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
Harrizon [31]
3 years ago
8

Solve –2x2 +3x – 9 = 0. (solving quadratic equation with complex numbers)..

Mathematics
1 answer:
goldfiish [28.3K]3 years ago
4 0
-3+-sqrt9-56/-4
-3+-sqrt-47/-4
-3+-sqrt47i/-4

You might be interested in
Can you please help me out?
larisa86 [58]

Answer:

- 3.5229

Step-by-step explanation:

Using the rules of logarithms

logx + logy = log(xy)

log_{10} 10^{n} = n

Given

log_{10} 3 ≈ 0.4771, then

log_{10} 0.0003

= log_{10} (3 × 10^{-4} )

= log_{10} 3 + log_{10} 10^{-4}

≈ 0.4771 - 4

≈ - 3.5229 ( to 4 dec. places )

8 0
3 years ago
There are 25 students performing in the holiday concert. Of the students, 11 are boys.
tia_tia [17]

Answer:

0.44 (44%) of the students are boys.

Step-by-step explanation:

Hope this helps!

✧◝(⁰▿⁰)◜✧

3 0
3 years ago
Find the missing fraction.<br> ___ + 1/16 = 3/2 <br><br> No links!
DochEvi [55]

Answer:

23/16

Step-by-step explanation:

3*8/2*8=24/16-1/16=23/16

7 0
3 years ago
Which function is nonlinear?
lutik1710 [3]

Answer:

(-1,5), (0,4) ,(1,3) ,(3,1) is linear so dont pick it

(-4,-7), (-2,-6), (2,-4), (4,-3) is linear

you know what I'll just say it wait a minute is there like a other option

Step-by-step explanation:

U can tell by graphing them out yourself and if u see a straight line then it linear, and if you see a curved loop then it's non- linear. but I'll do it :)

4 0
3 years ago
In a school there are 542 girls and boys. how many pupils are there in that school?
DaniilM [7]

Answer:

There are 1084 pupils in that school.

Step-by-step explanation:

If there are 542 girls and boys then you would have to double 542 to get the total number of people. So, there are 1084 people in that school.

Hope this helps!

6 0
2 years ago
Read 2 more answers
Other questions:
  • (Picture Provided) A line passes through the points
    11·2 answers
  • Hcf and lcm 112 and 46 using prime factorisation
    6·2 answers
  • He are some maths question solve 2(x+3)=x-4
    7·2 answers
  • There are 36 people in a fitness studio. What fraction represents the number of people running? • 3 8 of the people lifted weigh
    15·1 answer
  • 13x – 51<br> 10x - 33<br> find bc
    15·1 answer
  • Find the constant of variation k for the direct variation 3x+5y=0
    11·1 answer
  • Please help me! ASAP! WILL GIVE BRAINLIEST!!!
    11·1 answer
  • What is the inverse operation that will isolate the variable X-4=-2
    12·1 answer
  • Homework Progress<br>107 / 285<br>A sequence has three terms.<br>Its term-to-term rule is<br>multiply by 6 and then add 13<br>a)
    8·1 answer
  • Yosef typed a 36 word paragraph in 2/3 minute. What is his typing speed, in words per minute?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!