08/19/21

Problem 4: Find the point (𝑥, 𝑦) on the line 𝑦 = √𝑥 that is closest to the point (3,0).
(Hint: Minimizing the square of the distance is the same as minimizing the distance itself.)
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08/19/21

Represent real world problems
If one store is selling 3/4 of a Bruegel of apples for $9 and another store is selling 2/3 of a bushel of apples for $9 which store has the better deal? Explain your answer
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08/19/21

equations and derivatives
A street light is at the top of a 18 ft tall pole. A woman 6 ft tall walks away from the pole with a speed of 5 ft/sec along a straight path. How fast is the tip of her shadow moving when she is 30... more
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08/18/21

Give the slope and the​ y-intercept of the line with the given equation. ​ Then, graph the linear equation.
y = 3x + 5. What is the slope? Select the correct answer choice below and fill in any answer choices within your choice.A. The slope is (Simplify your answer)B. The slope is undefined.
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08/18/21

Hi, there please help me and thank you in advance. Also, please show the steps as well
1)If f(x)= 4x-8 and g(x)=-x2+6x-8f(x)• g(x)2. f(x)=2x3-5x2g(x)=2x-1Find (f•g)(x)
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08/18/21

Find the probability of each event.
There are 4 red marbles, 2 black marbles, and 2 green marbles in a box.P (red) =P (red or black) =
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08/18/21

Problem Solving.
Of 32 apples 1/4 is red. How many apples are NOT red?
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08/18/21

Solve the equation 7z/z+7 = 7+3i , z is an element of C
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08/18/21

an ambulance leaves at 8:36 for a patient who lives 23 kilometers away from the hospital. it travels at a speed of 90km/h. At what time will it return with the patient
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08/18/21

skier problem for math
A skier is trying to decide whether or not to buy a season ski pass. A daily pass costs ​$72. A season ski pass costs ​$350. The skier would have to rent skis with either pass for ​$30 per day. How... more
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08/18/21

A model Rocketlaunched with an initial upward velocity of 201 ft/s. The rockets height h(in feet) after t seconds is given by the following. h=201t-16t^2. Find all values of t for rocket height of 93.
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08/18/21

answer the question in planning her retirement liza deposits some money at 2.5 interest with twice as much deposited at 4.5% if the total annual income at $2070
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08/17/21

Expressions and equations

Twelve less then half a number is sic
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08/17/21

Given that c is a prime number, rationalise the denominator of 3c-√c / √c. Simplify the answer.
Given that c is a prime number, rationalise the denominator of 3c-√c / √c. Simplify the answer.
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08/17/21

Make x the subject of y = √2x+1/x-1
Make x the subject of y = √2x+1/x-1
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08/17/21

Is a rational number an integer? Why or why not?

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08/17/21

Triangle ABC is similar to triangle DEF with a ratio of 3/5 If the difference of their perimeters is 40 inches, find the perimeter of each triangle.

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08/16/21

The proper angle for a ladder is about 75 degrees from the ground. Suppose you have a 9 foot ladder. How far from the house should you place the base of the ladder? Round to the hundredths.
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08/16/21

What is the quotient of 16 and 2 by 2
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08/16/21

result, for Lucy, Miguel and Sam
Lucy, Sam and Miguel have $122 total in their wallets. Sam has fourth times what miguel has. Miguel has $8 less than Lucy. How much do they have in their wallets
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08/16/21

Fraction problem

There are 25 students in Roses’s Speech class. Rose has not yet been called on to give her required oral report, but 10 other students have given their reports. If 2 students are absent, what is... more
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08/16/21

Solve the system of equations by addition. −x+2y =−1 , 5x−10y =6
Solve the system of equations by addition. −x+2y =−1 , 5x−10y =6
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08/15/21

calcuating time and distance
Shannon is a lifeguard and spots a drowning child 30 meters along the shore and 40 meters from the shore to the child. Shannon runs along the shore for a while and then jumps into the water and... more
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08/15/21

Given that p is a prime number, rationalise the denominator of 7√p - p^2 / √p^3. Simplify the answer
Given that p is a prime number, rationalise the denominator of 7√p - p^2 / √p^3. Simplify the answer
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08/15/21

1. With replacement  2. Without replacement please help
1. Suppose that 9 good fuses and 4 defective ones have been mixed up. To find the defective fuses, we test them one-by-one, at random. What is the probability that we are lucky and find both... more
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