Consider this quadratic equation.
2x^2-1 = 3x+4
Which equation correctly applies the quadratic formula?

Consider This Quadratic Equation.2x^2-1 = 3x+4Which Equation Correctly Applies The Quadratic Formula?

Answers

Answer 1

Answer:

D

Step-by-step explanation:

A and C are the same and each should be divided by 2(2)

B should be 4(2)(-5)


Related Questions

How much should you invest at 4.8% compounded continuously to have $5000 in 2 years?

Answers

Answer:

The total compound interest is $502.74 i think

Step-by-step explanation:

24/5

[tex] \frac{24 \times 5000 }{5 \times100 } = \frac{240 \times 5000}{100} = 240 \times 50 = 12000 =12000 + 240 = 12240 [/tex]

pls help me! i’m really confuse on how to tackle this problem (no links)

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Answer:

Step-by-step explanation:

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PLEASE HURRY!!!! Which Graph shows a set of ordered pairs that represent a function?​

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Answer Expert Verified
If a vertical line is drawn then the line will cut at only one point. In first graph for all x values we have different y values so the ordered pairs represent a function.

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Answers

Answer:

conjunction

Step-by-step explanation:

Answer:

Conjunction is correct answer. (I think)

127/4 + 62/3 × 24/6 solve this fraction by BODMAS

Answers

Answer:

The correct solution is "114.39".

Step-by-step explanation:

The given expression is:

⇒ [tex]\frac{127}{4} +\frac{62}{3}\times \frac{24}{6}[/tex]

On solving the above expression with the help of BODMAS rule, we get

Firstly we will have to apply division, we get

=  [tex]31.75+20.66\times 4[/tex]

Now we will have to apply multiplication, we get

=  [tex]31.75+82.64[/tex]

On adding, we get

=  [tex]114.39[/tex]

What is the value of x? Show your work.
Please help

Answers

Answer:

b=5√3

Step-by-step explanation:

Find the last side of the triangle using the Pythagorean theorem.

[tex]a^{2} +b^{2} =c^{2} \\5^{2} +b^{2} =10^{2} \\b^{2} =10^{2}-5^{2}\\\\b=5\sqrt{3}[/tex]

If the m∠1=123° m ∠ 1 = 123 ° and m∠2= (2x+7)° m ∠ 2 = ( 2 x + 7 ) ° , determine the value of x that supports l∥m l ∥ m . Show your work to support your answer.

Answers

Answer:

25

Step-by-step explanation:

Let us assume that m<1 nad m<2 are supplementary. Since the sum of supplementary angles is 180degrees, hence;

<1 + <2= 180

123+2x+7 = 180

130+2x = 180

2x = 180 - 130

2x = 50

x = 50/2

x = 25

Hence the value of x is 25

what is the area if this triangle? enter your answer as a decimal in the box. round only your final answer to the nearest tenth.

Answers

The answer to your question is 38.6

A race horse runs one lap around a lake in 10 minutes.
How long will it take for the horse to run 6 laps around the lake at the same pace?

gaving brainliest out

Answers

Answer:

60 minutes

Step-by-step explanation:

Please Help! WIll Give 25 Points And Brainliest!


Please solve the picture below

Answers

Answer: n × n× 6

length time width both = n and hight is 6 so n × n × 6

Step-by-step explanation:

what’s the answer for this I need help

Answers

Answer:

18 ft^2

Step-by-step explanation:

4 x 4 = 16

4 x 1 = 4

4 / 2 = 2

16 + 2 = 18 ft.^2

Answer:

18 ft²

Step-by-step explanation:

Area of the triangle: [tex]\frac{1}{2}[/tex] (1 × 4) = 2 ft

Area of the square: 4 × 4 = 16 ft

Add up the areas

You get 18 ft²

como serian las dimensiones de un tanque australiano (redondo) que tiene que almacenar 5300 litros de agua?

Answers

Step-by-step explanation:

a thing or situation that is annoying because it is complicated or involves a lot of effort

What is the volume of the figure?

Answers

9514 1404 393

Answer:

  C.  205.3 units²

Step-by-step explanation:

The volume of the figure is the sum of the volumes of ...

  1/2 sphere of radius 2

  cylinder of radius 2 and length 12

  cone of radius 2 and length 9

The formulas for the volumes of a sphere, cylinder, and cone are ...

  V = 4/3πr³ . . . sphere

  V = πr²h . . . . cylinder

  V = 1/3πr²h . . . cone

Then the sum of the volumes is ...

  1/2 sphere + cylinder + cone = (1/2)4/3πr³ +πr²h +1/3πr²h'

     where h is the cylinder height and h' is the cone height

  = πr²(2/3r + h + 1/3h')

  = π(2²)(2/3·2 +12 +1/3·9) = π(4)(16 1/3) = π(65 1/3) ≈ 205.2507

The volume of the figure is about 205.3 units³.

To get to his parents' house, Mateo would have to drive due north 2.1 miles. To get to his grandparents' house, he would have to drive due east 9.6 miles. What is the straight-line distance between the parents' and grandparents' houses? If necessary, round to the nearest tenth.

Answers

Answer:

The straight-line distance between the parents' and grandparents' houses = 9.83 miles.

Step-by-step explanation:

Given - To get to his parents' house, Mateo would have to drive due north 2.1 miles. To get to his grandparents' house, he would have to drive due east 9.6 miles.

To find - What is the straight-line distance between the parents' and grandparents' houses? If necessary, round to the nearest tenth.

Solution -

By the given information, the figure becomes -

From the Graph, we can see that,

The side MP = 2.1

The side MG = 9.6

And By using Pythagoreas Theorem, we get

(PG)² = (MG)² + (MP)²

⇒(PG)² = (9.6)² + (2.1)²

⇒(PG)² = 92.16 + 4.41

⇒(PG)² = 96.57

⇒PG = √96.57

⇒PG = 9.827

∴ we get

The straight-line distance between the parents' and grandparents' houses = 9.83 miles.

In the past, the mean running time for a certain type of flashlight has been 9.2 hours. The manufacturer has introduced a change in the production method and wants to perform a hypothesis test to determine whether the mean running time has increased as a result. They hypotheses are as follows. Explain a type 2 error.

Answers

Answer:

what are the hypotheses?

Step-by-step explanation:

you said the hypotheses are as folows its not there

You flip a coin three times in a row. What is the probability you will get three tails?

Answers

Answer:

50/50

Step-by-step explanation:

Answer:

1/8 because {(T , T , T), (T , T , H),(T , H , T), (T , H , H),(H , H , H),(H , H , T),(H , T , H),(H , T , T)} which has 8 combinations in total so that means 1/8... 8 is denominator because 8 combinations 1 is for each one.

Quantitative reasoning l week 2 discussion What is an example of a situation from your professional or personal life that requires you to compare, understand, and make decisions based on quantitative comparison? Be sure to describe the types of quantitative comparisons you had to make, what decisions you made, and why.

Answers

Answer:b

Step-by-step explanation:

find the volume of the cone

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Answer:

A≈249.02cm

Step-by-step explanation:

HELP ME WITH THIS PLEASE!! #∆# ~∆~

Find the RATIO and the EXACT VALUE of the given Cot B.​

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Answer:

Step-by-step explanation:

take angle B as reference angle

using cot rule

cot B=adjacent/opposite

cot B=5/12

cot B=0.41

B=cot 67.5

B=67.5 degree

for ratio,

cot B=5/12

A blockbuster movie makes about $247,000,000 in the United States during opening weekend. That same weekend another movie opens but only makes about $5,200,000. Question: write each dollar amount in scientific notation PLEASE HELP.

Answers

Answer:

$247,000,000 = 2.47 * 10⁸$5,200,000 = 5.2 * 10⁶

Step-by-step explanation:

Scientific notation allows us to write large numbers in smaller quantity by reducing the number to a figure less than 10 but more than one and then multiplying it by a power of 10 to show its actual size. For instance, 65,000,000 will be written as 6.5 * 10⁷ to represent the total number of digits that it has after the decimal.

$247,000,000:

This would be 2.47 * 10⁸

$5,200,000:

This is 5.2 * 10⁶.

Pls help me with #10 I need a answer and a explanation

Answers

Answer:

C  y/9 = 3

Step-by-step explanation:

An equation needs an equals sign

-14+u=50 I need help

Answers

hope this helps! feel free to clarify

No files!!!
Will give brainliest and please don’t guess

Answers

Answer:

i think its 54. i might be incorrect.

Step-by-step explanation:

Answer:

54º

Step-by-step explanation:

This really cannot be determined because the combined angle is not marked as 90º

let's assume it is 90º

(7x + 12) +(2x + 24) = 90

Combine like terms

9x + 36 = 90

Subtract 36 from both sides

9x = 54

Divide both sides by 9

x = 6

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

7(6) + 12 = 54º

2(6) + 24 = 36º

54º is the larger angle

The identity sin (theta/2) = +- sqrt 1-cos theta/2 is derived from which other identity?

Answers

Answer:

2nd option

Step-by-step explanation:

Using

sin²A = [tex]\frac{1-cos2A}{2}[/tex] ( take the square root of both sides )

sinA = ± [tex]\sqrt{\frac{1-cos2A}{2} }[/tex]

Replace 2A with θ and A with [tex]\frac{0}{2}[/tex] , then

sin ([tex]\frac{0}{2}[/tex] ) = ± [tex]\sqrt{\frac{1-cos20}{2} }[/tex]

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Answers

Answer:

v = 16, u = 15

Step-by-step explanation:

(a)

Substitute the given values into the formula

v = 10 + 2(3) = 10 + 6 = 16

(b)

Substitute the given values into the formula

50 = u + 5(7)

50 = u + 35 ( subtract 35 from both sides )

15 = u

what 3 1/2 times 2 3/4

Answers

Answer: 9/4 or 2.25

Step-by-step explanation:?????

Answer: 9/4
Hope this helps :)
Brainliest plzz

PLEASE HELP I NEED THE ANSWER ASAP ILL GUVE BRAINLIST

Answers

Hope this helps. please mark me brainliest if it did

Answer:B $225

Step-by-step explanation:

$2,700.00 divided by 12 = $225

12 = 1 year

Rosc has $500 in her savings account. She carnis simple interest at 5%
Calculate the interest she carnis after two year.
<
A
B. ss0
CLS250
D. $500
O
A
OB​

Answers

Answer:

50

Step-by-step explanation:

I assume you are asking how much she EARNS after 2 years.

500x.-5=25 interest per year

25 x 2 years = 50 interest for 2 years.


A . What is the slope in the line of the graph ?

Answers

Answer:

0.2x+3

Step-by-step explanation:

The radius of a circle is 19.2 in. Find the circumference to the nearest tenth.

Answers

Answer:

1

Step-by-step explanation:

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