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 ( 53+ )
Otras preguntas
What is the fraction equivalent with the lowest common denominator of 5/6 and 3/4?
6 +(-9) how do u solve this
Describe the transformation f(x) = √x + 1 − 5 in words. The parent function f(x) = √x has been shifted 1 unit and 5 units.
Find the surface area of a sphere with a volume of 36π in3. SHOW WORK will give medals and mark brainliestits 113.10 inches squared
What type of policy covers unusual hazards typically not covered under ordinary accident and health insurance?
Aqueous sulfuric acid h2so4 will react with solid sodium hydroxide naoh to produce aqueous sodium sulfate na2so4 and liquid water h2o . suppose 89.3 g of sulfur
Hi. What is the meaning of fluency?
The sea breeze effect happens because: a. there’s nothing to block wind on the open ocean b. the land heats up faster than the ocean c. the ocean cools faster
Benzene and its derivatives undergo a type of substitution reaction in which a hydrogen atom is replaced by a substituent, but the stable aromatic benzene ring
The width of a rectangle is 8 units less than the length. If the area is 153 square units, then find the dimensions of the rectangle.
