12/12/21

An object is kept in front of a convex mirror of focal length 30 cm. The image formed is one fourth of the object size. What is the distance of the image from the mirror?
Follows • 2
Expert Answers •1

12/11/21

Physics inverse square law question
If you receive 145.68 Sieverts (the biological effect of ionizing radiation) of nuclear radiation at a distance of 6 meters from a radioactive barrel, then you receive ____ Sieverts at a distance... more
Follows • 1
Expert Answers •1

12/11/21

Rationalize the denominator and simplify your result completely
a) 9/√3𝑥b. 2/3−√5
Follows • 2
Expert Answers •1

12/09/21

The following table shows the rate of water flow (in L/min) through a dam
The following table shows the rate of water flow (in L/min) through a dam. t (min) 1. 4. 7. 10. 13. 16. 19 V'(t) (L/min) 1. 2. 4. 3. 10. 1. 3 Approximate the total volume of water that... more
Follows • 1
Expert Answers •1

12/02/21

physics newtons laws

A 6.1-kg bowling ball and a 7.2-kg bowling ball rest on a rack. If the force of gravity pulling each bowling ball toward the other is 3.1 ✕ 10^−9 N, what is the separation between the balls?
Follows • 2
Expert Answers •1

12/02/21

Snowball melting
If a snowball melts so that its surface area decreases at a rate of 6 cm2/min, find the rate at which the diameter decreases when the diameter is 11 cm.
Follows • 2
Expert Answers •1

12/02/21

TRIG Question: Advanced Functions Grade 12

Rianne draws two points, one at (− 8 √3, 8) and the other at (4, 4√3). She then draws line segments from the origin to each point. Using radian measure for all angles, find the exact value for the... more
Follows • 1
Expert Answers •1

12/02/21

Need help with solving these 2 geometry questions.
1) Suppose you have a map with a scale of 1 cm = 20 km. You trace a country on the map onto a sheet of card stock, cut out the tracing, and weigh it. The tracing of the country weighs 6 grams. You... more
Follows • 1
Expert Answers •1

12/01/21

NEED ASAP!! let (-2,-5) be a point on the terminal side of angle θ. in standard position.
draw a coordinate system and sketch a picture of θ, plot ( -2, -5) on the terminal side of θ. then find exact values of tanθ and cscθ (the only triangle that can be used is one considered in... more
Follows • 1
Expert Answers •1

12/01/21

A man invests savings into two accounts-
A man invests his savings in two accounts, one paying 6 percent and the other paying 10 percent simple interest per year. He puts twice as much in the lower-yielding account because it is less... more
Follows • 1
Expert Answers •1

11/30/21

consider the functions f(x) and g(x), for which f(0)=6, g(0)=7, f'(0)=11, and g'(0)=-4. find h'(0) for the function h(x)=f(x)/g(x)
Follows • 2
Expert Answers •1

11/28/21

Evaluate the definite integral
∫(4-2x^-3)dx where 0 < A < 5∫(a=A, B=5)
Follows • 1
Expert Answers •1

11/27/21

Two isolated systems with different temperatures are connected via a long square Steel rod. The Steel rod conducts heat between the two systems at a rate of 12 cal/s.
Two isolated systems with different temperatures are connected via a long square Steel rod. The Steel rod conducts heat between the two systems at a rate of 12 cal/s. What will happen to the rate... more
Follows • 2
Expert Answers •1

11/26/21

Prove that cos^2 alpha+sin^2 alpha=1
Follows • 1
Expert Answers •2

11/23/21

Trigonometry functions
Find the six trigonometric functions of θ. P(1,1) P(4, -3)
Follows • 1
Expert Answers •1

11/22/21

Determine the number of molecules of Cr2O3 that form when 1.34 x 10^3 g of oxygen completely reacts according to the following equation: 4Cr(s) + 3O₂(g) → 2Cr₂O₃(s)
Follows • 1
Expert Answers •1

11/22/21

Trigonometry/Cal
A ship is headed due north at a constant 14 miles per hour. Because of the ocean current, the true course of the ship is 15°. If the currents are a constant 12 miles per hour, in what direction are... more
Follows • 1
Expert Answers •1

11/21/21

Boyles Law and Gay-Lussac's law
Using the symbols P, T, and k (where k represents a constant), write an equation to express the relationship between pressure and temperature in Kelvin. This mathematical relationship is known as... more
Follows • 1
Expert Answers •1

11/21/21

Physics average velocity
After 2hours the displacement of a caris 150km/hr north the initial displacement of the car is 0.what is the average velocity of the car?
Follows • 0
Expert Answers •1

11/21/21

cos y = sin 285⁰ 32¹ find y?
Follows • 1
Expert Answers •1

11/21/21

Approximating Areas
(A) Estimate the area under the graph of f(x) = 7/x from x = 1 to x = 7 using 6 approximating rectangles and right endpoints.Estimate = B) Repeat part (A) using left endpointsEstimate =
Follows • 1
Expert Answers •1

11/19/21

Newton's method

Use newton's method to find the fixed points of the function where f(x) =x, round three decimals.tan(x) on x= [pi/2, 3pi/2]
Follows • 0
Expert Answers •1

11/16/21

Starting with the following equation, BaCl₂(aq) + Na₃PO₄(aq) → Ba₃(PO₄)₂(s) + NaCl(aq) calculate the mass in grams of BaCl₂ that will be required to produce 41.5 grams of Ba₃(PO₄)₂.
Follows • 1
Expert Answers •1

11/16/21

Starting with the following equation, Fe₂O₃(s) + C(s) → Fe(l) + CO₂(g) calculate the mass in grams of Fe₂O₃ that will be required to produce 395 grams of Fe.
Follows • 1
Expert Answers •1

11/16/21

Finding molarity

What volume (L) of a 1.5M KOH solution’s needed to make 3.0 moles of KOH? Please show each step.
Follows • 1
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.