11/25/20

power function problem (help is much appreciated!)
find the formula for the power function of the form P(x)=axb such that P(9)=20 and P(36)=10.
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11/24/20

What is the answer to this?
The surface area S of a sphere of radius r is given by: S=4πr2.                Solve for r in terms of S.
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11/24/20

I cannot figure this out.....
ava drove 210 miles in 3.5 hours.At the same rate how many miles will she drive in 6 hours?
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11/24/20

The square of a positive number is 6 less than 7 times the number. Find the number.
Can I get some help finding the answer.
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11/24/20

What is the regular price of the book
Calvin buys a book for 14.70, which is 30% discount off regular price. What is the regular price of the book.
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11/24/20

How do you simplify 1/1+cos + 1/1-cosx
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11/22/20

Find the particular solution for (D^2 + 3D + 2)y = sin e^x
find yc and yp
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11/09/20

HOW DO YOU DO THIS??
If 10,800 cm2 of material is available to make a box with a square base and an open top, find the largest possible volume (in cm3) of the box. ______ cm3
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11/09/20

How many seconds are in year
Can someone plz help me solve in the form of dimensional analysis
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11/06/20

The sum of the numbers is 2. The difference is 10. Find the numbers.
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11/05/20

What are the answers?
How many gallons each of 25​% alcohol and 10​% alcohol should be mixed to obtain 15 gal of 17​% ​alcohol? Gallons of Solution Percent ​(as a​ decimal) Gallons of Pure... more
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11/05/20

Amy worked six hours more than Simon. Antonio worked four times as many hours as Amy. Combined, they all worked 126 hours, how many hours did each of them work?
Amy worked six hours more than Simon. Antonio worked four times as many hours as Amy. Combined, they all worked 126 hours, how many hours did each of them work?
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11/05/20

CALCULUS CHECK MY ANSWER POLAR CURVES NEED HELP ASAP PLS!
What is distance around the graph of r = 3 sin θ ? (4 points)ANSWER CHOICES I CHOSE THIS 3π 9π 12π 72π
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11/04/20

solve the following Exact differential equation

Please solve the following Exact differential equation( y3sin2x) dx - ( 3y2 cos2x) dy = 0please write the solution with steps
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11/01/20

solve the following differential equation?

solve the following differential equation?x2 y' = y2 + x y - x2 and y (1) = 2Please answer with steps
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10/30/20

What is the solution?
A doctor's prescription calls for a daily intake containing 30 mg of vitamin C and 20mg of Vitamin D. Your pharmacy stocks two compounds that can be used: one contains 40% vitamin C and 30% vitamin... more
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10/19/20

Solve for the general solution of the differential equation ((2D-1)^2)y=0
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08/19/20

Someone Please help me. Please
A super large tank was initially filled with brine solution of 20 liters.  At some point, fresh water starts to flow in at a rate of 8 liters per minute, and the well mixed solution flows out at... more
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07/30/20

help with the math I'm stuck
soybean meal is 12% protein; cornmeal is 6% protein. how many pounds mixed together in order to make 240lb mixture that is 8% protein?
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07/24/20

How do I find the two equations I need to solve the problem?
You need 4 liters of a 15% saline solution. Mixture X is a 20% saline solution. Mixture Y is a 10% saline solution. How many liters of Mixture X and how many liters of Mixture Y do you need to make... more
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07/23/20

Hi! Please walk me through this question and give a correct solution. Thanks!
Given the circle (x-6)^2+(y+7)^2 =225. Determine the center, length of the radius, and exact circumference.
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07/16/20

How much chlorine will be in the fish tank when the tank is full?
You are setting up a new aquarium and have purchased a large fish tank can hold 160 liters of water. The tank is partially filled with 80 liters of tap water in which 200 milligrams of chlorine... more
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07/14/20

please help i am stuck!
Mary Jo spends $2,050 to buy stock in two companies. She pays $16 a share to one of the companies and $11 a share to the other. If she ends up with a total of 150 shares, how many shares did she... more
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07/14/20

A silversmith has two alloys, one containing 60% silver and the other 20% silver. How much of each should be melted and combined to obtain 600 grams of an alloy containing 48% silver?
A silversmith has two alloys, one containing 60% silver and the other 20% silver. How much of each should be melted and combined to obtain 600 grams of an alloy containing 48% silver? 20% silver... more
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07/13/20

Investment interest
Todd invests $3000 in two different accounts. The first account paid 9 %, the second account paid 12 % in interest. At the end of the first year he had earned $330 in interest. How much was in each... more
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