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
umka21 [38]
4 years ago
15

What are the roots of 7x2 + 392 = 0?

Mathematics
2 answers:
kirill115 [55]4 years ago
6 0
X=<span><span>2i</span><span>√14</span></span>,<span><span><span>−2</span>i</span><span>√<span>14 is the answer I think</span></span></span>
DedPeter [7]4 years ago
3 0
The answer is 406 7*2=14 so 14+392=406
You might be interested in
Find a, b∈|R, knowing that the systems {3x+4y=10 and {bx+ay=7
xenn [34]
X=2, y=1, a=1, b=3.
6 0
3 years ago
Read 2 more answers
Need help answering this
AVprozaik [17]
This is cross multiplication.
513.74 times x =513.74x
16.26 times 100=1626
Now there is 1626=513.74x
Do 1626 divided by 513.74 which is 3.16502511
4 0
3 years ago
A) Give two negative addends that the sum is -7.9
yulyashka [42]
-7 and -.9 are two possible addends
5 0
3 years ago
Read 2 more answers
WILL GIVE BRAINLIEST!!!!!!!!!!!
inysia [295]

Answer:

She need to make 98 on the last assignment.

Step-by-step explanation:

Average = 92

x = mark on last assignment

(88 + 97 + 91 + 86 + x) / 5 = 92

To solve for x...multiply 5 on each side

<em>(88 + 97 + 91 + 86 + x) / 5 * 5 = 92*5</em>

<em>This would get of / 5 so you don't need to divide by 5</em>

362 + x = 460

Subtract 362 from each side

x = 98

3 0
3 years ago
Please help I don't understand
Viktor [21]

The value of csc theta from the given diagram is 15/12

<h3>Application of SOH CAH TOA</h3>

The given triangle is right angle triangle. According to trigonometry identity

csc theta = 1/sintheta

Given

  • Opposite = 12
  • Hypotenuse = r

sin theta = 12/r

Determine the value of r

r²  = 9² + 12²

r² = 81 + 144

r² = 225

r = 15

sin theta = 12/15

Determine the value of csc theta

csc theta = 15/12

Hence the value of csc theta from the given diagram is 15/12

Learn more on trig identity here: brainly.com/question/7331447

#SPJ1

5 0
2 years ago
Other questions:
  • –5(–2) = WILL GIVE 20 POINTS
    5·2 answers
  • Help please!!! can you show me how to do this??
    14·1 answer
  • A number is randomly selected from the set S = {1,2,3,4,5,6,7,8,9,10}. use the notation to describe the event E that the number
    5·1 answer
  • 431, 154, 254,244,276,263,389,253,274,205<br><br> What is the median of the set of data?
    12·1 answer
  • Can someone pls help me with this last question
    14·1 answer
  • A carpenter makes wooden chairs.
    12·1 answer
  • Can somebody help me with this?
    14·2 answers
  • 7 ab + 3xy - 5ab - xy<br>Answer​
    10·1 answer
  • -458 x 666 <br> please answer fast my test is timed
    15·1 answer
  • Coach Morton is going on vacation! He drives 7.5 hours at an average speed of 35mph. How many miles did he travel?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!