Answer:
The equation has two zeros because the discriminant is greater than 0.
Step-by-step explanation:
3x^2 – 7x + 4
a=3 b = -7 c=4
The discriminant is
b^2 -4ac
(-7)^2 - 4(3)(4)
49 - 48
1
Since the discriminant is greater than zero, there are two real solutions
Answer:
For ![\[20\]](https://tex.z-dn.net/?f=%5C%5B20%5C%5D)
minutes Elena add water to correct the error.
Step-by-step explanation:
The capacity of the washing machine is gallons.
She uses gram soap for ![\[10\]](https://tex.z-dn.net/?f=%5C%5B10%5C%5D)
gallon of water
Her son by mistake dissolved ![\[60\]](https://tex.z-dn.net/?f=%5C%5B60%5C%5D)
grams of soap to gallons of water.
![\[60\]-](https://tex.z-dn.net/?f=%5C%5B60%5C%5D-)
gram soap is right for ![\[30\]](https://tex.z-dn.net/?f=%5C%5B30%5C%5D)
gallons of water, thus gallon of water must be added more.
She pore water ![\[2\]](https://tex.z-dn.net/?f=%5C%5B2%5C%5D)
gallons per minute thus, gallons of water will takeminutes.
Learn more about equations : brainly.com/question/20727602?referrer=searchResults
Use compound interest formula F=P(1+i)^n twice, one for each deposit and sum the two results.
For the P=$40,000 deposit,
i=10%/2=5% (semi-annual)
number of periods (6 months), n = 6*2 = 12
Future value (at end of year 6),
F = P(1+i)^n = 40,000(1+0.05)^12 = $71834.253
For the P=20000, deposited at the START of the fourth year, which is the same as the end of the third year.
i=5% (semi-annual
n=2*(6-3), n = 6
Future value (at end of year 6)
F=P(1+i)^n = 20000(1+0.05)^6 = 26801.913
Total amount after 6 years
= 71834.253 + 26801.913
=98636.17 (to the nearest cent.)
Abstraction in mathematics is the process of extracting the underlying structures, patterns or properties of a mathematical concept, removing any dependence on real world objects with which it might originally have been connected, and generalizing it so that it has wider applications or matching among other abstract
