Tamar552 Tamar552

27-05-2015
Mathematics

contestada

What are the solutions to the equation x2 + 6 = 87? A. –10 and 10 B. The equation has no solutions. C. –6 and 6 D. –9 and 9

Respuesta :

Panoyin Panoyin

27-05-2015

x² + 6 = 87
     - 6   - 6
   x² = 81
   x = +9
x = 9 U x = -9
The solution set is equal to D. {+9}.

Answer Link

Otras preguntas

Need help please thank you

The circumference of a circle is 7π m. What is the area, in square meters? Express your answer in terms of π

Prompt: describe how social categories roles and practices have changed since 1900

PLEASE HELP ME!!!!!!

A perch eats 50 minnows in one year. How much DDT accumulates in its body?

If 1/5 of the remaining blueberries is used to make muffins how many pounds of blueberries are left in the container

The average female voice emits a sound with a wavelength of 0.85 m. Given the speed of sound in air at 340 m/s, what is the frequency:

Complete the sentence below with the correct form of the verbs in the brackets, either past simple or past perfect. 1. When their mum___(come) home last night,

Help me please hurry

Every store employee gets an additional 10% off the already discounted price. If an employee buys an item with an original price of $40, how much is the discoun