katyagrig7 katyagrig7

13-12-2020
Mathematics

contestada

if a²-b²=21 and a²+b²=29, which of the following could be the value of ab?
1. -10
2. 5√2
3. 10

Respuesta :

Аноним Аноним

13-12-2020

Answer:

ab = 10 or -10

Step-by-step explanation:

........

.

Ver imagen Аноним

Answer Link

Otras preguntas

You remember the french word for eyeglasses, "lunettes" (pronounced loo net), by imagining yourself using eyeglasses to look across a lake at a loon. This mnemo

A polygon is broken up into 4 non-overlapping triangles by drawing lines from one vertex to all other non-adjacent vertices. what is the name of the polygon?oct

When filing your tax return, what is the maximum amount you can deduct for a capital loss?.

John and henry are both workers at a retail store. their direct supervisor has told them to maintain quick service above all else. later, their customer relatio

EEF has vertices D(1, 3), E(2, -4), and F(-3, 1). What are the vertices T<4, 1> (DEF).

i need help with this ;n;

If the exchange rate rises, then the quantity of dollars demanded ________ because with the higher u. S. Exchange rate, u. S. Exports ________.

Which of the following is NOT an example of a colligative property? Group of answer choices A. Salt is added to ice to make homemade ice cream. B. Salt is added

Which of these is an example of a natural monopoly? electricity service grocery delivery retail store security driveway concrete repair

What is a reason for the bystander effect where people assume others will help in a situation?.