11/04/20

DaMontre is at basketball practice, where he takes 30 shots a minute. He also took an extra 70 shots before practice. If DaMontre took 1,870 shots, how long did he practice for?

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11/04/20

precal question

For the triangle shown, find the following. (Assume u = v = 25 and w = 30. Round your answers to one decimal place.)(a)     ∠BCD °(b)     ∠DCA °
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11/04/20

Quadratic Formula

Help Noah
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11/04/20

PLEASE HELP FAST!!!!!!!!!!
A food truck sells 100 hot dogs each day when it charges $2.00 per hot dog. For a $0.25 decrease in price, the food truck sells 25 more hot dogs.a.  How much should the food truck charge to... more
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11/04/20

Quadratic Functions
an arch is in the shape of a parabola. If the arch is 60M across at it's base and 20M high in the middle, how high would the arch be 10M from the middle?
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11/04/20

Is line AD parallel to line CE? Explain.
Is line AD parallel to line CE? Explain.Refer to image https://imgur.com/a/8ZXLMi7
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11/04/20

You are looking at ads for a new bicycle. Please Help Within 5 minutes
You are looking at ads for a new bicycle. The price you want to pay is $200 with an absolute deviation of at most $25. Write and solve an absolute value inequality that represents the price you... more
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11/03/20

how far apart are the 2 ships?
Two ships leave a harbor at the same time, traveling on courses that have an angle of 140 degrees between them. If the first ship travels at 22 miles per hour and the second ship travels at 28... more
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11/03/20

what is the height of the building?
A surveyor determines that the angle of elevation to the top of a building from a point on the ground is 28 degrees. He then moves back 54.4 feet and determines that the angle of elevation is 21.3... more
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11/03/20

How to find distance between A and B
To find the distance AB across a river, a distance BC=235 is laid off on one side of the river. It is found that B=115 degrees and C=27 degrees. Find AB.
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11/03/20

I keep getting this wrong please help

Complete this activity. Include all of your work in your final answer. Submit your solution. Given: f(x)=x^2+2x+1, find f(x+h)and simplify
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11/03/20

factor 2sin^2(x)- 5 sin(x)+3
I'm really bad with factorization. Can someone explain me the procedure for solving this type. And if so any general rule or advice that could help me understand overall any procedure of... more
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11/03/20

math Algerbra wordproblem
Eugene’s cell phone service contract requires him to pay $45.00 a month for basic service in addition to $0.15 for each text message. If Eugene’s bill was $687.00 last month, how many text messages... more
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11/03/20

Solve the system by Elimination

−3x2+y=−18x+29−3x2−y=18x−25
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11/03/20

calculus II exponential growth and decay
A population doubles every 27 years. Assuming exponential growth find the following:(a) The annual growth rate:(b) The continuous growth rate:
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11/03/20

Mrs.lim bought 3 bags for 100. Bag A cost 10 less than Bag B.Bag B cost 20 Less than Bag C. How much did Mrs. Lim pay for bag C.?
Mrs.lim bought 3 bags for 100. Bag A cost 10 less than Bag B.Bag B cost 20 Less than Bag C. How much did Mrs. Lim pay for bag C.?
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11/03/20

How do I solve this
Measure of angle N=32, measure of angle S=84, and measure of angle T= 64, Find the measure of each arc, and show workA) arc TNB) arc STC) arc... more
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11/02/20

confusing and i need help with this math
Images for 8.) MULTI-STEP PR 3 “10 LEM Although a football field appears to be flat, its surfaces actually shaped like a parabola so that rain runs off to both sides. The cross section of a field... more
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11/02/20

An oil refinery is located on the north bank of a straight river that is 2 km wide. (cont.in description)

A pipeline is to be constructed from the refinery to storage tanks located on the south bank of the river 7 km east of the refinery. The cost of laying pipe is $400,000/km over land to a point P on... more
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11/02/20

Are these two functions inverses of each other?
f(x)=4x+24 g(x)=1/4x+6
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11/02/20

Calculus II Exponential Growth and Decay
The half life of substance A is 19 years, and substance B decays at a rate of 30% each decade.(a) Find a formula for a function f(t) that gives the amount of substance A, in milligrams, left... more
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11/02/20

Calculus II Exponential Growth and Decay
Find the half-life (in hours) of a radioactive substance that is reduced by 40 percent in 30 hours.
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11/02/20

Find three consecutive odd integers such that the sum of the third and half of the first is 8.5
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11/01/20

Pretty sure I got the function R(x) = (2000(2)^x)(28-8x) right but not sure about going on with optimization.
A video game normally costs $28 on an online distribution platform, but is set to go on sale. At its normal price it sells 2000 copies per month. It is estimated that for every $8 the price is... more
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11/01/20

find the following inverse functions
f(x) = 1 - 1⁄x f-1y= f(f-1(x))
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