08/23/22

Math question about age
Steve is older than Ruth. The sum of their ages is 53. The difference between their ages is 9. How old is Steve?
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08/23/22

Geometry HELP ME
A city planner designs a park that is a quadrilateral with vertices at J(-3, 1), K(3, 3), L (5, -1), andM (-3, -1). There is an entrance to the park at the midpoint of each side of the park. A... more
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08/23/22

Need help with a gym math problem..
A gym charges a fee to join plus a monthly fee. Joining plus three months costs $160. Joining plus five months costs $200. Write a system of equations that describes the given situation. Use j for... more
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08/23/22

In a class in which the final course grade depends entirely on the average of four equally weighted 100-point tests, Erica has scored 94, 88, and 79 on the first three.

What range of scores on the fourth test will give Erica a B for the semester (an average between and , inclusive)? Assume that all test scores have a non-negative value. Express your answer in... more
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08/23/22

f is negative over the intervals (–∞, –3) and (7, ∞) positive over the interval ( "-3,7)," and the maximum value is 4 graph the absolute value function and equation
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08/23/22

Perform the indicated operations and write the result in the form a+bi
(3-2i)+(4+3i)
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08/23/22

Discuss the difference between a rational and radical exponent
Discuss the difference between a rational and radical exponent
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08/23/22

A movie theater is attracting customers with searchlights. One circular searchlight has a radius of 2 feet. What is the searchlight's circumference?
I need to know the circumference of the searchlight.
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08/23/22

The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 50 ounces and a standard deviation of 3 ounces.
The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 50 ounces and a standard deviation of 3 ouncesb) What percentage of the... more
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08/23/22

Vector Distance
Find the distance from (-2,9,-12) to the x-axis. If you could explain how you get to your answer, I would greatly appreciate it!
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08/23/22

Vectors and Spheres
Find an equation of the largest sphere with center (8,10,4) that is contained completely in the first octant. If you can explain the steps that you took to solve this, it would help a lot.
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08/23/22

f(x) = √(x-6)/(x+1)
Find the domain
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08/23/22

How far along this route is Paul’s house from the theater?
Paul walks at a pace of 2kph to the theater and watches movie for 2 hours and 12 minutes. He rides back home,taking same route on a bus that travels at a rate of 30kph. The entire trip takes 7... more
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08/23/22

f(x) = √(x+1) - √x
Find the domain of the following
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08/22/22

If you start at -3 on a number line and move 4 units right where do you end up
-3 4 units right
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08/22/22

which has larger area: a rectangle that is 7 inches by 3/4 inch, or a square with side length of 2 1/2 inches?
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08/22/22

Solve 4a2−14a=−50 by completing the square. If there are multiple answers, list them separated by a comma (e.g. 1,2). If there is no real solution, enter ∅.
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08/22/22

Give the Indicated derivative: f'(e) where f(x)=tan^-1(lnx)

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08/22/22

A store buys 13 sweaters for $52 and sells them for $377. How much profit does the store make per sweater?
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08/22/22

Is there a term for people who live on the Island of Patmos?
Is there a term for people who live on the Island of Patmos?
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08/22/22

f(x) = 4 - √x+9
Find the domain and range of 4 negative of the square root of x plus 9
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08/22/22

GCSE Mathematics
A square of side 4 cm is enlarged by a scale factor 2.5. What is the area of the enlarged square?
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08/22/22

Why does definite integral have the operation subtraction? Does the definite integral always have to involve finding the area and if not, why?
For examplef' or f prime = [f(b) - f(a)] ÷ (b - a) = The integral from a to b and f'(x)dx or f prime dx Divided by (b - a)No area is being found. I hope there are better examples. I'm sorry
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08/22/22

Vectors - Sphere Problem
Find the equation of the sphere if one of its diameters has endpoints (0,10,3) and (2,14,9). I got (x - 1)^2 + (y - 12)^2 + (z - 6)^2 - (sqrt(56) / 2) = 0But this is not correct. If you could... more
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08/22/22

Explain why x - 3x^5 = 1/4, has at least two solutions within the interval [0,1]
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