12/04/23
In planning her retirement, Liza deposits some money at 1.5% interest, with twice as much deposited at 5%. Find the amount deposited at each rate if the total annual interest income is $1380.
In planning her retirement, Liza deposits some money at 1.5% interest, with twice as much deposited at 5%. Find the amount deposited at each rate if the total annual interest income is $1380.
12/04/23
How many quarts of pure antifreeze must be added to 2 quarts of a 50% antifreeze solution to obtain a 60% antifreeze solution?
How many quarts of pure antifreeze must be added to 2 quarts of a 50% antifreeze solution to obtain a 60% antifreeze solution?
12/04/23
Jane took 15 min to drive her boat upstream to water-ski at her favorite spot. Coming back later in the day, at the same boat speed, took her 5 min. If the current in that part of the river is 8km
Jane took 15 min to drive her boat upstream to water-ski at her favorite spot. Coming back later in the day, at the same boat speed, took her 5 min. If the current in that part of the river is ...
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12/04/23
How many gallons of a 60% antifreeze solution must be mixed with 60 gallons of 20% antifreeze to get a mixture that is 50% antifreeze?
How many gallons of a 60% antifreeze solution must be mixed with 60 gallons of 20% antifreeze to get a mixture that is 50% antifreeze?
12/04/23
Evaluate the following. Please sketch the angle, and state which quadrant it lands in. You can use your unit circle to answer these.
Evaluate the following. Please sketch the angle, and state which quadrant it lands in. You can use your unit circle to answer these. cos(− π/6)sin (4π /3) sec(−3π) tan (−15π/4)csc (− 5π /3) cot (5π/6)
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12/04/23
Where do they meet?
Sue begins counting backwards from 1298 by 4's saying one number every 5 seconds. At the same time Jim begins counting forward from 171 by 3's, saying one number every 5 seconds. What number will...
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12/04/23
The hypotenuse of a right triangle is 65 inches long. One leg is 3 inches shorter than the other. Find the lengths of the legs of the triangle.
The hypotenuse of a right triangle is 65 inches long. One leg is 3 inches shorter than the other. Find the lengths of the legs of the triangle.Determine what quantities you are trying to find by...
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12/04/23
An unknown radioactive element decays into non-radioactive substances. In 880 days the radioactivity of a sample decreases by 36 percent.
(a) What is the half-life of the element? half-life: (days) (b) How long will it take for a sample of 100 mg to decay to 63 mg? time needed: (days)
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12/04/23
Unit Vector Question
Find the unit vector that has the same direction as the vector v. v=-24i-7j
What is the slope and y-intercept for this chart?
X Y-2. -5-1. -10. 31. 72. 11
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12/04/23
solve and create a word problem for 2 3/4 divided by 1/3
solve and create a word problem for 2 3/4 divided by 1/3
Find the area of the region bounded by the graphs of the given curves
y=x^3/2 and y=(x^2)/32
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12/03/23
The height that a baseball reaches when it is thrown can be modeled by the function h(t) = -16 (t - 1.5)^2 + 36
a. What happens to the ball between t = 0, and t = 1.5 seconds?b. Describe the transformation of h from the parent function f(t) = t^2.c. What is the maximum height of the baseball?d. How long does...
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12/03/23
How do I begin to graph this polynomial function?
Sketch the graph of the polynomial function. Make sure your graph shows all intercepts and exhibits the proper end behavior.P(x) = (2 − x)(x + 3)Sketch the graph of the polynomial function. Make...
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12/03/23
culinary math basics
Honey can be purchased in 2- kilogram containers for $14.42. How much would 12 ounces of honey cost?
12/03/23
Don't know how to solve
If a and b are positive numbers, find the maximum value of f(x)=x^a(7−x)^b on the interval 0≤x≤7
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12/03/23
How do I find equations of both tangent lines to the graph of the ellipse 𝑥^2/4+𝑦^2/9=1 that passes through the point (0,4)
The answer is y=4x/3 + 4 and y= -4x/3 + 4; but when I solve for the dy/dx I get the slope is = 0 so there is only one equation y=4; However when I graphed this and it is not tangent to the eclipse....
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12/03/23
Simple interest rate
The principal P is borrowed at a simple interest rate r for a period of time t. Find the simple interest owed for the use of the money. Assume 365 days in a year.P = $9000, r = 7.5%, t = 18...
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12/03/23
Calculus Question
A stone is thrown straight down from the edge of a roof, 1125 ft above the ground, at a speed of 5 ft/sec.A. Given that the acceleration due to gravity is -32 ft/sec2, how high is the...
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12/03/23
Calculus Question
A stone is dropped from the edge of a roof, and hits the ground with a velocity of −100 feet per second. Assume the acceleration due to gravity is -32 feet per second squared. How high (in feet) is...
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