barbie313
barbie313
02-05-2018
Mathematics
contestada
Hey guys help my please !!Q 4,6,7
Respuesta :
kayeecheng2102p3s8sa
kayeecheng2102p3s8sa
02-05-2018
q4, 4y²=60
y=√15 ( i am not sure)
q6, (5+y) ²=81
5+y=9
y=4
q7 (x+4) (x) =77
x²+4x-77=0
(x+11) (x-7) =0
x=-11(rej) or x=7
therefore ,length= 7+4=11cm
breadth=7cm
Answer Link
VER TODAS LAS RESPUESTAS ( 96+ )
Otras preguntas
What is 2x times x? I keep forgetting. Please help
Write the word sentence as an equation the sum of a number b and 8 is 17
The First Crusade:______.a. further strengthened Byzantine commerce and trade in the east. b. disrupted the trade routes between Byzantium and western Europe. c
Due to earlier diagnosis and treatment, chronic health conditions, such as hearing impairments and anemia, are now _____ less frequent in middle childhood compa
A certain lottery has 38 numbers. In how many different ways can 4 of the numbers be selected? (Assume that order of selection is not important.)
1. Javier has to read a 244-page novel. He has already read the first 175 pages. How many more pages does he still need to read? – 2. Larissa earns $7 an hour.
How many moles of aluminum hydroxide are needed to react with 25 grams of sulfuric acid?
A doctor's office needs to order a carpet for the waiting room. The room measures 30 feet by 25 feet. How many square feet of carpet is in need of the room?
For the accounts listed below, indicate if the normal balance of the account is a debit or credit. Accounts Normal Balance 1. Service Revenue 2. Rent Expense 3.
Tyrel is learning about a certain kind of metal used to make satellites. He learns that infrared light is absorbed by the metal, X-ray light is transmitted thro
