1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
galben [10]
2 years ago
5

Solve this step by step using the quadratic function y=x^2 +x+2

Mathematics
1 answer:
Ne4ueva [31]2 years ago
3 0

Answer:

x=<u>+</u>\frac{\sqrt{4y-7}-1 }{2}

Step-by-step explanation:

Quadratic function =( -b<u>+</u>\sqrt{b^2+4ac}  )/2a

x^2+x+2-y=0

x=-1<u>+</u>\sqrt{1^2-4(2-y)} /2

x=-1<u>+</u>\sqrt{4y-7} /2

x=<u>+</u> \frac{\sqrt{4y-7}-1 }{2}

Pretty sure this is right. Would appreciate a brainliest

You might be interested in
A definition for the therm of weight
exis [7]
A body's relative mass or the quantity of matter contained by it, giving rise to a downward force; the heaviness of a person or thing.
6 0
3 years ago
Read 2 more answers
Please help! Correct answer only!
gulaghasi [49]

Answer:

<em>Probability ≈ 0.1071</em>

Step-by-step explanation:

Consider steps below;

Total Possible Outcomes - 8C5,\\\\8! / 5! ( 8 - 5 )!,\\1 * 2 * 3 * 4 * 5 * 6 * 7 * 8 / ( 1 * 2 * 3 * 4 * 5 )( 1 * 2 * 3 ),\\\\6 * 7 * 8 / 6 = Combinations - 56,\\\\

Number Of Outcomes - 6C5,\\\\6! / 5! ( 6 - 5 )!,\\1 * 2 * 3 * 4 * 5 * 6 / ( 1 * 2 * 3 * 4 * 5 ) ( 1 ),\\720 / 120 * 1,\\\\Outcomes - 6

Conclusion ; Solution - 6 / 56 = ( About ) 0.1071\\Hope That Helps!

<em>Solution; Probability ≈ 0.1071</em>

5 0
2 years ago
15%of 250 <br> Pls give and step by step
pychu [463]

Answer:

Step-by-step explanation:

15% = 15/100 = .15

250 x .15 = 37.5

5 0
3 years ago
Read 2 more answers
AB is a tangent. Find the length of the radius, r.
Lena [83]

Answer: 8

Step-by-step explanation:

Since AB is a tangent, angle CAB is a right angle. Thus, by the Pythagorean theorem, r=\sqrt{17^{2}-15^{2}}=8

4 0
1 year ago
It will take Adam four hours to drive to Disney Park, and 2.5 times less time if driving 45 mph faster. What is the distance Ada
Travka [436]

Answer:

120 miles

Step-by-step explanation:

we know that

The speed is equal to the distance divided by the time

Let

s------> the speed in mph

d-----> the distance in miles

t -----> the time in hours

s=d/t

solve for the distance

d=s*t

<em>It will take Adam four hours to drive to Disney Park</em>

s=x mph

t=4 h

substitute

d=4x -----> equation A

<em>It will take Adam 2.5 times less time if driving 45 mph faster</em>

so

s=(x+45) mph

t=4/2.5=1.6 h

substitute

d=1.6(x+45) -----> equation B

equate equation A and equation B

4x=1.6(x+45)

Solve for x

4x=1.6x+72

4x-1.6x=72

2.4x=72

x=30 mph

Find the distance d

d=4x -----> d=4(30)=120 miles

3 0
3 years ago
Read 2 more answers
Other questions:
  • Find the value of f(2) for the function f(x)=8*x-17
    6·1 answer
  • I need help with these
    11·1 answer
  • a teacher is shouting she shuts the door she shuts the windows but forgets to shut something what is it? i know but do you know
    13·1 answer
  • Need some help! Please
    7·1 answer
  • If α and β are the zeroes of the polynomial ax^2 + bx + c, find the value of α^2 + β^2
    15·1 answer
  • The baseball team is selling snacks at a game for a fundraiser. They purchased pretzels, chips, and candy bars to sell. They spe
    6·1 answer
  • Whats the percentage?
    15·2 answers
  • What is the area of this parallelogram? A=31 ½Ft²<br> A = 35 ft²<br>A = 47½ ft²<br> A = 66 ½ ft²​
    11·1 answer
  • A group of friends go out for a meal and the meal costs £148.
    11·1 answer
  • A Community theater sold 63 tickets to the afternon fora total of 444 birr, an adult ticket Cost 8 birr achild ticket cost 4 bir
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!