09/29/21

Interpretations of the Derivative
Calculate dV/dr=32 when r=2 Let V = 64 when r = 2. Estimate V when r = 2.1.
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05/30/21

NEED HELP ASAP PLEASE
Hydrogen peroxide is used as a cleaning agent in the treatment of cuts and abrasions for several reasons. It is an oxidizing agent that can directly kill many microorganisms; it decomposes upon... more
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09/18/19

How many 3/8 foot pieces of wood can you cut from a bored that is 1 7/8 feet long?
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08/15/19

A video store charges a one-time membership fee of $11.75 plus $1.50 per video rental. How many videos did Stewart rent if he spends $72.00?
is this correct:let x= the number of videos Stewart rent 11.75+1.50x=72-11.75 -11.75 1.50x=60.25 1.5 1.5 x=40.1667 or 40.2Stewart rented 40 videos.
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08/14/19

A rectangle has an area of 40 square units. The length is 6 units greater than the width. What are the dimensions of the rectangle?
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08/14/19

Boats and stream
A boat covers 12 km in 30 mintues in the direction of water . If the speed of boat in still water is 1/4 of the speed of boat in direction of water then find how much distance boat covers in 20... more
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08/14/19

Mathematics Question
A chemical spill in a home lab is moving at 20 gallons per minute. If the container holds 3,000 gallons, how long will it take to empty the container half way?
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06/19/19

How do I find the height when point A is 125m away from tower PQ and the angle of elevation of the top (P) of the tower from A is 71°?
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06/15/19

This question was on the slight side of confusing, I’ve tried my best to answer it but I feel as if I’ve done it wrong, help would be greatly appreciated!
A model multi-stage rocked it propelled upwards into the air. The first-stage fuel can us bake to propel the rocket upwards by 60cm, the second-stage fuel is able to propel the rocket upwards by... more
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06/13/19

Jackson collects sports cards he has six baseball cards three football cards four hockey cards and three basketball cards what fraction of his cards are hockey cards
Mtake sure you reduce the fraction to its simplest form
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06/11/19

Silver nitrate (AgNO3) is used to make several different silver halides used in photographic films. How many formula units of AgNO3 are there in 7.25 mol of AgNO3
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06/11/19

A light wave passing through a material has a frequency of 300 MHz and a wavelength of 0.15m. What is the index of refraction of the material?
This is Physics 1. Please show your work and explain, cause I'm confused. Thanks!
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06/10/19

The product of a number and 3 is the same as the sum of that number and six.
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