ajkoo33 ajkoo33

20-03-2019
Mathematics

contestada

when 9x^2-100 is factored,it is equivalent to (3x-b)(3x+b). what is a value for b? With work.

Respuesta :

MrsStrong MrsStrong

28-03-2019

Answer:

b = 10

Step-by-step explanation:

The expression 9x² - 100 is a difference of squares. It factors into the form (3x -b)(3x+b). Here b is the square root of 100. The square root is 10.

The factors are (3x -10)(3x+10).

Answer Link

Otras preguntas

What is the y-intercept? -10x -15y = 60

One side of each pentagon lies along a side of the octagon. AB is a side of the octagon. AC is a side of one of the pentagons. BC is a side of the other penta

1. What is the frame of reference for a plane moving at 500 km/h? O A the clouds O B the other planes in the sky O C the ground O d the passengers

sorry if its blurry Need help with this almost done

Can you guys help me out on this? I'm still learning sign, cosign, and tangent :)

Words are classified as parts of speech according to their____

which mineral has a metallic luster, does not react with hydrochloric acid, and has a hardness of 6?A. Gold B. SulfurC. Pyrite D. Calcite

Someone deleted my math question :(... here are some points haha

A and B are two cylinders that are mathematically similar. The area of the cross-section of cylinder A is 18 cm? 18 cm? B 10 cm А 5 cm Work out the volume of cy

which answer is it? please HELP