Recent activity by Sebastian Stigler

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What admixture is needed when placing concrete in areas of closely spaced and congested reinforcing steel to improve concrete flow without weakening the concrete mix? 1) Calcium chloride 2) Superplasticizer

asked Dec 14, 2024

1 answer 40.6k views

Which of the following equations can be written in the form y = kx? (A) y = 52 + 1 (B) y = 4 (C) 1 - 1 = y

answered Dec 8, 2024

1 answer 218k views

How do you this help please

answered Oct 17, 2024

2 answers 227k views

Fix any punctuation or capitalization errors below. Click "Submit Answer" if there are none. Some of Princess Leia's parakeets learned how to talk Others only knew how to whistle.

answered Aug 30, 2024

1 answer 97.1k views

If a photon with 4.903 x 10ˆ-20 J of energy is released from an atom, what type of electromagnetic radiation is emitted from the atom? a) Infrared b) Ultraviolet c) X-ray d) Microwave

answered Jul 25, 2024

1 answer 24.0k views

Is a constraint that has a positive slack value at the optimal solution always binding?

answered Jun 30, 2024

1 answer 154k views

What is the value of H₂ in the given equation H₂ = (M2-M)/(M1-M)? 1) 0.4 2) 0.5 3) 0.6 4) 0.7

asked Jun 12, 2024

1 answer 189k views

Calculate the mass of silver present in 100 cm^3 of 1 mol/dm^3 silver nitrate (AgNO3): a) 107 g b) 54 g c) 108 g d) 216 g

answered Jun 8, 2024

1 answer 160k views

Jeremy's bedroom has two doors leading into the hallway. His house has four doors leading to the outside. Using the doorways, in how many different ways can Jeremy leave his room and go outside?

asked May 24, 2024

1 answer 48.8k views

Let x(t)= (1+5sin(1πt))⋅2cos(4πt) . Find the Fourier series coefficients ak by inspection, do not integrate. Hint:use the Euler expansion for the sine and cosine to rewrite x(t) in the form of the Fourier

asked Apr 15, 2024

1 answer 224k views

Lung Squamous cell carcinoma usually occurs _____. What is this cancer associated with? Patients may present with hypercalcemia, Pancoast's syndrome, and hypertrophic pulmonary osteoarthropathy

answered Feb 16, 2024

1 answer 93.1k views

This is a flat bottomed Chinese ship with square sails A) Junk B) Sloop C) Brigantine D) Schooner

answered Feb 9, 2024

1 answer 232k views

When several secondary structures come together, tertiary structures are formed. In tertiary structures, in addition to hydrogen bonding, amino acid side chains of the various secondary structures start

asked Jan 21, 2024

1 answer 203k views

There are 28 students in a class. 18 are girls. Write a ratio comparing the number of boys in the class to the total number of students in the class. Group of answer choices A. 18 to 28 B. 10 to 28 C.

asked Jan 14, 2024

1 answer 69.1k views

Put the following equation in standard form and determine the quadratic, linear, and constant coefficients. -3x2 - 8 = 5x - 7

asked Nov 19, 2023

1 answer 67.9k views

Which organism is the most fit? Tall giraffe O Short giraffe O They are both of the same fitness O neither are a fit

asked Sep 20, 2023

1 answer 66.0k views

Jonathan is playing a game or a regular board that measures 50 centimeters long and 450 mm wide. which measurement is closest to the perimeter of the Jonathan's game board in meters?

answered Sep 7, 2023

1 answer 1.2k views

Find the value of x. Round measures to the nearest tenth (one decimal place).

asked Jul 10, 2023

1 answer 229k views

What does the thermometer and snowflake mean on the weather app?.

asked Jul 3, 2023

1 answer 106k views

Needed help knowing how to do this one

asked May 23, 2023

1 answer 109k views

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