31 Answered Questions for the topic 11th Grade

05/19/21

An object moves in simple harmonic motion with period 6 minutes and amplitude 19m. At time t =0 minutes, its displacement d from rest is −19m, and initially it moves in a positive direction.

Give the equation modeling the displacement d as a function of time t .
Follows • 1
Expert Answers •1
11th Grade Plane Geometry

03/26/21

Two similar polygons have areas of 100 square inches and 81 square inches. If a side of the first is 5 in., find the corresponding side of the second polygon.

Follows • 1
Expert Answers •1

03/26/21

Find the side of a square whose area equals a triangle with an area of 28 square inches

Follows • 1
Expert Answers •1
11th Grade Chemistry

03/23/21

Calculate the normality of the HF solution.
10.0 mL of a HF solution was titrated with a 0.120 N solution of KOH; 29.6 mL of KOH were required to completely neutralize the HF.
Follows • 2
Expert Answers •1
11th Grade Chemistry

03/23/21

What is the pH of a 0.05 M solution of NaOH

Follows • 2
Expert Answers •1
11th Grade Chemistry

03/23/21

What is the balanced net ionic equation for: Zn(s) + HCl(aq) → ZnCl2(aq) + H2(g)

Follows • 2
Expert Answers •2
11th Grade Chemistry

03/23/21

What is the balanced net ionic equation for: HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l)

Follows • 2
Expert Answers •1
11th Grade Chemistry

03/10/21

For the reaction CO(g) + 2 H2(g) ⇌ CH3OH(g) at 700. K, equilibrium concentrations are [H2] = 0.072 M, [CO] = 0.020 M, and [CH3OH] = 0.030 M. Calculate K.

Follows • 2
Expert Answers •1
11th Grade Chemistry

02/25/21

Chemistry question I need help with, please show your work!

Determine the freezing point of a solution containing 50.0 g of sucrose dissolved in 750. g water; round to the nearest 0.01°C. (Kf for water is 1.86°C/m, and the molar mass of sucrose is 342.3... more
Follows • 2
Expert Answers •1
11th Grade Chemistry

02/25/21

Please show your work!
A chemist needs to prepare 2.50 L of 0.100 M ammonia. How much concentrated (14.8 M) ammonia does he need?
Follows • 2
Expert Answers •1
11th Grade Chemistry

02/25/21

Need help with this Chemistry question, please show your work!

Calculate the molarity of a solution prepared by dissolving 80.0 g hydrogen fluoride in water to make 500.0 mL of solution; the molar mass of HF is 20.01 g/mol
Follows • 1
Expert Answers •1

02/15/21

Solve for the required line and show your work

If FH = 10, GH = 6, GJ = 15, and JH is an exterior angle bisector, then find FG
Follows • 1
Expert Answers •1

02/15/21

Solve for the required line and show your work
If XZ = 6, YZ = 12, and XW = 3, then what does XY equal?
Follows • 1
Expert Answers •1

02/15/21

Solve for the required line and show your work

If DE || AB, CE = 6, BE = 3, and AC = 12, then what does AD equal?
Follows • 1
Expert Answers •1

02/03/21

Name the proportion transformation used to change each of the following:

2/3 = 8/12 into 5/3 = 20/12 a/b = c/d into a/c = b/d a/b = c/d into b/a = d/c
Follows • 1
Expert Answers •1

02/03/21

Use the fundamental property of proportions to show that 3/5 = 36/60

Please show your work!
Follows • 1
Expert Answers •1

02/03/21

Find the mean proportional of 3 and 12
Follows • 1
Expert Answers •2
11th Grade Chemistry

01/08/21

Need help with this Chemistry question! Show your work

Hydrogen and oxygen react with each other according to the equation 2H2(g) + O2(g) —> 2H2O(g) If 5.00 mol of O2 react with an unlimited amount of hydrogen, what amount (in moles) of h2o will be... more
Follows • 1
Expert Answers •1

01/08/21

Diagram the sentence: “If any man love the world, the love of the Father is not in him.”
Follows • 2
Expert Answers •2
11th Grade English Grammar

09/30/20

Do these sentences are parallelism? If not, what are the correct answers and WHY please?
Not only was she noisy and rude but also rather stupid. The Admiral was told he was either a liar or he was a fool. The car is not only economical but also feels good to drive.
Follows • 1
Expert Answers •1

05/10/20

Given sin of theta = -4/5, where 3*pi/2 is less than or equal to 0 is less than 2*pi, find the exact value for tan 2 theta
Follows • 1
Expert Answers •2

10/10/19

Hello. I have an APUSH question:
Could the American people have won their independence without George Washington and the small, professional Continental Army? Why have the myths of the militiamen and the part-time citizen-soldiers... more
Follows • 1
Expert Answers •1
11th Grade Math Algebra 1

09/11/19

How do you solve y−3x=13 for y in the easiest possible way?

Follows • 1
Expert Answers •2

03/07/18

There are two boxes, a large and a small box. the large box has 50 pencils. the small box has 6 less than 7 times the number in the small box.
how many are in the small box
Follows • 2
Expert Answers •1
11th Grade Geometry Mathematics

12/10/17

Show that the quadrilateral with vertices at (0, 0), (a, b), (a+ c, b+ d), and (c, d) is a parallelogram.
I cannot find this answer anywhere. I am in 11th grade Geometry.
Follows • 3
Expert Answers •2

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.