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
dusya [7]
2 years ago
7

0.25x2 -0.25x - 10.5 = 0​

Mathematics
1 answer:
Tpy6a [65]2 years ago
6 0

x=7 or x=-6

Let's solve your equation step-by-step.

0.25x2−0.25x−10.5=0

For this equation: a=0.25, b=-0.25, c=-10.5

0.25x2+−0.25x+−10.5=0

Step 1: Use quadratic formula with a=0.25, b=-0.25, c=-10.5.

x=

−b±√b2−4ac

2a

x=

−(−0.25)±√(−0.25)2−4(0.25)(−10.5)

2(0.25)

x=

0.25±√10.5625

0.5

x=7,−6

You might be interested in
Points C and D divide the semicircle into three equal parts. Match the angles with their measures.
Tresset [83]
∠CAE = 120°
∠CAD = 60°
∠BAE = 180°
∠DEC = 30°

We start out with the fact that points C and D split the semicircle into 3 sections.  This means that ∠BAC, ∠CAD and ∠DAE are all 60° (180/3 = 60).

Since it forms a straight line, ∠BAE is 180°.

Since it is formed by ∠CAD and ∠DAE, ∠CAE = 60+60 = 120°.

We know that an inscribed angle is 1/2 of the corresponding arc; since CD is 1/3 of the circle, it is 1/3(180) = 60; and this means that ∠DEC = 30°.
7 0
3 years ago
Read 2 more answers
What is the answer to a^6 divided by b^6 in exponential notations?
polet [3.4K]
\frac{a^n}{b^n} = (\frac{a}{b})^n
3 0
2 years ago
36+36+36+36+36 ps i know this but this is way easyer
nika2105 [10]

<em>Answer,</em>

<h3>180</h3>

<em>-Laura :-)</em>

5 0
3 years ago
What is the exact distance from (−4, −2) to (4, 6)? square root of 24. units square root of 88. units square root of 100. units
Mrrafil [7]
Thank you for posting your question here at brainly. The exact distance from (−4, −2) to (4, 6) is the forth one which is <span>square root of 128.  units. I hope the answer will help you. Feel free to ask more question. </span>
3 0
2 years ago
Read 2 more answers
There are 257 people at a dance performance. Orchestra seats cost $12 and balcony seats cost $8. The total receipts were $2,716.
solniwko [45]

x = # of balcony seats

y = # of orchestra seats

We have to create a system of equations to solve this problem

x + y = 256

$8x + $12y = $2,716

We will solve this system of equations by elimination.

Multiply the first equation by -8

-8x - 8y = -2048

8x + 12y = 2716

Let's add the equations together

0 + 4y = 668

Simplify the left side

4y = 668

Divide both sides by 4

y = 167

We can subtract 167 from 257 to get the number of balcony seats.

257 - 167 = 90 balcony seats

There are 167 orchestra seats and 90 balcony seats

5 0
2 years ago
Other questions:
  • 3/4 of a number is 27. What’s the number?
    9·1 answer
  • Candice wrote the four equations below she examined them, without solving them, to determine which equation has a infinite numbe
    9·2 answers
  • In math class, Sam said two different numbers can have the same absolute value. Is he right? Why or ehy not?​
    10·1 answer
  • How many solutions will there be to the equation 16x^2=100
    15·1 answer
  • The diameter of a penny is 19.05 mm and the thickness is 1.52 mm what is the approximate volume of the role of Penny to the near
    15·1 answer
  • Simplify this radical. the square root of 84
    10·2 answers
  • A vehicle is traveling at a rate of 80 kilometers per hour. How many miles per hour is this?
    6·2 answers
  • Emma and Clair are planning to sell lemonade on their
    15·2 answers
  • Please answer all three.​
    5·2 answers
  • 2. Which is NOT in the fact family for<br> 3, 4, and 12?<br> 6. N<br> fo<br> ir
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!