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Degger [83]
3 years ago
13

What are the values of a, b, and c in the quadratic equation –2x2 + 4x – 3 = 0?

Mathematics
2 answers:
IgorC [24]3 years ago
4 0

Answer:

The value of a, b and c are -2, 4 and -3 respectively.

Step-by-step explanation:

The given quadratic equation is

-2x^2+4x-3=0                 .... (1)

The general form of a quadratic equation is

ax^2+bx+c=0                 .... (2)

On comparing (1) and (2), we get

a=-2,b=4,c=-3

Therefore the value of a, b and c are -2, 4 and -3 respectively.

Leya [2.2K]3 years ago
3 0
<span>the quadratic equation is ax^2 +bx+c=0
So a will be -2, b = 4, c =-3</span>
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What is the converse of t &gt; r
Anettt [7]

The converse of  t > r is r > t

<h3>What is a converse statement?</h3>

A converse statement is determined when both the hypothesis and conclusion are reversed or interchanged.

In this condition, the hypothesis is written as the conclusion and the conclusion is changed to be the hypothesis.

If a conditional statement is written as: x → y

The converse is then written as y → x

Where;

  • x is the hypothesis
  • y is the conclusion

Given the expression as;

t > r

We can see that;

  • The variable 't' is the hypothesis
  • The variable 'r' is the conclusion

The converse will be;

r > t

Hence, the converse is r > t

Learn more about converse statement here:

brainly.com/question/3965750

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6 0
1 year ago
Write an expression using all six trigonometric functions such that the value of the expression is 3.
iren2701 [21]
The trig functions that you need to deal with are
Sine
Cosine
Tangent
Cotangent
Cosecant
Secant

You need to write a single expression using all six trig functions such that the value of the expression equals 3.

To make this as simple as possible, the first thing I would do is look up the values of these functions and identify which ones are equal to either 1/2 or 1.0 or 2.0

sin(30º) = 1/2
sin(90º) = 1
cos(0º) = 1
cos(60º) = 1/2
tan(45º) = 1
csc(30º) = 2
csc(90º) = 1
sec(0º) = 1
sec(60º) = 2
cot(45º) = 1

If we only had to use three trig functions (sin, cos, tan), one possibility is
tan(45º) + cos(0º)/sin(30º) = 1 + 1/(1/2) = 1 + 2 = 3
noticed how I chose one each of the required functions and the operations so that the result = 3.

Now it is up to you to figure out how to combine all six trig functions so that they equal zero. There are many possibilities for you to choose from..
6 0
2 years ago
Paul has $30,000 to invest. His intent is to earn 15% interest on his investment. He can invest part of his money at 8% interest
jeka94

Answer:

Amount invested at 8% is $9000 and amount invested at 18% is $21000.

Step-by-step explanation:

Let amount invested at 8% be x.

Let amount invested at 18% be y.

We get the 1st equation as:

x+y=30000       ........(1)

We get the second equation as:

0.08x+0.18(y)=0.15\times30000

=> 0.08x+0.18y=4500

or getting rid of the decimal by multiplying by 100 on both sides.

8x+18y=450000          ........(2)

Multiplying (1) by 8 and subtracting from (2) we get

10y=210000  

So, y = 21000

And x+21000=30000

x = 30000-21000

So, x = 9000

Therefore, amount invested at 8% is $9000 and amount invested at 18% is $21000.

6 0
3 years ago
What is the value of b in the equation below?
grin007 [14]

Answer:

I think it is -10

Step-by-step explanation:

Using a^m*a^n=a^(m+n)

b=(m+n)

In this question,

m= -8 and n= -2

so b= (m+n)=(-8+-2) = -10

6 0
3 years ago
How do you find the answer
kati45 [8]
The answer is (2, 0).
4 0
3 years ago
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