teja7ckwithbrengton teja7ckwithbrengton

03-01-2016
Mathematics

contestada

When 9x2 - 100 is factored, it is equivalent to (3x - b)(3x + b).
What is a value for b?
(1) 50 (3) 3
(2) 10 (4) 100

Respuesta :

Imabeatsgirl Imabeatsgirl

03-01-2016

(9 x 2 = 18) (18-100=-82) So you have to be able to multiply 3x - b and 3x + b to get -82. I believe the answer is (2).10

Answer Link

Otras preguntas

Val's whole-house central air conditioner uses 3,000 watts when running. Val runs the AC 8 hours per summer day. Electricity costs (18 cents)/(1 kilowatt-hour).

A chocolate chip recipe that produces 30 cookies calls for 2 1/4 cups of flour. If the math club decides to make fifteen dozen cookies for a bake sale, how many

6. Find the distance between points A = (2, 0) and B = (0, 9). Round your answer to the nearest tenth.

Use triangles ABC and RST to answers the following questions. Is triangle ABC a right triangle? Explain your answer.

Pls help. !!!!!!!!!!!!!!!!!! (Give steps if you can)

I need to make sure I do this right

how much is 10 cents +6 dimes + 5 cents equal? is it equal to a dollar?

What percentage of the 22,215 auto fatalities in 2019 were vehicle passengers not wearing seat belts?.

Nadine had 20 minutes to do a three-problem quiz. She spent 10 7/10 minutes on question A and 6 2/5 minutes on question B. How much time did she have left for q

Line l and line m intersect.Prove: ∡1 ≅ ∡3