sweetnhy sweetnhy

18-07-2017
Mathematics

contestada

if the value of b is 7 , then what is the value of the expression -3b2 + 25 = ?

Respuesta :

garydesir1 garydesir1

18-07-2017

Hello there!

Evaluate
-3b² + 25
For b = 7
-3(7)² + 25
-3(49) + 25
-147 + 25
= -122

I hope that helps!

Answer Link

Otras preguntas

Simplify the fraction 10/12 by dividing the numerator and the denominator by 2

A beam of light is traveling through a medium at 200,000 km/s. It enters a different medium and speeds up to almost 250,000 km/s. Finally, it enters a third med

if a person walked 2.4 miles in 1.5 hours how far can he walk in 3 hours

Determine the number of unpaired electrons in Ca?

The density of aluminum is 2.70 g/cm3. What volume would 98.86 grams of aluminum occupy?

A sample of Al2O3 decomposed to pure aluminum and oxygen. After decomposition, 29.0 moles of Al were recovered. How many moles of Al2O3 were decomposed?

Staples sells cds ($2.00) and boxes of computer paper ($3). If total sales were $1,560 and customers bought 5 times as many cds as boxes of computer paper, how

Imagine you are in a laboratory. You are exploring the following reaction: A + B → C When the product C is created, bubbles form. When 10mL of A is added to 10m

The computer catalog provides the number of pages of a book. A. True B. False

which two colonies lay between Georgia and Cornwallis’s final destination??