the length of a rectangular envelope is 2 1/2 times its width. A plastic band surrounds the front and back of the envelope to secure it. the plastic band is 39 3/8 inches long. find the...
the length of a rectangular envelope is 2 1/2 times its width. A plastic band surrounds the front and back of the envelope to secure it. the plastic band is 39 3/8 inches long. find the...
A quilt consists of 12 identical squares with 4 rows of 3 squares each. Each square is to have a regular octagon inscribed in a circle. Each side of the octagon is to be 8 in long. Find...
use only trig identities, and also show the steps
I need your help now please please!!!!!!!
I am trying to understand this calculus problem but I am stuck. Please help me.
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My weakness is worded questions :(
1) 25.2 kg of a solution containing 20.2 % KCl by mass Express your answer using three significant figures and in units of Kg. 2) 42 mg of a solution containing 13 % KCl by...
I buy a packet of sugar and a packet of rice. The rice is 2 1/2 times as heavy as the sugar. Sugar cost $1.10 a kilogram and rice costs $1.25 a kilogram. I pay the shopkeeper with a $10 and get back...
I need four statements and reasons.
Find y if 2x+4y=2 and 4x+y=18
Write the equation of the parabola in vertex form. vertex (2,2), point (3,-3)
Write a balanced chemical equation for the reaction between calcium hydroxide and hydrobromic acid.
roigfivubweliufvbELIfcbvLAIefcybvOUYfvOU
Can i please get help on how to solve this equation? (7csc(x)+7)(7csc(x)-7)
If a 205 mL bottle of distilled vinegar contains 26.6 mL of acetic acid, what is the volume percent (v/v) of the solution? Express your answer to three significant figures.
1) 23.3 mg KNO3 in 1.01 g H2O 2) 9.46 g C2H6O in 78.1 g H2O
A women decides to give money to each of her daughters on their birthdays. Helen is to receive $3000 more than diana. Mary is to have 4 times as much as Diana. a) If Diana receives...
Express your answer to four significant figures.