atwhitlock7721 atwhitlock7721

03-10-2018
Mathematics

contestada

Find the value of 2a squared + 5b squared when a = -6 and b =2

Respuesta :

jimrgrant1 jimrgrant1

03-10-2018

92

given 2a² + 5b²

substitute given values for a and b into the expression

2(- 6)² + 5(2)² = (2 × 36 ) + (5 × 4) = 72 + 20 = 92

Answer Link

Otras preguntas

1) The population of elephants (y) on a game reserve after (t) years follows the following equation: y = 300(1.02)t Is the population increasing or decreasing

When did the French citizens in Quebec gain independence from Canada?

Philippe wants to measure how much water his potted tomato plants lose through transpiration each day. To do this, he sets up a series of experiments to capture

What does the expression oh beans mean?

Tammy says the quotient of 793 ÷ 6 is 132 r1. Use multiplication to check Tammy's answer. × 6 + 1 = Tammy's answer is .

Jared bought one share of stock for $225. A. He sold the stock for a profit of $55. what was the selling price of the stock? B. The price of the stock dropped

Let f(x)=x^2+x−42 . Enter the x-intercepts of the quadratic function in the boxes. x = and x =

Simplify the expression 5xy^2(3+ 2x) - 6xy(4xy + 3y)

Add or subtract.(m? - m - 3) + (m-4)A. m^2 +m-1B. m^2+ 2m - 7C. m^2-7D. m^2 -1

A particular electrical signal being transmitted to a neuron is sufficient to generate an action potential. If the magnitude of the incoming electrical signal i