10/26/21

A bacteria culture initially contains 200 cells and grows at a rate proportional to its size. After 5 hours the population has increased to 220.
(a) Find an expression for the number of bacteria after t hours. P(t)= (b) Find the number of bacteria after 9 hours. (c) Find the rate of growth after 9 hours. (d) When will the population... more
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10/25/21

systems of equations & inequalities
your family goes to a southern-style restaurant for dinner. there are 6 people in your family. some order the chicken dinner for$14 and some order the steak dinner for $17. if the total bill was... more
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10/25/21

Quadratic Relationship
If the vertex of a quadratic functions is on the x-axis, what must be true about the number of x-intercepts? How do you know?
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10/25/21

What is an equation of the line that passes through the point (-3,-7) and is parallel to the line 2x-3y=24
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10/25/21

Polynomial Real Zeroes
The polynomial of degree 4, P(x) has a root of multiplicity 2 at x=4 and roots of multiplicity 1 at x=0 and x=−3. It goes through the point (5,32).Find a formula for P(x).
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10/25/21

What is the equation of the line that passes through the point (2,0) and has a slope of 5/2​ ?
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10/25/21

If we start with q0 milligrams of a certain element, the amount q remaining after t years is given by the formula q = q0(2)−t/1300. Express t in terms of q and q0.
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10/25/21

Find the 100th term in the sequence an=−18/n.
Find the 100th term in the sequence an=−18/n.
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10/24/21

What is the linear speed of a point on the end of a 10-centimeter second hand given in meters/sec?
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10/24/21

Use long division to find the quotient and remainder. Write it in the form dividend = (divisor) (quotient) + remainder).

(6x4+x3−9x+13)÷(x2+8)(please help me I can't remember what to do if you are missing the x2)
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10/24/21

The lakeside trail is 2.1 km long. The forest trail makes 3/7 of the lakeside trail. What is the length of the forest trail?
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10/24/21

What is the rate of the rowing team in calm water and the rate of the current.
A rowing team rowing with the current traveled 48 km in 4 h. Rowing against the current, the team rowed 16 km in the same amount of time. Find the rate of the rowing team in calm water and the rate... more
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10/24/21

A motorboat traveling with the current went 70 mi in 5 h. Traveling against the current, it took 7 h to travel the same distance. Find the rate of the boat in calm water and the rate of the current.
A motorboat traveling with the current went 70 mi in 5 h. Traveling against the current, it took 7 h to travel the same distance. Find the rate of the boat in calm water and the rate of the current.
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10/24/21

Find the rate of the plane in calm air and the rate of the wind. (Round your answers to one decimal place.)
A jet plane flying with the wind went 910 mi in 2 h. Flying against the wind, the plane could only fly 700 mi in the same amount of time. Find the rate of the plane in calm air and the rate of the... more
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10/24/21

Flying with the wind, a plane flew 480 mi in 3 h. Against the wind, the plane required 4 h to fly the same distance. Find the rate of the plane in calm air and the rate of the wind.
Flying with the wind, a plane flew 480 mi in 3 h. Against the wind, the plane required 4 h to fly the same distance. Find the rate of the plane in calm air and the rate of the wind.
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10/24/21

the number that is twice as much as 5 more than the number a
turn into algebraic expression pls
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10/24/21

How do you solve this question?
Player 1 runs to first base at a speed of 20 ft/s while Player 2 runs from second base to third base at a speed of 15 ft/s. Let s be the distance between the two players. How fast is s changing... more
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10/23/21

solve the equation for all real solutions
15c^2-16c+3=-c^2
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10/23/21

use the information provided to write the vertex form equation of each parabola.
opens up or down, Vertex (-9,0), passes through (-8,-1)
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10/23/21

Given that 3-3i is a zero, factor the polynomial, f(x)=x^4-11x^3+24x^2+54x-432, completely. Use conjugate roots theorem is applicable.
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10/22/21

Suppose that the cost of drilling x feet for an oil well is C=f(x) dollars, If you've already drilled 550 feet, estimate the cost of drilling an additional foot if f′(550)=1800
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10/22/21

Find a polynomial function of degree 5 with -1 as a zero of multiplicity​ 3, 0 as a zero of multiplicity 1, ​and 1 as a zero of multiplicity 1.
Use 1 as the leading coefficient.
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10/22/21

For which value(s) of a does the curve y=x2+ax+2 have a horizontal tangent line at x=1 ? (without using differentiation rules)

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10/22/21

If tan (a) = √3, find tan(60°+a)
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10/22/21

What is an equation of the line that passes through the point (8,0) and is parallel to the line x-4y=20
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