What must be true when solving a quadratic equation when using factoring?
The equation must be equal to

Answers

Answer 1

Answer:

Step-by-step explanation:

The function must be factorable.

For example, x^2 + x - 6= 0  factors to (x + 3)(x - 2) = 0 so the roots are -3 and 2.

x^2 + x - 7 = 0  will not factor so you need another method to solve this.


Related Questions

Abe makes $18.50 per hour. He works 40 hours a week. He is considering renting an apartment that will cost $1,500 per month. What is the difference between his recommended rent amount and the cost of this apartment (round to the nearest dollar)?

Answers

Answer:

os(390)   sin(330)   csc(60)

Step-by-step explanation:

A triangular pyramid is formed from three right triangles as shown below.
Use the information given in the figure to find the length BD.
If applicable, round your answer to the nearest whole number.
The lengths on the figure are not drawn accurately.

Answers

ΔADC is a right angle triangle, we will use the Pythagorus Theorem to find the length CD.

Formula of the Pythagorus Theorem :  

⇒ a² + b² = c²

⇒ AD² + CD² = AC²

The value of AD is 54 and the value of AC is 90:

54² + CD² = 90²

Solve for CD:

54² + CD² = 90²

CD² = 90² - 54²

CD² = 5184

CD = √5184

CD = 72

ΔADC is also a right angle triangle, we will use the Pythagorus Theorem to find the length BD.

Formula of the Pythagorus Theorem :  

⇒ a² + b² = c²

⇒ BD² + CD² = BC²

The value of CD is 72 and the value of BC is 97:

BD² + 72² = 97²

Solve for BD:

BD² = 97² - 72²

BD² = 4225

BD = √4225

BD = 65

Answer: The length of BD is 65 units.

A new espresso coffee maker is being used at the coffee shop where you work. It heats water to 122°F in a matter of seconds. What is the equivalent
Celsius reading of this temperature?

Answers

Answer:

50°C

Step-by-step explanation:

(122°F − 32) × 5/9 = 50°C

Amiera has 3/4 of a bag of cat food. Her cat eats 1/10 of a bag per week. How many weeks will the food last?

Answers

Answer:

Step-by-step explanation:  lets say the fod is chicken 3/4 is 75 out of 100 1/10 out of 100 is 10 lets see how many times we can take 10 out of 75 .

you can do it 7 time because 7 rimes 10 is 70 meaning that you have 7 weeks

and half a week hope this helps B)

The theoretical probability of spinning a 9 is_?

Answers

Answer:

The theoretical probability of spinning a sum of 9 is 4/36 or 1/9.

Step-by-step explanation:

Answer: 0%

Step-by-step explanation:

and

Simplify.
13²
pls fast

Answers

Answer:

169

Step-by-step explanation:

13^2 is equal to 169.

13x13=169    

At the grocery store, Henry bought c pounds of cashews for $4.99 per pound. If he buys 2 pounds, how much will they cost?

Answers

The “c” pounds is a bit off putting if he only bought a pound. 2 pounds of Cashews would cost $9.98

The cost of 2 pounds of cashews will be;

⇒ $9.98

What is Multiplication?

To multiply means to add a number to itself a particular number of times. Multiplication can be viewed as a process of repeated addition.

Given that;

At the grocery store,

Henry bought c pounds of cashews for $4.99 per pound.

Now,

Since, Henry bought c pounds of cashews for $4.99 per pound.

Hence, The cost of 1 pound of cashews = $4.99

So, The cost of 2 pounds of cashews = 2 × $4.99

                                                          = $9.98

Learn more about the multiplication visit:

https://brainly.com/question/10873737

#SPJ5

Can Someone Help me, pls?

Answers

Answer:

6.25 <7

Step-by-step explanation:

Answer:

(1) [tex]x\leq 4[/tex]

(2) [tex]x\geq 4[/tex]

Step-by-step explanation:

[tex]\frac{1}{4}x + 6\leq 7\\(4) \frac{1}{4}x + 6\leq 7(4)\\x+24\leq 28\\ - 24 -24\\x\leq 4[/tex]                [tex]-5x-24\leq -44\\+24 +24\\-5x\leq -20\\\frac{-5x\leq -20}{-5} \\x\geq 4[/tex]

4x - 35 = 234

Solve for 'x'.

Answers

Answer:

X= 67.25

Step-by-step explanation:

4x-35=234

Add 35 to both sides

4x= 269

Divide both sides by 4

X= 67.25

Answer:

x = 67,25

Step-by-step explanation:

Here it is given that,

x is an unknown to know. Since we are intelligent students, we will bring the unknowns to the left limb, and the numbers known in the right limb.

[tex]\:[/tex]

We can write this matematically as,

[tex]\rightarrow 4x - 35 =234[/tex]

Move the constant to the right,

[tex]\rightarrow 4x =234 + 35[/tex]

Add the numbers,

[tex]\rightarrow 4x =269[/tex]

Divide both sides of the equation by 4,

[tex]\rightarrow x =\frac{269}{4}[/tex]

We determine the value of x,

[tex]\rightarrow \underline {x=67,25}[/tex]

Richard saves money by investing 5% of his salary in his individual retirement account. Which of the following best describes how his investment will grow over the next 30 years?

⊝ His investment will most likely be worth very little more than he invested in deposits over the 30 years.


⊝ His investment will most likely be worth exactly what he deposited over the 30 years.


⊝ His investment will most likely be worth a lot more than he invested in deposits over the 30 years.


⊝ His investment will most likely be worth less than he invested in deposits over the 30 years.

Answers

answer:

Answer is c this was difficult

Can y’all put this from greatest to least?
-0.3
3
-0.9
2.91
-1.01

Answers

3, 2.91, -0.3, -0.9, -1.01,

pls do with the working

Answers

Answer:

2) 70,000

Step-by-step explanation:

since they have said estimate meaning frist round off

679 rounds up to 700 and 98 rounds up to 100

700×100

70000

How many cubic feet of water are in the pool?

Answers

Answer:

It depends on the size of the

Step-by-step explanation:

Like the width ,length and all that

give me the size of the pool and will assist

Depends of the size of the pool

Laney bought a cup of coffee and two cookies at her local coffee shop. The coffee cost $1.89. She got $1.23 back as change from the $5.00 bill she gave the cashier. How much did each cookie cost?

Answers

Answer:  each cookie was $0.94

Step-by-step explanation:

5.00 - 1.89 = 3.11

3.11 - 1.23 = 1.88

1.88 divided by 2 = 0.94

Molly's family traveled 5/8 of the distance to her uncle's house on Saturday. They traveled 1/3 of the remaining distance on Sunday. What fraction of the total distance to her uncle's house was traveled on Sunday?

Answers

Answer: [tex]\dfrac{1}{8}[/tex]

Step-by-step explanation:

Given

On Saturday, Molly's family traveled [tex]\frac{5}{8}[/tex] of the total distance

On Sunday, they traveled one-third of the remaining distance.

Suppose the total distance is x

Distance traveled on Saturday is  [tex]\dfrac{5x}{8}[/tex]

Remaining distance is

[tex]x-\dfrac{5x}{8}=\dfrac{3x}{8}[/tex]

On Sunday, they travel

[tex]\dfrac{1}{3}\times \dfrac{3x}{8}=\dfrac{x}{8}[/tex]

fraction of total distance traveled on Sunday is  [tex]\dfrac{1}{8}[/tex]

Tamia uses 9.9 pints of white paint and blue paint to paint her bedroom walls. 1/4 of this amount is white paint, and the rest is blue paint. How many pints of blue paint did she use to paint her bedroom walls?

Answers

Answer:

7.425 pints

Step-by-step explanation:

Given that Tamia uses white and blue paint and 1/4 of the amount is white paint then the fraction of blue paint

= 1 - 1/4

= 3/4

Given that the total quantity of paints is 9.9 pints, the number of blue pints used to paint her bedroom walls

= 3/4 * 9.9

= 29.7/4

= 7.425 pints

1/2 (65+75) = ??????? solve

Answers

Answer:

70

Step-by-step explanation:

First solve the parenthesis 65 + 75= 140

The find half of 140--->70

Answer:

70

Step-by-step explanation:

1 / 2 ( 65 + 75 )

= 1 / 2 ( 140 )

= 140 / 2

= 70

Please help best gets brainlist and 5/5 and show work please

Answers

The answer is 12ft

Volume = (base area)(height)
900 = (75)(x)

So to figure out x you’ll need to divide 900 by 75 to get 12

Hope this helps!

Ana can eat 15 hamburgers in 3 minutes. How many hamburgers can she eat in one minute?
(2 points)

A.Ana can eat 50 hamburgers in one minute.

B.Ana can eat 3 hamburgers in one minute.

C.Ana can eat 5 hamburgers in one minute.

Answers

Answer:

C Ana can eat 5 hamburgers in one minute

Step-by-step explanation:

A is wrong you can tell B if you eat 3 burgers in one minute then you eat another 3 thats only 6 then for the three minutes she eats 9 so C is correct

What is the area?
9 yd
7 yd

Answers

It is 63 yards squared (63yd^2)

Step-by-step explanation:

9 x 7 = 63

Answer:63

Step-by-step explanation:

Area=LxW

One pair of parallel sides proves a quadrilateral to be a parallelogram
True
False

Answers

False i don’t know if this is right
It has to be true because a quadrilateral has 4 sides and parallelogram and a set of parallel sides so I think it’s true

I NEED HELP ASAP PLEASE!! I WILL AWARD BRAINLIEST
NO LINKS PLEASE AND NO WEIRD ANSWERS PLEASE I HAVE A TEST TOMMAROW
DO AS MANY AS YOU WANT
I AWARD BRAINLIEST

Answers

9514 1404 393

Answer:

x ≥ 754 -6my -x

Step-by-step explanation:

You have to realize that the absolute value function will change the sign of its argument only if that argument is negative.

108. |x -7| = x -7 . . . . . true for x-7≥0

  x ≥ 7 . . . . makes the statement true

__

1a. When m < 9, the value 6m is less than 54, so 6m-54 < 0. That means the absolute value function changes the sign of its argument:

  54 -6m . . . . . simplified form for m < 9

__

1b. |y -x| = y -x . . . when y > x, the argument of the absolute value is positive

I need help please help me

Answers

Answer:

1: 11/14 2: 1 5/12 3: 1 1/20 4: 7/10 5: 3/4 6: 1 2/9 7: 1 8: 1/8 9: 3/5 10: 23/24

Matthew wants to purchase a new couch, but he does not have enough money in his bank account to pay for one.

Which of these is not an option for Matthew?


He can save money and write a check once there is enough money in his account.

He can use his debit card to purchase the couch now.

He can use his credit card to purchase the couch now.

He can save money and pay cash once he has enough.

Answers

Answer:

He can use his debit card to purchase the couch now.

Step-by-step explanation:

Please help with question please please

Answers

Answer:

B. 55+70<750

Step-by-step explanation:

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(\_/)
( •_•)
/ >(\_/)
( •_•)
/ >(\_/)
( •_•)
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( •_•)
/ > ​

Answers

Answer:

\(◎o◎)/

♪~(´ε` ) ╮(. ❛ ᴗ ❛.)╭

волаооыововыл? фвдвфдаг.
(\_/)
( •_•)
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enter the decimal equivalent of 11/8

Answers

Answer:

1.375

Step-by-step explanation:

Answer:

1.375 would be the answer because if you turn 3/8 into a decimal it = 0.375 so you add the 1 + 0.375 = 1.375 total

Step-by-step explanation:

The PS4 cost $650 when it first came out. Two years later it was only worth $250. By what percentage did the price decrease?

Answers

Answer:

It decreased by 61.5%

Step-by-step explanation:

Solve the compound inequality and give your answer in interval notation

4x-4 < -36 OR -2x-1 ≤ -7

Answers

Answer:

(-∞, -8) U [3, ∞)

Step-by-step explanation:

4x - 4 < -36   OR -2x -1 ≤ -7

4x < -32         OR  -2x ≤ -6

 x < -8            OR     x ≥ 3    *divide by a negative, switch inequality

      (-∞, -8) U [3, ∞)  

   

The equation of a function changed from y=x+6 to y = -x+6which statement best describes the change in the graph of the function

Answers

Answer:

6+

Step-by-step explanation:

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