Bài 1: Tính giá trị của biểu thức sau:
a)A = 4x – ( x +3)2 + ( x+3)(x-3) với x = - 2,4
b)B =...
Mathematics, 28.08.2021 14:00 kailahgranger
Bài 1: Tính giá trị của biểu thức sau:
a)A = 4x – ( x +3)2 + ( x+3)(x-3) với x = - 2,4
b)B = ( 3x +4)2 -10x – 9( x - 4)(4+x) với x = -0,1
c)C = ( x + 5)2 - 2 ( x – 6 )( x+ 6) + ( x+2)( x-4) với x = -1/2
Answers: 1
Mathematics, 21.06.2019 17:30, ricardodeleon152
As part of an annual fundraiser to raise money for diabetes research, diane joined a bikeathon. the track she biked on was 1,920 yards long. diane biked 38.5 laps. her sponsors agreed to donate an amount of money for each mile she biked. how many miles did she bike? first fill in the blanks on the left side using the ratios shown. then write your answer. given ratios: 5280ft / 1 mi , 1 mi /5280 ft , 1,920 yards / 1 lap , 1 lap / 1,920 yards , 3 ft / 1 yard , 1 yard / 3 ft. blanks: 38.5 laps / 1 yard x (blank) x (blank) x (blank) = (blank) miles i'm really confused on how to do this, and the explanations aren't exactly . if you could walk me through how to do this, it would be greatly appreciated.
Answers: 1
Mathematics, 21.06.2019 20:00, zgueyeu
The two cylinders are similar. if the ratio of their surface areas is 9/1.44 find the volume of each cylinder. round your answer to the nearest hundredth. a. small cylinder: 152.00 m3 large cylinder: 950.02 m3 b. small cylinder: 972.14 m3 large cylinder: 12,924.24 m3 c. small cylinder: 851.22 m3 large cylinder: 13,300.25 m3 d. small cylinder: 682.95 m3 large cylinder: 13,539.68 m3
Answers: 2
Mathematics, 21.06.2019 23:00, kayvontay4
The coordinate grid shows a pentagon. the pentagon is translated 3 units to the right and 5 units up to create a new pentagon. what is the rule for the location of the new pentagon?
Answers: 3
Mathematics, 21.06.2019 23:30, michaellangley
Consider the input and output values for f(x) = 2x - 3 and g(x) = 2x + 7. what is a reasonable explanation for different rules with different input values producing the same sequence?
Answers: 1
Mathematics, 19.02.2021 20:00
Mathematics, 19.02.2021 20:00
Mathematics, 19.02.2021 20:00
Mathematics, 19.02.2021 20:00
Mathematics, 19.02.2021 20:00