jay47374 jay47374

04-06-2019
Mathematics

contestada

Solve by extracting roots. Round your answers to two decimal places.

5a² - 85 = 2.2a² - 30

Respuesta :

Desmariesin Desmariesin

04-06-2019

Answer:

2.8a = 7.4

Step-by-step explanation:

5a² - 85 = 2.2a² - 30

+ 85 = + 85

5a² = 2.2a² +55

- 2.2a² = -2.2a²

2.8a² = 55

√2.8a² = √55

2.8a = 7.4

Answer Link

Otras preguntas

I really NEED help! Question 1- Super Sally works every day in the school office and earns $57 per day. Lazy Petunia shows up to work fewer than half as many d

PLEASE HELP!!!!! Which of the following is one of the standard forms of a hyperbola centered at (h,k)?

Choose the correct answer Vrai (True) or Faux (False) Son frère aime la nourriture chinoise.

Find the 52nd term. -4, -1, 2, 5, ... a52=46 a52=47 a52=149 a52=44

The distance between two stars is 9.0 x 10 to the power of -3 light years. A light year is equal to 5.88 x 10 to the power of 12 miles. What is the distance, in

A company knows that unit cost C and unit revenue R from the production and sale of x units are related by C=R^2/100,000 + 3064. Find the rate of change of reve

what's hydrotropism?

Conflict diamonds are diamonds that are mined to help pay for A schools B. food C. Wars D. dams

Fred is making a fruit salad. The ratio of cups of peaches to cups of cherries is 2 to 3. How many cups of peaches will Fred need to make 60 cups of fruit salad

33. sayfa yaparmısınız