

help me pleaseeeeeeee

Answers

Answer:

59 im pretty sure

Step-by-step explanation:

60 i think so this the answer

write 1 409 in words

Answers

Answer:

One thousand four hundred nine

Step-by-step explanation:

What is the value of x if...
9x - 4 - 4x = 8 + 3x

Answers

Hello!

Answer:

x=6

Step-by-step explanation:

Hope this helps!

What is an equivalent expression for 6x6x3x3x3x3

Answers

6^2*3^4. Hope that helped!! Btw they’re exponents

75 muffins in 5 batches
Unit Rate

Answers

15 is the unit rate because 75 divided by 5 is 15.

Find the intersection point of the straight line equations y = 2x-13 and y = -5x+1​

Answers

Answer:

(2,-9)

Step-by-step explanation:

Equation Form:

x = 2  

y = − 9

Sorry forgot the to put the question in.

Answers

Answer:

-2/3 rational i/2 irrational 0.7 rational √5 irrational √ 16 irrational 0 whole number 3.89 rational -4 integer

Step--by-step explanation:√ 5 rational or irrational

Natural Number: -2/3, 0.7,√16, 0, -4

Whole Number: 0.7,√16 0

Integers: -2/3, 0.7,√16,0, -4

Rational Number: -2/3, 0.7, √16,0, -4

Irrational Number: π/2, √5,

What time is 13 hours past 1:00 am

Answers

Answer:

2 pm

Step-by-step explanation:

Answer:

I'm guessing it's 1:00pm? Or 2, not really sure, sorry

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