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
nevsk [136]
3 years ago
9

3x^2 - 4x + 7 (Find the domain of the expression)

Mathematics
1 answer:
Jobisdone [24]3 years ago
3 0
<span><span><span><span>x1</span> </span><span>= <span><span>−(−4) − √<span> (−4)2 − 4×3×7 </span> </span>2×3</span> </span><span>= <span><span>4 − 2 × √ 17 i </span>6</span> </span><span>≈ 0.666667 − 1.374369i</span></span><span><span><span>x2</span> </span><span>= <span><span>−(−4) + √<span> (−4)2 − 4×3×7 </span> </span>2×3</span> </span><span>= <span><span>4 + 2 × √ 17 i </span>6</span> </span><span>≈ <span>0.666667 + 1.374369i</span></span></span></span>
You might be interested in
Write a conditional that multiplies the value of the variable pay by one-and-a-half if the value of the boolean variable workedo
guajiro [1.7K]
The answer to your question is that you are not correct you have to read between the lines
6 0
4 years ago
can someone help me to solve these two problems pls I will really appreciate I will mark you the brainly!
zavuch27 [327]

Answer:

12. 524 in³ (3 sig. fig.)   13. 2000 cm³ (3 sig. fig.)

Step-by-step explanation:

12. Volume of sphere = (4/3)πr³

= 500/3π

= 524 in³ (3 sig. fig.)

13. Volume of cylinder = πr²h

= 7²π(13)

= 637π

= 2000 cm³ (3 sig. fig.)

4 0
3 years ago
A study was conducted on dolphins born in 2016 in a certain region of the ocean. Ten of the 250 dolphins studied were born with
amm1812

Answer:

25,000

Step-by-step explanation:

i think because 10 times 100 gets 1000 so now you have to do 250 times 100 to get 25,000

4 0
3 years ago
Read 2 more answers
NEED HELP RN!!! PLS ☹️
Korolek [52]

Answer:

show the screen clearer !

Step-by-step explanation:

5 0
2 years ago
It costs Edgar $2.65 one way to ride the bus to work. He uses the bus to go to and from work fourdays per week. He buys a bottle
Viktor [21]

Answer:

Ambitious

In this case, you have to multiply the price of the one way journey ($2.65) by 8 (as this is the number of individual journeys made in one week. It's gives you $21.20. As he has 1 bottle of water at $1.45 each day for four days, you have to multiply these together, giving you $5.80 You then have to add together $21.20 and $5.80, giving you $27. Therefore, it costs Edgar $27 a week

Step-by-step explanation:


8 0
3 years ago
Read 2 more answers
Other questions:
  • HELP HELP HELP HELP HELP FAST PLEASE HELP
    14·2 answers
  • Please help me understand this, i've been stuck on this question
    15·1 answer
  • What is the common denominator for 3/5+3/4
    11·2 answers
  • Help please on math plz
    11·1 answer
  • What is the product (-6a^3b+2ab^2)(5a^2-2ab^2-b)
    6·2 answers
  • What is the event space for rolling a number greater than 1 with one die
    6·2 answers
  • Sanjay has 2 1/3 cups of pretzels, Raul has 1 5/6 cups of chocolate pieces, and Sonny has 3 7/9 cups of granola. If they
    9·1 answer
  • Find the value of x<br> a. 65<br> b. 48.7<br> c. 77<br> d. 39.3
    10·1 answer
  • Y-intercept = 5<br> Slope = 3
    11·2 answers
  • The surface area of a piece of paper is 345 cm2. Use the fact that 10 mm = 1 cm to convert this area to mm2
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!