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
Luda [366]
3 years ago
5

Solve the quadratic equation 27y^2-314y+699​

Mathematics
1 answer:
Burka [1]3 years ago
3 0

Answer:

3; \frac{233}{27}.

Step-by-step explanation:

1) to calculate the discriminant of the given equation:

D=(314/2)²-699*27=5776.

2) to calculate the roots of the given equation:

\left[\begin{array}{ccc}y=\frac{157-\sqrt{5776} }{27} \\ y=\frac{157+\sqrt{5776} }{27} \end{array}

\ \left[\begin{array}{ccc}y=3\\y=\frac{233}{27} \end{array}

You might be interested in
Answer these please!!!!!
garik1379 [7]
4.
-3/4 - 2/3 ÷ (-4/5)
= -3/4 - [2/3 ÷ (-4/5)]
{switch the numerator and denominator when changing from ÷ to ×, or × to ÷}
= -3/4 - [2/3 × (-5/4)]
{numerator × numerator, and denominator × denominator}
= -3/4 - [-10/12]
= -3/4 + 10/12
= -9/12 + 10/12
= 1/12

5.
-2 2/5 + (-2 4/5) × 4/7
= -2 2/5 - (2 4/5 × 4/7)
= -12/5 - (14/5 × 4/7)
= -12/5 - (56/35)
{Simplify fraction to make denominators same}
= -12/5 - (8/5)
= -20/5
= -4/1
= -4

6.
-(-3/5) - 1 3/7 ÷ (-5/14)
{Negative signs cancelled out, fractions compounded}
= 3/5 - 10/7 ÷ (-5/14)
{Switch numerator and denominator when switch from ÷ to ×}
= 3/5 - [10/7 × (-14/5)]
= 3/5 - [-140/35]
= 3/5 + 20/5
= 23/5
{Simplify fraction}
= 4 3/5

Hope this helps! :) You may ask me for more help if you need
3 0
3 years ago
Item 10 Question 1 A dentist's office and parking lot are on a rectangular piece of land. The area (in square meters) of land ca
zavuch27 [327]

Answer:

This question is incomplete.  Please add more detail and clarify the question.

Step-by-step explanation:


6 0
3 years ago
HEYYYYYYYYYYYYYYY
zepelin [54]

Answer:

y = -3 (you have to draw an horizontal line that passes for the point (0,-3)

Step-by-step explanation:

We have to find the middle points of the segments that unite the corrispettive points.

We are lucky because the images of the points have the same x coordinate of the original ones, so we have just to find the y coordinates.

Segment CC‘

(y1 + y2)/2 = (-1-5)/2 = -3

Segment AA’

(0-6)/2 = -3

Segmet BB’

(1-7)/2 = -3

Segment DD’

(1-7)/2 = -3

In conclusion we can say that the points of the reflection have all the y coordinate equal to -3.

the line is horizontal and its equation is : y = -3

5 0
3 years ago
The diameter of the circle above is 14 cm. What is the circumference of the circle? Use a = 3.14.
77julia77 [94]

Answer:

43.96 or C

Step-by-step explanation:

c=(pi)(d)

pi --> 3.14

d --> diameter (in your case 14.)

c=3.14*14

c= 43.96

Both formulas work, 2(pi)r and (pi)(d)

But, if they give you the diameter then use (pi)(d).

If they give you the radius then use 2(pi)r

6 0
3 years ago
What is the answer to 29.99+92.37
RSB [31]

Answer:

122.36

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Other questions:
  • Find the sum: 5-(5/3) (5/9)-(5/27) (5/81)-......
    7·1 answer
  • Translate the following algebraic expression 2 + y
    8·1 answer
  • Victor malaba has a net income of $1,240 per month he spent $150 on food $244 on a car payment 300 on rent and 50 on savings wha
    10·1 answer
  •  evaluate the expression for r=-10 -54-r=
    14·1 answer
  • How might we use addition equations in real life?
    6·1 answer
  • Determine the zeros of the function f(x) = 332 – 7x + 1.
    8·1 answer
  • Find the volume of the composite solid.
    15·2 answers
  • For the expression 6 - y + 3, determine the coefficient for the variable
    15·1 answer
  • Jack earns a commission on his sales at Apple. He earns 3.5% on all sales.
    5·1 answer
  • \What is the value of a $500 investment with a 9% interest rate that is compounded monthly for 3 years?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!