Question

Substitute a=2 and b=-3 and c=-4 to evaluate 2ac/(-2b^2-a)

77

likes
384 views

Answer to a math question Substitute a=2 and b=-3 and c=-4 to evaluate 2ac/(-2b^2-a)

Expert avatar
Esmeralda
4.7
101 Answers
$\frac{ 2ac }{ -2{b}^{2}-a }$
$\frac{ 2ac }{ -\left( 2{b}^{2}+a \right) }$
$-\frac{ 2ac }{ 2{b}^{2}+a }$
$-\frac{ 2 \times 2 \times \left( -4 \right) }{ 2 \times {\left( -3 \right)}^{2}+2 }$
$-\frac{ 2 \times 2 \times \left( -4 \right) }{ 2 \times {3}^{2}+2 }$
$-\frac{ 2 \times 2 \times \left( -4 \right) }{ 2 \times 9+2 }$
$-\frac{ 2 \times 2 \times \left( -4 \right) }{ 18+2 }$
$-\frac{ 2 \times 2 \times \left( -4 \right) }{ 20 }$
$\frac{ 2 \times 2 \times 4 }{ 20 }$
$\frac{ 2 \times 4 }{ 10 }$
$\begin{align*}&\frac{ 4 }{ 5 } \\&0.8\end{align*}$

Frequently asked questions (FAQs)
What is the derivative of f(x) = 3x^3 + 2x^2 - 5x + 7?
+
What is the result of multiplying vector A, (3i + 2j), with vector B, (-5i + 4j)?
+
What is the equation of the ellipse with a center at (2, -3), major axis length of 10, and minor axis length of 6?
+
New questions in Mathematics
A sample is chosen from a population with y = 46, and a treatment is then administered to the sample. After treatment, the sample mean is M = 47 with a sample variance of s2 = 16. Based on this information, what is the value of Cohen's d?
A=m/2-t isolate t
2(2+2x)=12
I want to divide R$ 2200.00 between Antônio, Beto and Cássia, so that Beto receives half from Antônio and Cássia receives a third of Beto. Under these conditions, how much more will Beto receive than Cássia?
X^2 = 25
7273736363-8
The function g:Q→Q is a ring homomorphism such that g(3)=3 and g(5)=5. What are the values of g(8) and g(9)?
(2x+5)^3+(x-3)(x+3)
The equation of the circle that passes through (5,3) and is tangent to the abscissa axis at x=2 is a.(x-2)^2 (y 3)^2 = 9 b.(x-2)^2 (y-3)^2 = 9 c.(x-2)^2 (y-3)^2 = 4 d.(x-2)^2 (y 1)^2 = 4 e.(x-2)^2 (y-1)^2 = 4
Pedro had 80% of the amount needed to buy a game. Of this amount, you spent 15% on a watch and therefore, you will need to add another R$640.00 to purchase this game. Is the value of the game?
You mix a powder drug with a 4.5ml of liquid to get a reconstituted solution with a concentration of 250mg/ml. The prescribers order is for 500 mg . You will give what ml of the reconstituted solution
Find all real numbers x that satisfy the equation \sqrt{x^2-2}=\sqrt{3-x}
The price per night of a suite at the Baglioni Hotel in Venice is 1896 euros, VAT included. The VAT in Italy is 25%. The hotel gets a return of 10% out of the price VAT included. a) What is the amount of VAT paid by the hotel for one
3 A tree is planted when it is 1.2 m tall. Every year its growth is 3/8 of its previous year's height. Find how tall the tree will grow.
The question is using rule 72 determine Kari wants to save 10,000 for a down payment on a house. Illustrate the difference in years it will take her to double her current 5,000 savings based on 6%, 12% and 18% interest rate .
When Sara was 15 years old, an uncle left her as inheritanceà a sum of 10,000 euros which he invested in a bank that applies the interest rate of 2,5% annual. Today Sara is 18 years and wants to buy a'car, how much she can ò withdraw from the bank?
effectiveness of fiscal and monetary policy under closed and open economies
Given the word WEIRD, determine a four-letter offspring that can be formed with the letters of the word written above
A 20,000 kg school bus is moving at 30 km per hour on a straight road. At that moment, it applies the brakes until it comes to a complete stop after 15 seconds. Calculate the acceleration and the force acting on the body.
A grain silo has a height of 8.8m with a 11.4m diameter. If it is filled 0.5% of it's volume, how much grain (m^3) is stored in the silo? (0 decimal places)