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
natulia [17]
3 years ago
11

Identify the number and type of solutions for the equation 3x2 − 5x + 19 = 0.

Mathematics
1 answer:
iogann1982 [59]3 years ago
8 0

Answer:

x=\frac{5\±i√203}{6}(the lanky a is a square root)

Step-by-step explanation:

I suppose the equation is 3x^2-5x+19=0?

A good old quadratic equation! Back to the good old days when we are memorizing the formula...

x=\frac{-b\±√(b^2-4ac)}{2a}

(Yes that little lanky a is a square root)

x=\frac{-(-5)\±√((-5)^2-4(3)(19))}{2(3)} \\x=\frac{5\±√(25-228)}{6}\\x=\frac{5\±√-203}{6} \\x=\frac{5\±i√203}{6}

Since the discriminant is negative, there are no real solutions, but instead, we have complex solutions shown above.

You might be interested in
Detailed answers appreciated: (7a -4) (2a -5)
igor_vitrenko [27]
Expand the expression?

Perform indicated multiplication:

7a(2a)+7a(-5)-4(2a)-4(-5)

14a^2-35a-8a+20  combine like terms, ie (-35a-8a)=-43a

14a^2-43a+20
5 0
3 years ago
Read 2 more answers
The prism shown has a volume of 798 cm3.
a_sh-v [17]

Answer:

10.5 cm

Step-by-step explanation:

Volume = base area × height

798 = (9.5 × 8) × height

height = 798/76

height = 10.5

4 0
3 years ago
in a 30°-60°-90° triangle, the ( blank) is the (blank) the length of the ( blank) while the longer leg is ( blank) times the len
levacccp [35]

Answer:

16

Step-by-step explanation:

4 0
3 years ago
Best explained and correct answer gets brainliest.
ELEN [110]

3275 = x * (1+0.075/12)^(12*10)

3275 = x * (2.11206463)

x= 3275/2.11206463 = 1550.6154

x=1550.62

she needs to deposit $1,550.62

8 0
3 years ago
A cat had a litter of 5 kittens. If each sex is equally likely, what is the probability that 3 or less were female kittens?
ASHA 777 [7]

Answer:

0.8125

Step-by-step explanation:

In this question, we are tasked with calculating the probability that 3 or less of her kittens were female.

Since each bsex is of likely probability, the probability of a male kitten = probability of a female kitten = 0.5

Now to calculate for 3 or less female kitten we are calcualting P(f) ≤ 3

In each case, we use the Bernoulli approximation

P(f) ≤ 3 = 5C3 m^{2} f^{3} + 5C2 m^{2}  f^{3} + 5C1 m^{4}  f + 5C0 m^{5}  f^{0}

Where m is the probability of a male kitten and f is the probability of having a female kitten with both values = 0.5

P(f) ≤ 3 =(0.3125) + (0.3125) + (0.15625) + (0.03125) = 0.8125

8 0
3 years ago
Other questions:
  • A bag of numbered lottery balls contains the numbers 1 through 40. What is the probability that a randomly selected ball will be
    12·2 answers
  • What y=Mx+b <br>A, a slope formula<br>B, math<br>C, y-intercept
    6·2 answers
  • 1) Between which two integers does the square root of 48 lie? *
    9·1 answer
  • In a football drill Ron is standing
    5·1 answer
  • Find the sum of 19x3+1(14x+4x3)
    10·1 answer
  • Simplify the expression.<br> 3\5x + 19 - 3/20x -7
    11·1 answer
  • Sam will rent a car for the weekend. He can choose one of two plans. The first plan has an initial fee of $41.98 and costs an ad
    10·1 answer
  • 5/9 of a number is 65 find the number
    13·1 answer
  • Find the measure of angle b.
    6·1 answer
  • The linear equation y=mx+b contains the point (-5, 5) and is perpendicular to the line 5x+25y=11.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!