10/19/23

Show that the equation sin(x)-3x+2=0 has exactly one real root.
Show that the equation sin(x)-3x+2=0 has exactly one real root.A) Let f(x)= sin(x)-3x+2f(0)=____ (</>) 0f(pi/2)=_____ (</>)0B) fill in the blanksSince sin x, 3x and 2 are continuous on... more
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10/19/23

Question in Calculus
A street light is at the top of a 12 foot tall pole. A 6 foot tall woman 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... more
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10/19/23

What is the acceleration of the block down the incline if the angle of the incline is 26 ◦ ? Answer in units of m/
What is the acceleration of the block down the incline if the angle of the incline is 26 ◦ ? Answer in units of m/
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10/18/23

magnitude of static friction force on brick-need help!
A 1.90 kg brick is placed on a ramp with a 32.0' slope. The coefficient of static friction is 0.72. What is the magnitude of the static friction force acting on the brick?
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10/18/23

Classify each substance based on the intermolecular forces present in that substance.
Hydrogen bonding, dipole–dipole, and dispersion Dipole–dipole and dispersion only. Dispersion only HF CO He CH3Cl
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10/17/23

Trigonometric Values - Negative, Larger Numbers
Here's the question- I think from my previous question I got the smaller negative values figured out, but ones with more digits are still confusing me still. Keep in mind, I just selected one; I... more
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10/17/23

Find b and c so that y=-18x^2+bx+c

It has a vertex (-1,-2)
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10/17/23

Trigonometric Functions - Negative Values
How do I solve for trigonometric functions where, instead of cos(49) or sin(68), just for example, the number is negative instead? Ex. cos(-49), sin(-68)
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10/17/23

PHYSICS BLOCK, FRICTION, NET FORCE
Three blocks are lined up next to each other on a level frictionless table. From left to right, call them blocks A, B, and C. The blocks have masses, from left to right, of 2.0 kg, 4.0 kg, and... more
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10/17/23

Horizontal Circle
A 2.7×10^3 kg satellite orbits the Earth at a distance of 1.8x10^7 m from the Earths center. The satellite experiences a force of 3500 N from the Earth. What is the period of the satellite?
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10/16/23

To the nearest tenth, find the volume of a regular hexagonal pyramid with base edges 12 cm long and height 15 cm.
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10/16/23

Business Calculus

Given the cost function C(x)=1/4x^3-2x^2+6x+20, where x is hundreds of items produced and C(x) is thousands of dollars, find the following.a. The level of production which minimizes marginal costb.... more
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10/16/23

Use logarithmic differentiation to find dy/dx
e^2y=(sinx)^(lnx)
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10/16/23

PHYSIC RAMP QUESTION
A block is at the base of a ramp of angle 35 degrees. The ramp is 5m long and has a coefficients of static and kinetic friction of 0.6 and 0.2 respectively. If the block is initially given a... more
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10/15/23

Find the critical numbers of the function. (Enter your answers as a comma-separated list.)
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10/14/23

The radius of a right circular cylinder is increasing at the rate of 5 cm/s
The radius of a right circular cylinder is increasing at the rate of  but its total surface area remains constant at  At what rate is the height changing when the radius is ?
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10/14/23

Physics Question
A contestant in a winter games event pushes a 43.0 kg block of ice across a frozen lake with a rope over his shoulder at a 25 degree angle. (Enter the magnitudes. Assume that friction... more
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10/14/23

Physics Block Tension 4 part problem. Please help!

Two blocks with masses M1 and M2 hang one under the other. For this problem, take the positive direction to be upward, and use g for the magnitude of the free-fall acceleration.(For Parts A and B... more
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10/14/23

Physics Friction Force problem
A 5000 kg truck is parked on a 7.0∘ slope. How big is the friction force on the truck?
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10/14/23

Physics HW Question-Acceleration and Force with a truck
A 2000 kg truck has put its front bumper against the rear bumper of a 2500 kg SUV to give it a push. With the engine at full power and good tires on good pavement, the maximum forward force on the... more
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10/14/23

Pre-Calculus Test Review problem

Norman Window: A Norman window is a window that has the shape of a semi-circle on a rectangle. A Norman window is going to be built with the perimeter of 30 ft. The diameter of the circle is equal... more
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10/14/23

The roof of the tower in a castle is shaped like a cone. The height of the roof is 30 ft and the radius of the base is 15 ft. What is the area of the roof? Round your answer to the nearest tenth.
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10/13/23

Find the absolute maximum and absolute minimum values of f on the given interval.
Find the absolute maximum and absolute minimum values of f on the given interval.A) f(x)=2x^3-6x^2-18x+9, [-2,4]B) f(x)=(x^2-1)^3, [-1,2]C) f(t)= t(sqrt9-t^2), [-1,3]
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10/13/23

which function has a y-intercept at (0,3)
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10/13/23

combustion chemistry question
Caffeine, a molecule found in coffee, tea, and certain soft drinks, contains C, H, O, and N. Combustion of 10.0 g of caffeine produces 18.13 g of CO₂, 4.639 g of H₂O, and 2.885 g of N₂. Determine... more
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