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lina2011 [118]
3 years ago
11

Solve the following x^4-3x^2-4=0

Mathematics
1 answer:
statuscvo [17]3 years ago
6 0
<span>x^4-3x^2-4=0 has four solutions 2 are real and 2 are complex.

Real solutions 2, -2
Complex solution -i,i 
</span><span />
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I need help with 12-14 please
Alja [10]
I can help the answer is -2
8 0
3 years ago
Standard automobile license plates in a country display 2 digits, followed by 2 letters, followed by 3 digits. How many differen
fomenos

Answer:

There are 1,892,800,000 different standard plates that are possible in this system

Step-by-step explanation:

The plates follow the following format:

D - D - L - L - L - D - D - D

For each digit there are 10 possible outcomes, and for each letter there are 26 possible outcomes.

So, there are

10*10*26*26*28*10*10*10 = 1,892,800,000

different standard plates that are possible in this system

3 0
3 years ago
Find both unit rates<br><br><br>An object traveled 691.12 feet in 21.2 seconds.
s344n2d4d5 [400]
B. <span> 32.6 ft/s and approximately 0.03 s/ft
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3 0
3 years ago
Find the measure of FEG 25,65,80,90
lozanna [386]

Answer:

First, you have to set 5x equal to (3x+10). They are vertical angles and therefore congruent.

5x = 3x+10              The variable should only be on one side of the equation,

5x - 3x = 10             Therefore subtract 3x from both sides

2x = 10                     Divide by 2 on both sides.

x = 5

We're not done yet, since we've found the x-value we have to solve for ∠GEC.

∠GEC = 3x+10 = 3(5)+10 = 15+10 = 25°

∠GEC and ∠FEG form a right angle. This means that the sum of the two angles is 90°

90° = 25° + x            In this case, we're using "x" to solve for ∠FEG

90-25 = x                  We subtract 25 from both sides to get the variable by itself.

65° = x

∠FEG = 65°            The Answer is B

Step-by-step explanation:

7 0
3 years ago
Need help pleaze thxs​
timofeeve [1]

The answer is A, good luck!

3 0
3 years ago
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